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ASPHALT PAVING CO.
SILT PIT
APPLICATION FOR ~~~(/
USE PERMIT
IN
GARFIE LD COUNTY , CO LO.
JANUARY, 1984
PREPARED BY:
ASPHALT PAVING CO.
14 802 W. 44th AVE. \'.
~~~/ GOLDEN, CO 80403
(303 } 279-661 1
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PROJECT OVERVIEW
1-1802 W 4 4T H AVENUE
GOLDEN .COLO 80 4 0 1
279-6 611
Asphalt Paving Co. of Golden, Colorado proposes t he development of
a limited impact gravel mining operation on 9.69 acres of land
located a pproximately one-half mile southeast of Sil t , Col orado.
This proposed plan entails enlarging the size of the existing pond
in order to obtain the gravel resources while still ~a j..ntaining
the general character of the site and the neighborhood. s halt
Paving o. intends for this operation o e use only on a job-to-.
.,j_ob basi~ for jobs that they may procure in the area. Therefore,
a portabTe asphalt plant and/or a portable concrete plant may be
lo cated on the s ite from time to time.
As phal t Pa vi ng Co. pur c hased t hi s land in 198 1 an d feels tha t the
best use for it is a small scale gravel operation tha t will con-
tribute to a developing Garfield County.
This application is being submitted to the Garfield County
Commissioners in order to obtain a conditional use permit for
the proposed operation. In conforman c e with all a ppli cable rules
and regula t ion s , ba ckg round informa t ion on t he s ite an d the natu re
of the proposed operati on is pre s en t ed in t he f ollow i ng ap pli cation.
This application has been prepared by:
Asphalt Paving Co.
14802 W. 44th Ave.
Golden, CO 80403
(303) 279-6611
JK:nb
Sin c erely,
ASPH A: T P~V I/~~;o.
WI~ (~,/~ Ke 11 er
-Pro ject Ma na ge r
SPECIAL USE ?ERMIT
Date: _jan,Jary 10. i :s4
;\ppl icant: -8220al t Pavin<J r,o.
i\Jdress of ,\ppl icant: l·kC2 1.~. 4Hh ,;ve. Go 1.Jen, ,:o 80403
Special Use: Ooen pit sa"d & gravel mine/portable a_iQhalt plant/gortable ready-mjxed
concrete plqof
Legal Description: SE~ of the NE~ of Section 10; NE~.
Section 10; the Ej of the SW) of Section
Requ i remen ts :
l. Plans and specifications for proposed use.
~lW) and SI& of the SE\ of
10, T 6 S, R 92 W.
2. Letters of approval from utility companies, sewage and water. Road access and
other fnfonnation deemed necessary.
3. A vicinity map drawn to scale depicting the subject property, location and use of
buildings and structures on adjacent lots.
An impact statement on the proposed use (see 5.03.07 -5.03.09 of Zoning Regs.) 4.
5. A copy of Assessor's map showing property; and a listing of all adjoining property
owners and property owners within 200 feet of said property. Notice containing
information described under paragraph 5 shall be mailed to all owners of record of
these lots at least 5 days prior to the hearing by certified return receipt mail.
6. Notice including the name of the applicant, description of the subject lot, a
description of the proposed special use and the time and place for the hearing
shall be given in the newspaper of general circulation in that portion of the
County at least fifteen (15) days prior to such hearing time. Applicant shall
bear the cost of advertising.
7. A fee of $500.00 shall be charged for each application and shall be submitted with
the application.
T'1i5 Special IJ5e Demit is in •:Ot"pliance 't1ith Sections 5.0.J ~nd 9.03 of che r;.irfie1d
:oun>.y Zoni•1g lesoiution 1nd 1s ,:er .wpl icat;cin.
List of all property owners within 200
/
and
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Attach map showing al1 improvements (present and proposed) and all pertinent distances
and area. Show all improvements on your property and adjoining property within 200
feet of your boundary.
The above information is correct to the
Proof of Publication ---Mail Rectips Fee ------
Special l!se Granted
S9ecial Use Deni-::d ----
j' ' .
,' i ,~ )
Reason for Den ia 1 ______________________ 1· _______ _
Board of County Commissioners
Garfield County, Colorado
Pt..J13 LI C :-;onc E
Ta ke ~o ti ce that Asphalt Paving Co.
(has) (h ave) app li ed to the Boa rd of Coun ty Commis sion ers , Ga rfield County,
S tate o f Co lorad o, to grant a Special Use Permit in connection with the
foll owing described property situated in the County of Garfield, State of
Colorado; to-~t: 1··
legal Description:
SE~ of the NE~ of Section 10; NE~, NW~ AND SW:i of the SE~ of Section 10; the E ~ of the
SW~ of Section 10, Townsh ip 6 South, Range 92 West, 6th P.M., Garfield County, Colorado.
Pr actiCa l Desc ription (loca t io n with r es pect to highwa y, County road s and
reside nc es ):
1/2 mile south of t he Town of Silt, Col orado a nd west of County Road 311 .
Sa id Special Use Permit is to allow the Petitioner(s)
~~~~~~~~~~~~-
To ope n pit mine for sand
and gr av e lj to operate a por t able a sp halt pla nttand a por t able concr et e pla nt .
on the above described property.
All pe r sons affec t ed by t he pr o po sed Spe c i al l'se Permit a r ~ i nvi t e d t o '.lppear
~nd st ~te ~he ir views , p r o t es t s o r object i ons . [f y o u cann o t dppea r pers onal l y
at such meeting , then you a re urg e d to state yo ur vi ews by l e tte r, parti c ularly
if you have -objections to such Special Use Permit. as th~Board of County
Commissionerli: will. give. consideration to. the couaents of surroun.diJl81 ·propertyr·'
owners and others affected in deciding whether to grant or deny the request for
special use. Tilis Special Use Permit application may be reviewed at the office
o f t he Planning Depa rtme nt l oca t e d a t 2014 Bla ke, Gl e nw ood Sp rings , Color a do
b e tween the hour s of 8 :00 A.M. a nd 5:00 P.~., Mon day thr o u gh Fri day .
Tilat public h earing on the application for the a bove Spec~p l Use Pe rra it has
be en s j 1 f ,c[,r~he (1 \ day of f:'p)o 1 , 19 84--', a t the ho ur
o f __ cj :J;ILD.iro a t th e of fic e o f the Boa rd o f Co unty Corrnnissione rs, in the
~~~~l enwood Sp rings, Co l o rado.
~~~M
Coun ty Planning Di r ector
Garfield County, Colorado
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EXHIBIT la
MINING PLAN
The land owned by Asphalt Paving Co. consists of two islands of alluvial
material located between branches of the Colorado River approximately
one-half mile south of the town of Silt, Colorado (Section 10, Township
6 So uth, Range 92 West, 6t h P.M., Gar field County, Colorado). The
proposed site includes approx imately ~12 acres of which only 9.69
acre s will be min ed.
Before mining begins, the overburden and topsoil will be stockp iled
a l ong the west ed ge of t he pit t o provide more barr i er between ou r
activity and the agricultura l activity and wildlife in the area .
Also, before mining begins, effluent water
~u a li ty will be c on struc t ed a t t he nor t hw estern corn er of th e pro per ty .
A pump will be installed t o discharge water into t he Colorado River
from the western side of the sediment pond. This site will be dewatered
during the life of the project. a NPDES permit ha s been obtained for
t hi s s ite (Permit No. C0 -003 8962).
This site will be mined for sand , gravel an d aggregate products ex tending
over a five ye"&.r period. Mining will start at the western edge of the
indicat ed mining a rea as s hown on mining plan map (Exhibit A). A dragline
<
Ex hibit la, pg. 2
or large bac khoe will be used t o excavate t he material a nd stockpile it
at a point also wi t hin the 9 .69 a cres. Portable c ru s hers, a portable
be set up as needed
within t he boundaries of t he indi cated 9 .69 acr es
The intermittent stream whi ch flows from east to west across t he property
will continue to run and irr iga te t he property as it will co ntinue to be
used for agricultural purposes.
It is As phalt Paving Co. 's i ntention
undis t urbed setbacks from t he river Therefore, a Corps of Engineers
404 permit will no t be req uired . However , t h~y will be not ifi ed of ou r
in tent ion s .
This mining plan was designed with the purpose of disturbing as little of
the ex i st ing neighborhood and env ironment as po ss ibl e .
It is and will remain a primary objective of Asphalt Paving Co. to keep
their operations as aesthetically appealing as pos si ble.
It s ho uld be re-empha sized at t hi s po int t hat As phalt Paving Co . i ntend s
to use t hi s operation only on a job-t o-j ob basis fo r jo bs t hat t hey may
pro cur e in the area.
EXHIBIT lb
5.03.07 RECLAMATION PLAN
After mining is completed, a combination of scrapers, frontend loaders,
motor graders, and/or a dragline will be used to redistribute the
stockpiled overburden and topsoil around the shores of the lake. Where
feasible, aesthetically attractive undulations in the shoreline of the
lake will be created with reject material and surplus overburden to
enhance its appearance and increase the suitability of the site for
wildlife habitat. Shoreline banks will be constructed to be a minimum
slope of 3:1 to ten feet below water level and 2:1 from that point to
the bottom of the lake. Topsoil will be distributed over the lakeshores
to a depth of 6-12".
fhe postmining reclamation of this land will create an aesthetically
attractive lake between two branches of fast flowing river water; this
will create an area of stillwater wildlife habitat where none existed
previously in this stretch of the river (See Exhibit B; Map Pocket 2).
Surrounding land uses are similar to the proposed postmining land use
in that large areas of undeveloped land exist along surrounding river
banks, and commercial, industrial or residential development is extremely
limited in the areas immediately surrounding the site. In addition, the
major portion of the land wil 1 stil 1 be agrarian in nature.
Grading
Following mining, overburden and reject material will be used to re-
establish slopes around the perimeter of the site which will be 3:1 from
Exhibit lb, pg. 2
ground level to 10 feet below water level, and 2:1 from that
point to the bottom of the lake, except in areas where available
material is used to modify the shores for wildlife habitat, in
cooperation with the Colorado Divi s ion of Wildlife. For instance,
if enough insufficient material exists after completion, a 70-90
foot mudflat will be co nstructed .
Ba c kfilling and slope sta biliza tio n will be condu cted sequentially
as mining is completed. No probl ems with erosion are a nti ci pa ted
due to the moderate angle of the proposed slopes.
toxic mater i a l s ar e be i ng mined on the s i te , or wil l be created ---by processing activities on the site . There will be no open
exploratory holes or mine shafts c reated by this mining operation .
5.03 .07 la Wate r
The operator does not anti cipate that any of the propo s ed mining
or rec lamati on activities will ca use any di stur ban c e to t he pre-
vailing hydrolog ic ba l a nce . Furt her info r mation i s inc lu de d in
Ex hibit le, Water.
All ap pli ca bl e Federal and State wa ter l aws will be complied wi t h.
The operator has been issued a Na tiona l Po ll utant Di schar ge
El iminat i on System (NPD ES ) perm i t.
Exhibit l b, p..9..:_]_
5.03.07 l e WIL DLIFE
Although this general area of the Colorado River has been
designated as potentially important habitat for great blue
herons, bald eagles and waterfowl, the operator has designed
the mining plan so that it will have little or no affect at
all upon them.
Although the lardowned by Asphalt Paving Co. is not part of the
great blue heron rookery, some of the large cotton wood trees and
some of the marshy riparian habitat on the site are used by the
herons as a feeding and roosting area. Under the proposed mining
plan, none of the r i parian habitat will be affected and it is
' ant ic ipated t hat all of the co ttonwood trees pre sen t on t he s i t e
will remain. Additionally, the plan was intentionally designed
to stay away from the west edge of the island to afford a ma x imum
distance between any mining or production activity and the great
blue heron rookery.
Finally, it will be the operator's intent to create a 70-90 foot
mudflat providing enough insufficient material exists at reclamation
time.
The reclamation plan as proposed will provide a previously non-
existent stillwater wildlife habitat surrounded by the already
existing Colorado River riparian and free-flowing river habi tat ,
and will not enda ng er any potentially c riti cal habi tat .
Exhibit lb, pg. 4
Revegetation
Topsoil will be replaced on the site following mining using scrapers
and/or other earth n~ving equipment . The so il will be disced and drill-
seede d with the fo llowing seed mi xture:
Species
Streambank wheatgrass
Intermedi ate wheatgrass
Western wheatgrass
Russian wildrye
Yellow sweetclover
*PL S = Pu re Live See d
Lbs . , PLS/ Acre*
4.4
5.4
4.2
2.2
0.5
Cottonwood trees already existing on the periphery of the site will be
left in place and will be integrated into the final reclamation plan.
Natural vegetat ion s uc h as sa ltgra ss and willows will be allowed to invade
the site after recontouring and reseeding is completed.
Reclamation will oc cur so that it is completed wi thin a pp r oxi mat ely 12
mon t hs of t he ces s at io n of mining.
5.03.07 WATER
(la )
EXHIBIT l e
The configuration of the proposed mining area is shown on the maps
accompanying this application. The pit area created by mining will be
dewatered while t he operation is in progress . Water will be pumped
into the Colorado River from the west side of the pit. An NPDES permit
has been issued to allow t he operator to discharge into the Colorado
River.
No stockpiles will be plac ed in s uch a position that t hey mi ght cau s e
pollution to surface or ground water during or after the mining operation.
Ap pr ox ima te ly 5 ,000 ga l lons of water per day of operation will be required
for dust suppression in t he mining area and on the access roads.
·-., Water will be obtained through rights owned in the Burnett Ditch.
Also, all intensive activities (i.e., asphalt plant, concrete plant, etc.)
will be placed at elevations above the 100 year flood elevation of 5,426 .
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EXHIBIT 2
Utilities, Sewage and Water
There are no utility, water or s·ewage 1 ines present in the area to
be mined.
Portable San-a -let toilets and bottled drinking water will be pro vid ed
for emp loyees.
Power for the mining equipment and plant s ite will be provided by
eortable diesel generators initially, but hookups to public power
may be arranged at a later date.
Site Access
Access to the mine site will be via a haul road constructed to tie i
shown on the mining plan.
Truck t raffi c to and fr om t he s i te will go primar i ly north to con nections
with Interstate 70 .
EXHIBIT 3
Vicinity Map
-.;_
' :
!75 ;_ '. :: '"
MAF> I" 2000'
EXHIB IT 4
5.0 3.07 INDUSTRIAL OPERATIONS IMPA CT STATEMENT
(1) (a)Water Quality Impact
5.03.07
(2)
The proposed Asphalt Paving Co. pit is located on t wo i s lands of gravel
between branches of the Colorado River. The water table at this site,
based on exploratory testi ng, is approximately 8-12 feet in dept h. No
disturbance to the prevailin g hydrologic balance i s anticipated.
Water quality on the s ite will be carefully controlled to comp ly wi t h
all applicable Federal, State and County regulations.
An NPDES pe nnit has been is sued (#C0-0038962),
Vehicle Travel Routes
Traffic generated by the proposed plant site will enter and leave t he site
via a haul road which will tie into County Road 311.
The haul road will be constructed by Asphalt Paving Co. to be a two lane
asphalt paved entrance of appropriate gra e with exiting traffic regulated
orth and south approaches to the haul road
from the County road will be regulated with all appropriate directional
and warning signs.
\
( 3)
Exhibit 4, pg. 3
Air Quality
This operation will comply with all applicable Federal, State and
County air quality laws, regulations and standards. The portable
asphalt plant is currently permitted by the Colorado State Health
Department (Permit #C-12, 733). In addition, spray bars will be
utilized to suppress dust at dust-producing points in the crushing
operation.
(4) Emission of heat, glare, radiation, and fumes.
There will be no noxious emissions of heat, glare, radiation or
fumes from this operation. Lighting wi·ll be directed downward and
screened if necessary.
(5) Miscellaneous storage areas
(a) All fuel or other flammable or explosive gases or solids will be
stored in accordance with the National Fire Code, and all other applicable
laws and standards.
(b) (Discretion of County Conmissioners)
(c) There will be no uncontrolled storage or disposal of materials or
wastes.
(d) Any materials which may constitute a fire hazard will be stored
according to State Board of Health regulations. There will be no storage
of rodent-attracting materials.
(6) Water Pollution
A National Pollution Discharge Elminination System (NPDES) permit has been
issued for this operation (Pennit #CD-0038962).
EXHIBIT 5
Assessor's Map and Adjoining Property Owners
An assessor's map showing the locations of surrounding property
is not able to be obtained due to the construction of the Garfield
County Courthouse building. The map, however, is similar to the
one submitted with the original application for this property in
December, 1981
The following page lists all adjoining property owners of record
within 200 feet of the subject property.
Exhibit 5, pg. 2
NAMES AND ADDRESSES OF SURROUNDING PROPERTY OWNERS
Assessor No.
2179-104-00-177
-113-00-177
2179-113-00-112
2179-102-00-004
2179-104-00-230
2179-104-00-176
(2179-113-00-176)
2179-104-00-229
2179-102-00-001
2179-102-00-005
2179-112-00-094
2179-114-00-114
2179-104-00-110
2179-103-00-109
Landowner
Davis, Leonard A. & Marie M.
Davis, Danny J. & Kelley K.
6533 County Rd. 214
Newcastle, CO 81647
Garfield County
P.O. Box 640
Glenwood Springs, CO 81602
Keithley, Roy D. & Joyce (1/2 int)
Keithley, Earl Jr. & Ruth V. (1/2 int)
0878 Miller Lane
Rifle, CO 81650
Keller, Larry Joe
P.O. Box 956
Glenwood Springs, CO 81602
Lyons, Donald D. & Marjorie T.
P.O. Box 462
Silt, CO 81652
Throm, Donald R. & Susan Steiger
0361 County Rd. 311
Silt, CO 81652
Town of Silt
Silt, CO 81652
Valley Farms, Inc.
Box 248
Silt, CO 81650
Asphalt Paving Co.
14802 W. 44th Ave.
Golden, CO 80403
Sykes, R. Glen & Penny M.
0511 311 Rd.
Silt, CO 81652
EXHIBIT 6
For information purposes, the portable equipment that will be utilized
on the site is as follows:
Portable Asphalt Plant:
Stansteel Model 8x36 Drum Mix Plant w/ Model D-130 Venturi
Scrubber
Air Quality Permit #C-12,733
Portable Concrete Batching Plant:
Hagen Model HT 10300/658 w/ ES-1688 Silo Top Dust Collector
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(St,.ttonary Source)
MAIL ADDRESS •• ) ~.$.Q? .. rL .. M.th. AY.enul! •.. Golden •.. r:o .... 8.0il03 .......... rl.m LOCATION I.Z fi (l. Jl1.i. J.e .. Eas.t .. o.f .. Kee.nes.bl-tr.g ) ............ COllNI'T •. \:ii: J.d ....... .
PERSON TO CONTACT RE\ARDING TlllS INFORMATION ••• $.~?.Q.E; .• ~~9.~f.? ...................... TITL! •••• ~.~;f:;LflJP.tRr .................................. PllONP. .... ~?.~.-.9.~.1.i ............ .
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NormAl Opel'.1tion of Pl11nt*
110,,rs/D.'.ly Dnys/Week Weeks/Year
Se1.,on11l Throu hut 1. of Ann11Al)j•sreclfy -. --
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C. TL'EL INFORMATION Annual ConBumptlon t!entlng \';ilue Per Cent b,t Weight Sea5onnl U!.!..J..4 of Annu 8 J ''""2 sr.•rr • ··1
b'!sc:rtPtTOrlO!COmbustion Unit De11lgn Rate (106 BTU/Hr) Kind of Fuel Burned (Ton!, lOJr:.,'!.l,~l0 6scF) (lO"BTU/A~':'~~·SUitur(X.XX7.) Ash(XX.X7.) Oec-Feh Mar-11ay-~:;:;;gjs;r-t>o;; _\..!_~~'...-))
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-•o :::r ·----= -~ D. PROCESS INFORMATION R!w M:iterlals, Solvent!, Cleaning Agent111, Waste, etc. Anntu1l Consumption De~lgn Rat" Finished rroduct 5 111 rco 1.,,.) ~cscrlptlon o[ rr~c..!E.!~.!l__l[nvolved tn Procc•n ·1~y Unlt•) '(~r..£_c:l!y Untta/Hour Pl'oduc:t Name or Dcsc-rlptlnnjA~Ou~ sr-c
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E. POLLUTION CONTROL EQUIPMENT !Overall 1 Cost or Control~ment i(To be com£letcd by Air Pollution Control Dlvlslon)
Pollutant -.----Type of Control E ui ment Collection Inlti11l jA"""'' To<.I It;"'' Emgy Uo•d '"'"''";-.,;t;;;rt,; """""'tl.;'d E••=;f.Ailow.abT"eF.ml911[onsl[9t1,-,11 tlon >-----f-~~'~'~''~""'°'ry ~con<.! .. !!..':)'. ___ F.fflclenc: In5tall~tion gper11tln&..J:2.!! S e.£._U:t:...J1.nlt!._U_y_Re) -~!LY!At._ __ --~ns/Ye11r Tons/Ye11r ~letl'1od
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. . . . . . . . . . . .T \:!.~ :t;. Xi'.?.~ J. ts;.~. ;?.~ D .i.t.~ ~o .. ti.er.eY1 Hh .. en ux:te.sy.. of.. O l<.a J.u.s a. As.pha l .t ... fi / 22/ B 2. •.•...•••••••....•...•.••.•••••.•••.•.. _ ......................... ..
ISigneture of Person A _ A___-
Legally Authorlu:~d ~ -;.-')y---r COLORADO OEPARTMf.NT Of llF'.M ... TH
to Suprly Dnta' ......... .: ............... ·;.z··· .................................................... AIR roLLUTION CONTROL DIVISlOS Sh R t. t t.210 E:.,t 11th A.VC'""~
tryped Name 6 Title ......... gn~ .... Qg~.r.s . .:i .. J;~ ... ~ .. QT............................................... Ot>tlver, Colorado ao22n
(JOJ) J20·'ol80
(for APCD UH.) I o.,te o{ Reeord
~;z!Jnty 10 F'20:L1....r..l.a!!Ll.IL __!.hlllanl
UTM I Owner lrroce51 Cla55lf.
...k1 t.l!....liLIJS2.o.L ~ _ _sic_ 1---1..f.L_ l'TM Coordln11te1 COlor11do Afr Qu•llty Control Rc~ul•tlon9 I IS<>uf~"ll/
fil'.J\C' ! f_':!!'_r_ _r2_<!~ ~-TIO"i"fiOntal Vt>rtlcal
July 2, 1984
?/t#..?/#
Asphalt Paving Company
14802 West 44th Avenue
Golden CO 80403
Dear Sirs:
-
"(1) No person shall permit emission of air pollutants from, or construc-
tion or alteration of any facility, process, or activity except residen-
tial structures from which air pollutants are, or are to be, emitted un-
less and until an air pollutant emissions notice has been filed with the
Division with respect to such emission. A revised emissions notice shall
be filed whenever a significant change in emissions is anticipated or has
occurred. The commission shall exempt those sources or categories of
sources which it determines to be of minor significance from the require-
ment that an air pollutant emissions notice be filed,"
"(4) No person shall construct or substantially alter any building,
facility, structure, or installation, except single family residential
dwellings, or install any machine, equipment, or other device, or commence
the conduct of any combinations thereof, or commence operations of any of
the same which will or do constitute a new stationary source or a new in-
direct air pollution source without first obtaining or having a valid per-
mit therefor from the division, board, or commission, as the case may be;
except that no permit shall be required for new indirect air pollution
sources until regulations regarding permits for such sources have been
promulgated by the commission. The commission shall establish rules,
regulations, and procedures in accordance with the provisions of this
article for the granting or denial of permits which shall be in conformity
with the purposes of this article, as set forth in Section 25-7-102, but
in no event shall regulations governing indirect air pollution sources be
more stringent than those required for compliance with the federal act and
final rules and regulations adopted pursuant thereto. Such procedures
shall include, but not be limited to, the following: ... "
It has come to the attention of the Air Pollution Control Division that you
plan to operate a sand and gravel mine on 9.69 acres in Section 10, T6S, R92W,
Garfield County. A review of the Division's Permit files indicates that a
permit has never been issued for this operation.
222 South 6th Street, Room 232, Grand Junction CO 81501-2768 (303)248-7150
222 S, 6TH STREET, GRAND JUNCTION, COLORADO 81501 -PHONE (303) 248-7000
Asphalt Paving Com· •.y
July 2, 1984
Page 2
Should the mine operate without first obtaining a valid emission permit you
will be subject to enforcement action in accord with Section 25-7-121(1)
(court injunction) CRS, which reads in part as follows:
"In the event any person fails to comply with a final order of the board,
the division, or the commission that is not subject to stay pending admin-
istrative review, or in the event any person constructs, modifies, or com-
mences operation of any air pollution source in violation of Section
25-7-114(4), the board, the division, or the commission, as the case may
be, may request the district attorney for the district in which the alleg-
ed violation occurs or the attorney general to bring, and if so requested
it is his duty to bring, a suit for an injunction to prevent any further
or continued violation of such order or of Section 25-7-114(4)."
Also be advised that you are subject to civil penalties up to $25,000 ~~
as provided by Section 25-7-122(l)(b), CRS, which reads as follows:
"Any person who violates the requirements of Section 25-7-114(4) regarding
construction, modification, or commencement of operation of an air pollu-
tion source without such a permit shall be subject to a civil penalty of
not more than twenty-five thousand dollars per day for each day of opera-
tion after receipt of the notice of noncompliance or violation."
Finally, you are also subject to a $100.00 civil penalty, in addition to the
above cited penalty, as provided by Section 25-7-122(l)(c), CRS, which reads
as follows:
"Any person failing to comply with the provisions of Section 25-7-114(1)
shall be subject to a civil penalty of not more than one hundred dollars."
If you submit an APEN and permit application with all necessary information, a
preliminary analysis of proposed air pollution control measures will be made
to insure compliance with all applicable air quality control regulations and
standards. If no problems are found, an initial approved permit will be
issued allowing you to operate at that time.
YOUR OPERATION WITHOUT A PERMIT IS ILLEGAL. No operations will be conducted
until such time as an emission permit has been obtained or action may be taken
under the above cited Sections of Title 25, Article 7, CRS.
If you have a~v questions, please contact me.
SJM/zp
cc: Garfield County Sanitarian
Steve Frey, EPA
Denver Office
File
DEPARTMENT OF NATURAL RESOURCES
David H. Getches, Executive Director
MINED LAND RECLAMATION DIVISION
Richard D. Lamm
Governor
DATE:
TO:
DAVID C. SHELTON, Director
January 13, 1984
County Zoning
MEMORANDUM
FROM:
Garfield County Planning Department
James B. McArdle -Senior Reclamation Specialist~~
Pursuant to the requirement of the Colorado Mined Land Reclamation Act* to
inform counties and certain municipalities of Development and Extraction
Permit applications filed with this office, please know that
Aspbalt Pairing c0 , , has filed to conduct
~ar:id a~d. grt'el m1n1ng ~t Sec JD f6S, p921i1 of the fith p M •
Te app ican proposes to reclaim tne site or ,,,iJdiHe(agricnitirai •
The deadline for persons to file statements regarding this opera ion, or to
petition for a hearing before the Mined Land Reclamation Board to consider the
granting of a permit is set by law. For information, please call this office.
The applicant is obligated to show that the proposed mining and reclamation
plans are in conformance with local zoning ordinances, subdivision regulations
or master plan, and' is further required to place a copy of the application for
public inspection with the Clerk 'of the county in which the proposed mine is
situated. It is the Board's understanding that the Act intends for the
application to be made available for pu~lic review and comment in an area
close to the mine. It is not intended that it be made a part of public record
by recording.
The Board is tentatively scheduled to consider this application on
~at'1 a"¥ 2£-26 . , --l.9ll4...' Please return the enclosed form when
e enn na ion has been nfaae as to the operator's conformance or
non-conformance with the County's regulations.
We appreciate your cooperation in this matter.
please call.
If you have
G/\;iFIHJJ CO Pl.ANMLR
*Article 32 of Title 34, Colorado Revised Statutes, 1973, as amended.
Enclosure
(Rev. 9/83)
Doc. No. 5730
423 Centennial Building, 1313 Sherman Street Denver, Colorado 80203 Tel. (303) 866-3567
DEPARTMENT OF NATURAL RESOURCES
David H. Getches, Executive Director
MINED LAND RECLAMATION DIVISION
DAVID C. SHEL TON, Director
Richard Q_ Lamm
Governor
Name of Operator: Asphalt Payjng Co.
Address: 14802 West 44th Avenue
Golden, Colorado 80403
ifome of Proposed Mining Operation:
SILT PIT
Please mail tnis to:
James B. McArdle
Reclamation Specialist
Colorado Oivision of Mined Land
Rec 1 amat ion
1313 Shennan Street, Room 423
Denver, Colorado 80203
Legal Description: Sec. 10, T6S, R92W of the 6th P.M.
(of mining operation)
To The Colorado Mined Land Reclamation Board:
Tne aoove mining operation (check appropriate space or spaces)
l ) is
2) is not
3) will be
in confonnance 1vith local zoning ano la11d use laws. If Space 110. 3 is checked,
please state the date by which local approval is expected. ~~~~~~~~~~~
Title
(Rev. 9/83)
Doc. iio. :)730
423 Centennial Building, 1313 Sherman Street Denver, Colorado 80203 Tel. (303) 866-3567
Rlch1rd o. Lamm, Uovtrnor
DEPARTMENT OF NATURAL RE~ ."UR CE S
DIVISION OF WILDLa.-·E
.Jack R . Grieb, Director
6060 Broadway
Denve r, Colorado 80216 (825-1192)
711 Ind epe nd ent Avenue
Grand Jun cti on, CO 81505
Cynt hia M. Houben, Planner
Garfield Cou nty Planning
2014 Bl ake Avenue
Gl enwo od Springs , CO 8160 1
RE: Specia l Use Permit app li cation by
Aspha l t Paving Company to operate
a sa nd and grave l min e so uth of Sil t.
Dea r Ms. Hoube n :
February 6, 1984
Referen ce i s made to Michael Grode's l etter to Gar fi e ld County dated January 1 4,
1982 (co py e nc l osed ). As t he Co l orado Divi s i on of Wildlife s tated in that l etter,
th e Co l orado Riv er co r ridor near Silt is an im portant wildlife area. In the i m-
mediate vicinity of the proj ec t area i s th e l argest known grea t blu e heron rooke ry
on the Colorado Riv e r in Colorado, a bald ea gle co mmunal r oos t si t e, nu mero us ba ld
eag l e hun ting per c hes, and i s l and s used by Ca nada geese for nes ting a nd brood
rearing. A map showi ng the l oca tion of t he ro oke ry, a co mmun a l roost s ite, and
huntin g perc hes i s attached to the January 14, 1982 l etter.
We fee l th e propose d project will ca use disturb ances to wildljfe. It i s difficult
to pred i ct the mag nitude of t hese di sturb ances beca use of t he projec t's prox imity
to se ns itiv e wildlife resources. The reduc ed sca l e of t hi s propo sa l, ve r s us t he
proponent's 1982 plan, will res ult in disturbances of s horter durat ion an d destruc-
tio n of l ess wildlife hab i tats . As s uch, the l atest plan i s preferab l e . We are
co ncerned, howe ver, for th e c umulativ e im pacts of s ubj ect proposal along with ot her
operating grave l operations and perm itted but as y et un de ve lop ed operations i n the
area . (Not e th ere are a numb e r of pit s permitted but not operati ng i n Garfie ld
County at prese nt). Th e c umul ative res ul t is a grad ua l dwindling of wildlif e hab-
itats and in crease in di sturbances along the Co l orado River riparian cor ridor i n
Garf i e ld Co un ty . Thi s r e prese nt s probab l y th e most s igni fica nt ad verse imp ac t to
wildlife al ong t he river. At wha t point e nough deve lo pme nt i s e nough for wil d li fe ,
we cannot say at this time . How eve r, oftentimes a s ignifi ca nt ad ver se impact only
becomes appare nt once it ha s occ urred. Th en it may be too l ate to r ect i fy t he
damage. As a prereq ui s ite for t he Cou nty 's permit, we recomm e nd t hat a need for
th i s project at th i s tim e be establi s hed. This co uld prevent unn ecessary di stur -
bances t o wi l dli fe.
We are al so co ncer ned that the s ubj ec t pr opos al i s ju st a part of a pi ece mea l pl a n
th at wo uld eve ntually res ult in a proj ect sim ilar to the 1982 plan. The propon-
en t s make no ass urances th at this i s not their int en ti on. We d i d f ee l the 1 982
DEPARTMENT OF NATURAL RESOURCES, M o nte Pascoe, Executive Direc tor • WILDLIFE COMMI SSI ON, Donal d Fernand ez, C hairman
J ames Smi th, Vi ce Chairman • Richard Di ve lb i s s, Secret ary • J ea n K. Tool, M ember •J ames C. Kennedy, M e mber
Mich ae l H igbee, Member• Sam Caudi ll, Member • Wilbur Red den, M ember
Cynthia M. Houben, Planner
Page Two
February 6, 1984
plan would adversely effect wildlife and recommended project modifications. These
recommendations, again, are:
(1) Phase IV and V should not be mined. Both areas are composed primarily of
wetlands containing vegetation that provides important water quality functions,
acts as a vegetative screen, and encompasses essential wildlife habitat, es-
pecially for bald eagles, great blue herons, and Canadian geese. Mining in
these two areas would not only remove this vegetation and its function; but
could disrupt great blue heron nesting as well as bald eagle use of the area.
If phase IV and V are not mined they will retain normal riparian functions and
serve to buffer mining disturbance on the large island from the herons and
eag 1 es. (Phases IV and V were 1 ocated approximately west of the orange 1 i ne
on the attached 1982 map. No mining should occur to the west of this line).
(2) A 100' greenbelt should be left between the pit and the river and along both
the north and south wetland channel.
(3) The sediment pond should be located to the south of the north overflow channel
so that it can discharge into the channel rather than directly into the river.
(4) The pit shoreline and bottom should be irregular to enhance aquatic life forms.
Peninsulas are desirable since they create additional edge.
(5) Several islands with natural vegetation should be left to provide nesting
areasfor waterfowl and passerine birds.
(6) Cottonwood trees
the greenbe 1t).
basis.
should be retained around the perimeter of the pit (i.e.
Any cottonwood trees removed should be replaced on a l :1
(7) An area sloped at 5:1 and 150' in length should be left along the south-
western corner to create a mudflat for waterfowl and encourage growth of
aquatic emergents.
(8) Areas of intensive activity such as crusher, batch plant, etc., should
be located away from the river, -]tt'eferab·ly near the road ...
(9) No activity should occur on the western end of the island from March l to
May 15 to prevent disruption of great blue heron nesting. (The need for
this recommendation should be evaluated prior to any expansion of the
subject proposal).
(10) Disturbed areas should be revegetated with native shrubs and grasses.
If a Special Use Permit is granted for the subject proposal, above recommendations
4, 8, and 10 should be made conditions of that permit. Jn addition, we recommend
that once this mining operation is completed, all related facilities; i.e. crusher,
asphalt plant, concrete plant, etc. be removed from the island. Otherwise,
operation of these facilities could continue with materials brought in from else-
where. Removal of the facilities would eliminate some of the disturbances to
3;
Cynthia M. Houben, Planner
Page Three
wildlife in the river corridor.
February 6, 19b4
We appreciate the opportunity to comment on this proposal.
WRE:ch
xc: Grode, Leslie, ~/ill, File
Sincerely, u~~.wJ_
William R. Elmblad
Wildlife Biologist
DIVISION OF WILDLIFF
J<11ick R. Grieb, Director
6060 Broadway
Denver. Colorado 80216 (825-1192)
526 Pine St.
Glem'.l'.XX.1 Springs, CO 81601
Mr. Terry L. l3c:Mnan
Carf ield County Planning
2014 Blake Avenue
Glenw:xXI Springs, CO 81601
January 14, 1982
RE: Special Use Permit -Asphalt Paving Canpany Gravel Pit
Dear Terry:
The Division of Wildlife has revi~ Asphalt Paving Canpany's proposed gravel
operation near Silt, Colorado, and =uld offer the following ccmrents.
The proposed operation is located in an extremely sensitive wildlife area and as
such will require m:::dification of the proposed mining plan in order to reduce adverse
impacts to resident wildlife populations. The Colorado River ==idor near Silt is
an extrerrely :irnp::irtant wintering area for the endangered l:ald eagle. The eagles
utilize the channels near the proposed operation as well as the islands themselves
as hunting areas. The large =ttonw:xrl trees located on the islands serve as hunting
perches and r=st sites for the eagles. I have enclosed a map depicting bald eagle
observations recorded over the past three winters by Division of Wildlife and Bureau
of Land Managerrent personnel. As evidenced by the preponderance cf hunting perches
and the crnmuna1 r=st site, this area is heavily used by the balG. eagle. This -
o:::mnunal r=st site is one of only four known roost sites on the Colorado River.
A =mrunal r=st site is where the eagles tend to =ngregate for the night and is
generally indicative of a high eagle use area.
Intensive activity, such as a gravel operation, within a high eagle use area, oould
place additional stress on the eagles, or cause abandonment of this area by the eagles
to an area of less suitable habitat. The Silt area represents an area of optimum hab-
itat selected by theeagles over the years because of the available perch and r=st
trees, and the abundant fcioa. source. Research studies have shOwn t.'iat eagles wintering
in suboptimal habitat are subject to nnre stress and have lower reproductive success
than eagles wintering in optinrum habitat. Since it is the intent of the Endangered
Species Act and the Bald Eagle Protection -Act to prevent further decimination of the
l:ald eagle population it v.uuld seem imperative that activities potentially harmful to
the eagles be nndified to prevent any adverse impacts.
In addition to the perch sites and =mrunal roost site, the largest known great blue
heron rookery on the Colorado River is_found on the island adjacent to the proposed
gravel operation (note map). The herons are very sensitive to disturrence especially
during the nesting season frc:m April l to May 15. The wetlands and shallO\-l areas of the
river channels represent an irrp:lrtant food source area for the herons. Precautions
DEPARTMENT OF NATURAL RESOURCES, _Ha~ris Sherm.an, Executive Director • WILDLIFE COMMISSION, Michael Higbee, Chairman
Wilbur Redden, Vice Chairman • Sam Caudill, Secretary • Jean K. Tool, Member • Vernon C. Williams, Member
James Smith, Member • Donald Fernandez, Member • Richard Divelbiss, Membe~
33
Page 2 i..JCUIUOl..}' ..l..""11 J...;,IU4
should b2 taken to prevent any distrutance to the herons during the nesting period and
to preserve the integrity of the wetlands and water channels.
Another irnp::>rtant wildlife specie that will b2 :imp3.cted by the prOJ_::osed gravel operation
is the canadian goose. The islands, including the island where the main operation is
planned, are used as nesting and brood rearing areas by the geese. The cx:rnplex of
channels and islands provide excellent habitat for rearing the young geese and attract
a large concentration of geese into the area fran March 1 through May 30. ~bst of the
nest sites are located on the upper pation of the wetland areas designated on the rrap.
The riparian zone which includes J:oth the wetland and upland areas adjacent to the
river represents only tw:> percent of the total land mass in Colorado yet is used by 90
percent of all wildlife during sare part of their life cycle. In addition to providing
iJn!::ortant wildlife habitat, the wetland co=idor serves to provide :inp::>rtant water
quality functions by acting as a natural filter and flccd control rrechanism. Another
irnp::>rtant function provided by the wetland/cottonv.uod area (i.e. phase IV and V mining
area) , is that it protects adjacent areas fran mining activities by serving as a natural
vegetative screen and buffer. Since the heron rookery, bald eagle perch sites, and
roost site is located irrrrediately adjacent to this operation this is an extrEm2ly
iJn!::ortant function.
Having evaluated the proposed gravel operation it is apparent that if nuru.ng is to oc=
at this site the existing mining plan will have to b2 rrodified .to reduce potential adverse
:imp3.cts to resident wildlife populations. I WJuld re=rrend that the following l:e rrade
conditions of the special use pennit in order to protect existing vegetation, water
quality, and wildlife:
(1) Phase IV and V should not b2 mined. Both areas are a:mposed primarily of wet-
lands containing vegetation that provides iJn!::ortant water quality functions, acts
as a vegetative screen, and enccrnpasses essential wildlife habitat, especially'
for bald eagles, great blue herons, and Canadian geese. Mining in these ti-D
areas WJuld not only rerrove this vegetation and its functions rut could disrupt
great blue heron nesting as well as bald eagle use of the area. If phase IV
and V are not mined they will retain norrral riparian functions and serve to
buffer mining disturbance on the large island fran the herons and eagles.
With respect to information presented on the pre-mining rrap, the wetlands
adjacent to the north channel of .the large island are not shown. The wet-
land area on the southern area is shown but the channel which traverses the
wetland is not sh::Twn (please note enclosed map~. A 404 permit is needed to
=rk in J:oth areas.
(2) A 100' greenbelt should be left between the pit and the river and along J::oth
the north and south wetland channel.
(3) The sed:irrent pond should be located to the scuth of the north overflow channel
so that it can discharge into the channel rather than directly into the river.
(4) The pit shoreline and l:ottan should be irregular to enhance aquatic life foI111S.
Peninsulas are desirable since they =eate additional edge.
(5) Several islands with natural vegetation should be left to provide nesting areas
for waterfowl and passerine birds.
3f
(6) Cottom-.D<Xl trees show.ct re retained around the perim..._2r of the pit (i.e.
the greenbelt). Any rottonv.ocd trees rerroved should re replaced on a 1:1
basis.
(7) An area sloped at 5:1 and 150' in length should re left along the south-
~stern rorner to =eate a mudflat for waterfowl and enrourage growth of
aquatic errergents.
(8) Areas of intensive activity such as a crusher, batch plant, etc., should
re located away fran the river, preferably near the road.
(9) No activity should oc= on the ~stern end of the island fran March 1 to
May 15 to prevent disruption of great blue heron nesting.
(10) Disturbed areas should re revegetated with native shrubs and grasses.
It is my opinion that if these recxxrrrendations are :implerrented impacts to wildlife and
this riverine e=systan can re minimized. I would re-anphasize the imp:>rtance of not
mining phase IV and V J:;ecause of the =itical habitat rontained in these tracts and
because of the potential impacts to wildlife, particularly the bald eagle and great
blue heron.·
The Division of Wildlife appreciates the opportunity to carrnent on this project.
MRG:ch
Enc.
xc: J. Leslie
P. Will
Sincerely,
vVv0 Cut..2 q_ ~,.~
Michael R. Grode
Wildlife Biologist
(2) File -Silt Pit {Asphalt Paving) -Garfield)
TOWNofSIIT
P.O. Box 174
Garfield Colll1ty
Dept. of Development
2014 Blake Ave.
Glenwood Springs, CO 81601
To \Vhom It May Concern
Silt, Colorado 81652
Feb. 6, 1984
Attached please find the concerns of the Town of Silt
. regarding the proposed gravel pit adjacent to Silt of I.sph2l t
Paving Company. The Town strongly objects to the Pit and Bctch
Plant.
303 876-2353
·11JWN ot.~11 -. .
P.O. Box 174 Silt, Colorado 81652 303 876-2353
General Comments:
Area is located within 1/4 mile of Silt Town Limits
within the area designated in the Silt Town Comprehensive
Plan as B7. B7 is designated as a Secondary Growth Area,
an area for rural subdivision density. Area immediately
north of the River is designated as medium density residential.
As such, a gravel pit and asphalt batch plant are clearly
imcompatable uses with the designated Town uses.
The Silt Comprehensive Plan requests that any development
must make provision for the dedication of riverfront trails
for wildlife observation. Access is requested.
Specific Comments:
1. With the undeveloped Corn Pit and the marginal economic
operation of the existing pits in the immediate area, a need
has not been demonstrated for the proposed.
2. The immediate experience with the temporary batch plant
at the Frei pit clearly demonstrates retainage of s~oke and
smell to be severely offensive in smell and sight.
3. The Town of Silt Water supply is located in an underground
acquifer. Past experience with excavation in the area of
the Silt bridge indicate that dewatering poses an i~minent
threat to both quality and quantity of the Towns only
water supply. Engineering studies indicate impact mitigation
could run as high as $850,000,00 to the Town. All exhibits
completely ignore the impact upon the Towns Water supply.
Further mitigation measures must address the possibility
of contamination of the underground sources by diesel fuel
or other organic ccntaminents.
4. This application if approved clearly sets a precedent
for the other 103+-acres for gravel mining.
1 U VY 1 V 01 ;:::,-Jl
P.O. Box 174 Silt, Colorado 81652 303 876-2353
5. Upon approval of the Corn Fit, a condition was that a
traffic study be done to determine mitigative measures dealing
with traffic flows on the Silt Exit. This study has not been
done. The estimates of traffic of the Asphalt seem low. The.
potential for traffic problems with buildout of existing develop
ment and gravelpit traffic is of concern. The Town of Silts
economic future depends on its viability of access. A mitigative
measure might be to send all traffic south and west to the new
Mamm Creek Interchange.
6. There is no timetable for completion of the reclamation
plan. Conceivably the pit could be unreclairned for 20years.
7. All outdoor storage of any items such as barrels,timbers,
tanks, or sheds must be above the 100 yr. flood elevation.
8. This is substan)!:ially the same proposal as submitted
previously to the County and Silt. The Town of Silt based
on several grave concerns reccomends_denial.
9. Please note the concerns of the Dept. of Wildlife.
Jf
· .. -. .. .. ----.._ ~ -'
P.O. Box 174
Mark Bean, Planner
Garfield County Planning Department
2014 Blake Avenue
Glenwood Springs, CO 81601
Dear Mark:
Silt, Color. I 81652 303 876-2353
May l 0, 1983
Historically, Silt has opposed the majority of industrial uses outside
its corporate limits yet within its area of influence. And wishes to
90 on record as opposing this request.
The Asphalt Paving Co. was denied gravel pit operation approval by the
County Conmissioners in May of 1982. Silt officials are hoping all
pursuant will be consistent.
If my chronology is correct, prior to A.P.C. 's request denial, Corn
Construction was granted approval for a gravel pit. They also signed
an agreement with the Town of Silt (see enclosed letter) which neither
they nor Frei and Son's have honored to this date.
The Town's water plant operator has serious concerns about the effect
of on site pollution run off into the river, such as petroleum or gas
production, as a result of surrrner rains.
Further, c:itizees of Silt aad aetgbbort.ng cOOlfllni ttes were appalled at
the lack of pollution monitoring the Frei operation received during
its; 30-day permit last surrrner. Obnoxious black smoke belched daily
during plant operations.
Once again Silt appreciates the opportunity to provide input •
cc: Mayor
Administrator
. Sincerely,
.. C/ffcd/c:~
Michael E •. Wikoff,
Planner
.. \ -. s:.
... ..
·,
Mr. Dave Wietzel
Town Manager
TOWN OF SILT
P. O. Box 174
Silt. CO 81652
Dear Mr. Wi etze 1:
~. 0 . ._ 1"40 • POJl 4>-OJ
OFFICE• YA.l'tO
3199 0 "0AD
Grond Junction, Col0<ado 81502
Hay 28. 1982
•
Regarding the obligation of Corn Construction Co. to provide front-end funds
in an amount not to exceed $9,000.00 for a traffic study. we want to propose
the following method for recovering a portion of our costs not to exceed
$6,500.00.
It is our understanding that the Town will require others planning to develop
new ground near the I-70 Interchange to pay an amount to be detennined by
the Town toward the study. It is further our understanding that the Town
will refund any amount collected from other developers to Corn Construction
Co. up to the agreed limit of $6,500.00. Further, it is our understanding
that Corn Construction Co. will not become liable to pay any moneys toward
the traffic study until all necessary pennits for the Peterson Pit" have
been acquired.
If the items outlined in this letter meet with the approval of the Town
of Silt, please sign in the appropriate place, and return a copy to our
office. If you have any questions or ccxrments concerning this matter.
please feel free to contact me.
Sincerely,
CORN CONSTRUCTION CO.
Vice President
APPROVED:
TOWN OF SILT -·-, .... ..; ..
~ --. \._E/ . ~.'
.__.--<.re -t'. ~-'<-/~· '-• ._, By • -, -'-·.
. GEORGE ERfi:sEft_ MAI OR PRO-TEJll
6-17-82
Date
f /
COLORAOO
Richard D. Lamm
Governor
February 8, 1984
Ms. Cindy Houben
Garfield County Development Dept.
2014 Blake Avenue
Glenwood Springs CO 81601
Re: Asphalt Paving Permit-Weld County
Dear Cindy:
Thomas M. Vernon, M.D.
Acting Executive Director
Attached is a copy of the Emission Permit issued to Asphalt Paving Company for
a Stansteel Model 8 X 36 drum mix asphalt plant. This plant is required to
meet the New Source Performance Standards (NSPS) enforced by both the State of
Colorado and the U.S. Environmental Protection Agency for new asphalt plants.
Due to the high efficiency required to meet these standards, adverse impacts
on ambient air quality are expected to be minimal as noted in the accompanying
project summary.
All other air pollution sources noted in the special use application have not
been applied for or have been granted Emission Permits from the Colorado
Department of Health, Air Pollution Control Division. Until these permits are
issued, total air quality impacts for this proposal cannot be determined.
Of further concern to the Air Pollution Control Divisiin is the cumulative
effect of all the gravel pits locating in the same area. Again, this cannot
be addressed by the Division until a permit application has been filed.
Thank you for the opportunity to comment on this project.
Sincf)Y, ,,//
./vf/ifZ' ~~q,,
Scott J. Miller
Air Pollution Control Division
SJM/zp
cc: Dick Fox, Denver Office
File
125 NORTH 8TH STREET, GRAND JUNCTION, COLORADO 81501 -PHONE (303)245-2400
.o<·Co-1:0
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COLO~AOO DEPARTMENT OF HEAL TH
Air Pollution Control Division V~'Y '~.Js1&Y Telephone: (303) 320-4180
e!la~~~aoN ·pe~rrf1£jmr l:bmvma~~~ · · · · ·1 , lbriavad :
PERMIT NO. C-12 733
DA TE I ~SUEJ: Decerrber 17, 1982
ISSUED TO: ASPHALT PAVING COMPANY
INITIAL APPROVAL[)
FINAL APPROVAL 0
AMENDMENT
THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS
FOLLOWS:
Asphalt batch plant located initially at west end of
Keenesburg along Highway·76 in Weld County, Colorado.
THE SPECIFIC EQUIPMENT QR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE
fOLLOWING:
300 TPH Stansteel Model 8 X 36 Drum Dryer Asphalt
Batch Plant controlled by Stansteel Model D-130
Venturi Scrubber processing up to 60% .recycled
asphalt.
THIS PERMIT IS GRANTED SUBJECT TO ALL RUC.ES AND REGULATIONS OF THE
COLORADO AIR QUALITY CONTROL COMMISSION AND THE COLORADO AIR QUALITY
CONTROL ACT C.R.S. 1973 (25·7-101 ~ ~_g_.). TO THOSE GENER/IL TERMS AND
CONDITIONS SET FORTH ON THE REVERSE SIDE OF THIS DOCUMENT AND THE
FOLLOWING SPECIFIC TERMS AND CONDITIONS:
1. Opacity of emissions shall not exceed 20%.
2. Particulate emissions shall not exceed either of the following
limitations: 1.58 lbs. per hour and 0.54 ton per year based on an annual
asphalt concrete ~roduction rate of 2DD,ODD tons including up to 60%
recycled asphalt. ·
3. The Permit number shall be stenciled on the unit for easy identification.
4. This permit is reissued with conditional approval. Upon satisfactory in-
spection of all operating conditions by plant using GO::::· recycled asphalt
material, final a~;..iroval \·1ill be granted. Applicant is requested to advise
the Division JO days prior to start-up.
/ -continued Paqe ·2
. 'JJ~~ ~~~~ ~~k p~ . <Xd._ ~~ ~ "-"~ (""" \
,,1 q POLLUTION CONTROL DIVISIO~
l.. JRADO DEPARTMENT OF HEALTH
PRELIMINARY ANALYSIS
PERMIT NUMBER C-12, 733
Page .L of L
Applicant's Name~-A""s~p~h~a~l~t-"P~a~v~i~n~g'--'C~o~.~~~~~-
Date 12/26/79 Review Engineer~~J~o~hanLL-G1>..._,_;:P~lQogo~~~~ Control Engineer___a_
Description of Project
Asphalt Paving Co. propose.s to operate a 250 ton per hciur asphalt batch plant
initially at Arapahoe County Airport and then in various locations throughout the state.
Particulate emissions will be controlled by a venturi scrubber.
Surrnnary of Emissions (TPY)
Particulate so 2 NO x HC co
Uncontrolled 490.5 .. 3 4.5 ,25 0,9
Controlled 2.1 . 3 4,5 ,25 . 0.9
Allowable 3.2 52. None specified
Ambient Air 3 Quality Im;eact (u9/m )
Particulate so 2 NO x HC co
24 hour 24 hour Annual 3 hr. 8 hr.
Source 21. 6 3.1 21 3.5 10
Background >150 0 ::=::..100 ::::.1Go::>10,ooo
Allowable 150 so 100 160 10,000
Area status Non-Attain-Non-Non-Non-
attainment ment attainment attainment
:::,, means greater than
This source is proposing to locate in an area currently designated as "Non-
Attainment" for the "National Ambient Air Quality Standards" for particulate, NOx'
co, and oxidants. This designation means that the State of Colorado -Air Quality
control Commission has determined that the area within which the source is proposed
(Continued)
APC-73 (5-76)
\;:Jo, POLLUTION CONTROL 01v1s1orf""
ORADO DEPARTMENT OF HEALTt.
~RELIMINARY ANALYSIS
Page 2 of L
PERMIT NUMBER C-12,733 Applicant's Name~~--''~·~p~h~aal~tt__P~aav>ll.inngg_C<:oo~~~~~
Oate~-1~2~/u2~6u/~7~9'--Review Engineer~~·J~ouhun,__,G~~P~lLIQ~gg_~~~ Control Engineer~-"~
to locate, generally has ambient levels of particulate, NO , CO, and oxidants
air which exceed the National Standard for these pollutant~. These Standards
set at levels designed to prevent adverse effects to the public health and/or
in the
were
welfare.
Emissions from the proposed source, while contributing additionally, are con-
sidered minor in nature and should not interfere with reasonable further progress
towards the attainment of the National Ambient Air Q~ality Standards.
APC-73 i5-76)
17
DEPARTMENT OF THE AR
-~ACRAMENTO DISTRICT. CORPS OF ENGINEERS
650 CAPITOL MALL
SACRAMENTO. CALIFORNIA 95814
REPL> TO
l.TTENTION OF
Regulatory Section
Mr. Jeff Keller
Asphalt Paving Company
14802 West 44th Avenue
Golden, Colorado 80401
Dear Mr. Keller:
January 23, 1984
I am responding to your letter dated January 13 1 1984 concerning
your proposed gravel extraction operation {Silt Pit).
After review of your mining plan we have determined that a
Department of the Army Permit (Section 404) is not required, as
there is no fill material proposed in "Waters of the United States".
If you have further questions please contact Bill Herring of
this office, telephone {303) 243-1199.
Copies Furnished:
Sincerely,
Grady L. McNure
Chief, Regulatory Unit 4
2784 Crossroads Boulevard, Suite 111
Gaand Junction, Colorado 81501
Garfield County Planning Commission, 2014 Blake Avenue, Glenwood Springs,
Colorado 81601
Mr. Don Scherschligt-401 Department of Health, 4210 East 11th Avenue,
Denver, Colorado .80!20
DEPARTMENT OF THE AR,
SACRAMENTO DISTRICT, CORPS OF ENGINEERS
650 CAPITOL MALL
SACRAMENTO. CALIFORNIA 95814
REPl..Y TO
ATTENTION OF"
Regulatory Section
Mr. Jeff Keller
Asphalt Paving Company
14802 West 44th Avenue
Golden, Colorado 80401
Dear Mr. Keller:
January 23, 1984
I am responding to your letter dated January 13, 1984 concerning
your proposed gravel extraction operation {Silt Pit).
After review of your mining plan we have determined that a
Department of the Army Permit (Section 404) is not required, as
there is no fill material proposed in "Waters of the United States",
If you have further questions please contact Bill Herring of
this office, telephone {303) 243-1199.
Copies Furnished:
Sincerely,
Grady L. McNure
Chief, Regulatory Unit 4
2784 Crossroads Boulevard, Suite 111
Gaand Jun.ction, Colorado 81501
Garfield County Planning Commission, 2014 Blake Avenue, Glenwood Springs,
Colorado 81601
Mr. Don Scherschligt-401 Department of Health, 4210 East 11th Avenue,
Denver, Colorado 80120
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Phase IV and V should not be mined. Both areas are comp::>sed prirrarily of wet-
lands_ containing vegetation that provides irnp:>rtant water quality functions, acts
as a vegetative screen, and enccrnpasses essential wildlife habitat, especially
for bald eagles, great blue herons, and Canadian geese. !>lining in these two
areas w:>uld not only rerrove this vegetation and its functions but could disrupt
great blue heron nesting as well as bald eagle use of the area. If phase IV
and V are not minecl they will retain normal riparian functions and serve to
blffer mining disturh:lnce on the large island fran the herons an:1 eagles.
(2)
(3)
(4)
(5}
(6)
(7)
(8)
(9)
(10)
A 100' greenbelt should be left between the pit and the river and along both
the north and south wetland channel.
The sed:immt JOOnd should be located to the south of the.north overflow channel
so that it can discharge into the channel rather than dll·ectly into the river·
The pit shoreline and bottan should be irregular to enhance aquatic life forms.
Peninsulas are desirable since they create additional edge.
several islands with natural vegetation shouid re left to provide nesting areas
for waterfowl and passerine birds.
Cottonw:xX! trees should be retained around the perimeter of the pit (i.e.
the greenbelt) • Any oottonwocd trees rerroved should be replaced on a 1: 1
basis.
An area sloped at 5:1 and 150' in length should be left along the south-
w=stern corner to create a nrudflat for waterfowl and enrourage grcMth of
aquatic emergents.
Areas of intensive activity such as a crusher, ba.tch plant, etc., should
be located away fran the river, preferably near the road.
No activity should occur on the western end of the island fran March 1 to
May 15 to prevent disruption of great blue heron nesting.
Disturbed areas should be revegetated with native shrubs and grasses.
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Jan JO, l 9ll4
Planning and zon~.g Committee
2011} Blake Ave
Glenwood Springs, Colorado 81601
County Commissioners
2!01 8th Street
Glenwood Springs, Colorado 81601
Dear Sirsa
In sprin!; of 1982, the :}arfield County Commissioners
refused to issue a special use pennit for a gravel operation
o:i property owned by Asphalt PavirL'; Go. 'L'i1e main reasons for
denial werea
1. Cumulative impact
2. Incompatabili ty with nei:{hbors
J. Opposition from Town fo Silt and residentsot county
The Division of Wildlife was also concerned as to the effect
of a gravel operation on the large Jlue ieron and Eagle populations.
As ·it now stands all the reasons ';iven for denial are still the
sarne.
There still are too many gravel pits in a small area, the
neighborhood is still rural-agricultural in nature, a pit in this area is
contradictory to the Silt Comprehensive Plan, and ~lso the Llou11ty
?lan. ·;<he 'l'own of Silt is also concert.ed 3·oout the eff'ect oi' a
:;ravel operation so close to tneir Y\ew w3ter filtration plant.
In 1982 we J1elped circulate a petition to show the
commissioners a broad public opposition to d !;ravel pit at this
location. As I see lt that petition is just as valid for this
special use permit as it was in 1982. there is still a great deal
of opposition to a pit so close to town and so close to other
operations. Where do we draw the line? I thought we drew it in 1982.
~f;~~I1t8 "7+-: ,~,,,,~,'~\ 1(" \k~"t(,
iJor1a_ li .'"'(. 1~J:l)1ro1n '-
0361 rioad Jll
Silt, Colorado 31652
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Garfiel .. d County Plan·
~---·
Asphalt Paving Comp.
February 8, 1984
,ng and Zoning Col'lmission
Application for Gravel ~ .~, etc.
The Garfield County Citizens Association, a group of more than
70 residents throughout the County, appreciates this opportunity to
comment on Asphalt Paving Company's application for a special use
permit to operate a gravel mine, asphalt batch plant, crushers and
concrete batch plant. In the Spring of 1982, the Citizens Association
took a position opposing a gravel operation in this location. We see
no reason today to change that position. Once again, we ask that the
Planning and zoning Commission recor.c~end den~al of this application.
The Citizens Association supports the recommendation for denial
of the Garfield County Planning Staff. We concur with the Planning
Staff that (quote) ''there is no evidence that there has been a
change in the character of the neighborhood." (end quote)
In their resolution of May 24, 1982, the Garfield County Commissioners
found that (quote) ''the general character of the neighborhood .. ,is
agricultural/residential". (end quote) That pattern of land use
has not changed. The applicant again is proposing an industrial use
that is incompatible with the character of the agricultural and residential
neighborhood--a use which could very well injure the heal th, safety
and well-being of nearby residents and a use which would necessarily
decrease their property values.
The Citizens Association also concurs with the Planning Staff that
(quote) "there is no evidence that the 1984 proposal now complies with
the Garfield County Comprehensive Plan." (end quote) We believe ·the
request fails to satisfy the Comprehensive Plan in the ways described
in the Planning Staff's report.
In opposing this proposal, the Citizens Association supports the
concerns of the nearby residents who submitted letters to you and the
Asphalt Paving, Feb. 8, 1984
Page two
residents who signed a petition in opposition. We believe these
residents' concerns are justified.
The Citizens Association also supports the position of the Town of
Silt. We believe the proposed operation is incompatible with Silt's
plans for future growth as designated in the Silt Comprehensive
Plan. We believe the applicant has not satisfied the Town that
there would be no harm to its water supply both in terms of quantity
and quality.
In addition, we concur with the concerns expressed in a letter to
you from William R. Elmblad with the Colorado of Wildlife.
In his letter, Mr. Elmblad stated that gravel
probably the most significant adverse impact to wildlife along the
river.11 (end quote)He questioned, (quote) "At what point enough
development is enough for wildlife, we cannot say at this time."
(end quote) He dontinued, (quote) "However, oftentimes a significant
adverse impact only becomes apparent once it has occurred. Then it
may be too late to rectify the damage." (end quote)
We repeat his statements because we feel it is important to underscore
them in your minds. The potential harm to wildlife as a consequence
of the proposed gravel mine is unpredictable--even to experts.
In early 1982, the Citizens Association questioned the need for more
gravel operations in Garfield County. We feel the same today as we did
then. The applicant has not demonstrated that a need exists for this
resource at this time. In conjunction with this new application,
nearby residents, the Town of Silt and the Division of Wildlife all
question 1thetnee for another gravel mine. Mr. Elmblad wrote in quo e1
his letter, "As a prerequisite for the County's permit, we recommend
that a need for this project at this time be established. This could
prevent unnecessary disturbance to wildlife.'' (end quote)
In their 1982 resolution for denial, The County Commissioners
Asphalt Paving, Fe•
Page three
8, 1984
addressed the question of need. They found that (quote) ''deposits
of commercial grade gravel are of importance to the general welfare
of Garfield County and that there is a need to conserve valuable
resources for future generations." (end quote) The Commissioners
concluded, (quote) "To the extent that the County has recently
permitted a number of other pits in the general area so that commercial
grade gravel is presently available, it is appropriate to deny the
applicant's application ." (end quote)
Other pits in the Silt area today are not producing at anywhere
near their capability. We believe that this is ample proof that
there is no demand for still another pit. Once more, the circumstances
have not changed since 1982--if anything, there is less demand today.
Along with nearby residents, the Town of Silt and the Division of
Wildlife, we are also concerned that approval of the nine acre pit
will open the door to further requests for expanding the operation.
That only makes sense. A nine acre pit will not recover the purchase
price of the property for the applicant.
There have been rumors that if the application is denied, the
applicant will again attempt to sue the County. In our minds,
-
the County is more at risk in court if it should grant this permit
and then deny future requests for expansion.
We feel that the applicant made an honest mistake in purchasing
property that is zoned agricultural/residential/rural density. We
understand the applicant's continuing financial dilemma. But we
don't believe that the residents of Garfield County should be made to
pay for the applicant's mistake. In our minds , the applicant has
not demonstrated that there would be enough benefits from the proposed
gravel operation be tlte resiilelil" of Garfillloil CQYRiry° to counterbalance
the much more clear harm that it would bring to nearby landowners,
the Town of Silt, wildlife and County residents in general.
. ,
Town of Silt
P.O . Box 174
Silt, CO 81652
·,,
Att n: Mr . David C. Weitz el
Town Ad mi ni str ato r
Dear Mr . We i tz el:
14802 W. 44TH AVENUE ·
GO LDE N,COL0 .8 040 1
279 -6 6 1 1
Febru a ry 23 , 1984
My r ec ent attemp t s t o co nta ct you bot h in per s on and by te l ephon e
have been unsuccessful. I am writing to let you know t hat Asph alt
Paving Co. would be pleased to meet with the Town of Silt . I am
sure that by sitt ing down and dis c ussing the i s s ues we can c l ear
up yo ur concerns as well as tal k about your r e corrmen da tions. Asp ha l t
Pa vin g Co. sta nds willi ng to work wi t h and es t ablis h a good s t an di ng
relations hi p wi th t he Town of Sil t .
Pl eas e con tac t me a t your ear l iest co nven i ence so t hat we could a l l
ge t to gether.
Res pec t f ull y ,
ASPHA LT PAVING CO.
1i?f *1LIL «-~f Ke ll e r
Project Ma na ger
cc: Gar fi eld Co unt y Conrnissione r s
Garf i e ld Cou nt y Deve l op ment De partme nt
JK:nb
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Jan JO, 1984
Planning and Zoning Commission
2014 Blake Ave
Glenwood springs. Colorado 81601
County Commissioners
201 8th Street
Glenwood Springs, Colorado 81601
Dear Sirs,
Once again the Garfield County 1' : !, and the Commissioners
must make a decision concerning gravel operations on the Colorado
River in Silt. This is a request for a special use permit to mine
gravel by Asphalt Paving Co who tried to obtain a permit two years
ago and failed, The County Comr:iissioners denied the perni t for
these reasons, among others:
1. Cumulative impact to area(created by noise,dust,traffic,etc)
2. Incompatability with area v1:iich 'Jtill rem8iX:fJ basically
rural and agricultural
J, Opposition from the 'l'own of .Silt because of the effect
on their water intake system
4. Opposition from residents(petition submitted carrying
800 names)
5. Opposition f:f'orn v1ildlife officials
I have all the sarne concerns as two years age, the situation on the
river has not changed and the reasons listed above for clenial still
apply.
'I'he request this time from Asphalt Paving is for a much
smaller area to be mined, but my concern is: if once the area is
changed in use to allow for this small pit, what will be the
si1buation when Ashal t Paving applys to expand (as did l''rei ,'" Sons)?
The Commissioners fel), in the Prei & Sons case, that they had no
good reason to deny them their expansion permit because the area
was already in use by gravel operations. This could very well be
Asphalt Paving's plan.
And now we ,re back to the orL!i,1cil question we posed two
years ago of need, and of impact? Yet since then, irei is now in
full operation and have expanded greatly, only making need less
of an issue.
We don't r•eed any more gravel and related operations on
the Colorado River. Please deny Asphalt Pavin:?;s request for a
special use permit.
As Larry Velasque stated at the .. 1ay 12, 1982 meeting to deny
Asphalt Pavings first request-he said he might in the future be
less inclined to approve such permits, even if a need for gravel was
demonstrated. ''We have a responsibility to future generations to
disallow anyone to come into the county and exhaust our resources,"
It could be, he said, that developers may have ''to import some of
the materials from other areas,''
I appreciate you taking into concideration my thoughts when
you· make your decision.
Thank you.
S.1/}l· n erely, 1" 1 r '\'.. 1' '.A~1 V-f/,;_·lJ -' 'Z1. . .tJ ,'•/A./
Susan Throm
0361 i~oad Jll
Silt, Colorado 81652
(Quotes taken from '"i'he \'leekly :rnwspaper", 1.·.ay 12, 1982)
WATER RESOURCE ANALYSIS
ASPHALT PAVING
GRAVEL PIT
SILT, COLORADO
ENARTECH :INC.
818 Colorado Ave.
P.O. Drawer 160
Glenwood Springs
Colorado 81602
(303) 945-2236
FEBRUARY 20,1984
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February 20, 1984 -·~y~
Mr. Jeff Keller
Asphalt Paving Company
14802 West 44th Avenue
Golden, CO 80401
RE: Water Resource Investigation, Silt Pit
Dear Jeff,
The following report outlines our study results and
conclusions concerning the impact of Asphalt Paving's proposed
gravel pit on the Town of Silt's municipal water supply system.
In summary, we have concluded that your operation will not have a
measurable impact on the quantity and quality of the towns water
supply. We base these conclusions on the following observations:
1) Dewatering a one acre open pit will initially require a
pumping rate of 2.2 cubic feet per second (cfs) to lower the
water table to the desired elevation. A continuous pumping
rate thereafter of 1.5 cfs will sustain the low water table
elevation. Upon full development a seven to eight acre open
pit could require a continous pumping rate of 4.2 cfs.
2) The underlying aquifer and nearby Colorado River are
hydraulically connected. Approximately 95% of the sustained
pumping rate will originate directly from the river.
3) A 1.4 cfs to 4.2 cfs direct depletion of Colorado River flows
during the critical winter low flow season will not have a
measurable impact on stream levels. Approximately 60 cfs
would have to be pumped from the river to lower the stream
elevation one inch.
4) Aquifer pumping and sediment pond overflow will be discharged
into the Colorado River on the west end of the site,
downstream of the Town's water supply system.
5) Asphalt Paving will develop and implement a Spill Prevention
and Containment Plan as required by the State.
6) All potential toxic materials, including diesel fuel and
gasoline can be stored at an elevation above the 100-year
flood plain.
818 Co.lorado Avenue P.O. Box Drawt•r 160 G/en~vood Springs, Colorado 81602 (303) 945-2236
~1r. Jeff Keller
February 20, 1984
Page 2
If after your review of this report, you have any questions
or if we can be of further service, please do not hesitate to
contact us.
Sincerely,
ENARTECH, Inc.
;(7__,g .
R. Seo~
Principal Hydrologist
d~~
Charles R. Peterson
Professional Engineer
RSF-CRP/tlb
Encl.
INTRODUCTION
Purpose
The purpose of this study is to determine what impact the
development and operation of the proposed Asphalt Paving gravel
pit will have on the quantity and quality of the Town of Silt's
municipal water supply.
Backaround
The proposed Asphalt Paving gravel mine is located on an
island of the Colorado River, immediately south of Silt, Colorado
(Figure 1). The island is an alluvial formation consisting of a
mixture of sands, gravel and cobbles that have been deposited by
the Colorado River. The permeable nature of this material and
proximity of the site to the river, create a perennial high water
table underlying the property. As a result, the open pit will
require dewatering during operation to facilitate efficient
extraction of the mined material.
The Town of Silt is concerned that pumping the aquifer could
have an adverse impact on their nearby municipal water supply
,system. Their system consists of an underground infiltration
gallery adjacent the Colorado River approximately 1 ,750 feet
northwest of the proposed gravel pit. The proposed pit and water
system are separated by a main branch of the Colorado River.
The Town fears that significant pumping could lower the water
table elevation of the Town's water system, thereby lowering its
yield and perhaps adversely affecting its quality.
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WATER QUANTITY
Rate of Pumping
In order to assess the impact of prolonged pumping on the
surrounding aquifer, we first had to define t~.e rate of pumping
necessary to sustain the desired lower water table elevations.
We were able to calculate this value using existing information
that included; previous reports, Asphalt Paving's proposed mining
plan, core drilling information at the adjacent Silt bridge, and
historic dewatering observations at the nearby Frei and Sons,
Inc. gravel pit.
Core borings completed for the adjacent Silt bridge indicates
that the aquifer consists of a mixture of sands, gravels and
cobbles to a depth of approximately 20 to 25 feet. This material
is underlain by a rather impervious layer of claystone. Water
table elevations were encountered near an elevation of 5412.
The Asphalt Paving mine plan indicates that gravel removal
will extend to a maximum depth of 30 feet, or about elevation
5395. This means that approximately 17 feet (5412 -5395) of
standing water will be encountered and must be dewatered during
periods of operation. These are nearly identical to the
conditions encountered at the nearby Frei a::iC: Sons, Inc. gravel
pit.
of 30
The Frei pit consists of a one acre ope::i pit with a depth
feet. Conversations with the plant r;-,e.Da=;er revealed that
they are able to dewater their pit with consta~t pumping from one
4 inch, 20 horsepower pump with a total lift of 30 feet.
Assuming a total pipe length of 75 feet and a pump efficiency of
80%. we estimate this to be a constant discl-;arge of 1.51 cubic
feet per second (cfs) (680 gpm). (See attachcient 1.)
3
We believe that the aquifer conditions encountered at the
Frei and Sons pit are analogous to those that can be expected at
the Asphalt Paving site. An initial one acre pit will require a
pumping rate (first week) of approximately 2.2 cfs (990 gpm) to
initially lc~er the water table and a sustained pumping rate of
1.5 cfs ( 660 gpm) to maintain the level. Because of the
proximity o:C the Asphalt Paving pit to the Colorado River and the
permeable nature of the underlying aquifer, there is a strong
hydraulic continuity between the river and the aquifer. As the
pit is dewatered and expands beyond one acre in size, the
resultant cone of depression (drawdown effect) will expand along
the river until the pump receives essentially all of its water
directly from the river. At full development, a seven to eight
acre pit will increase the original boundry effect along the
river by a factor of almost three. Consequently, we estimate
that a sustained pumping rate of 4.5 cfs would be required to
maintain a low water table throughout the pit.
We have calculated the impact on the Colorado River from
dewatering the Asphalt Paving Pit using a method developed by
Glover (date unknown). The aquifer variables necessary to
utilize this methodology were determined using the core boring
data from the bridge and the pumping data from Frei and Sons pit.
(See attachr.ent 2). The Glover method indicates that 95% of the
sustained pumping rate will come directly from the Colorado
River. This means that initially 1.4 cfs of the expected 1.5 cfs
pumping rate 'dill come directly from the adjacent Colorado River.
Upon full cevelopment, 4.2 cfs of the expected 4.5 cfs would
originate from the Colorado River.
4
Impact on Town of Silt
A sustained withdrawal from the from the Colorado River of
1.4 cfs to 4.2 cfs, even during the winter low flow period, will
not have a measurable effect on the water elevatior, of the Town
of Silt water supply system. A flo\v duration a~lc.lysis of
Colorado River streamflows indicates that 99% of the time, flows
of the River will be greater than 1,100 cfs. floi·1ever, because
the river channel is braided in this area, not all_ of the
streamflow is contained in the channel adjacent to the proposed
pit. Hydrologic studies completed for the recent
construction show that approximately 60" (660 cfs)
streamflow will be contained in this channel.
bridge
of the
Using stream cross section data collected at the bc~dge site
during low flow periods, we were able to calc~iate the i~pact to
the river using the Mannings' streamflo·..: equation. (See
attachment 2.) The analysis shows that during the critical, low
flow period, more than 60 cfs would have to be pumped from the
river to lower the stream elevation one inch. Removing 1. 4 cfs
to 4.2 cfs will have an insignificant and unmeasurable effect on
the river. Consequently, the water elevation at the Town o.f
Silt's downstream water supply system will be unaffected by the
gravel operation. The impact described above wo~ld e~en be less
during the summer high flow period.
\·le do not anticipate an~' adverse impacts o::-;. tt-.e C!'--:3lity of
the Town of Silt's water supply due to Asp~a!t Pa~ing gravel
operations. Aquifer pumping and sediment pond ovecflow will be
carried in an existing irrigation ditch anc dische.::?ed on the
western end of the property, downstream of the Town's water
5
system. An established 100 foot buffer between the River and the
pit will reduce the potential of Colorado River contamination at
any point above the Town of Silt's intake. In addition, the pit
and intake are partially buffered by a large island which
minimizes mixing of surface water (Figure 1).
Groundwater contamination due to leaks or spills is unlikely
provided Asphalt Paving implement a Spill Prevention and
Containment Plan and locate there storage facilities out of the
flood plain. The spill prevention plan is required by the State
and usually requires construction of a spill containment area
around all storage facilities. Often these areas are lined with
an impervious material to prevent seepage. Gingery Associates,
Inc. (1982) have identified a potential storage area that is out
of the 1 00-year flood plain. This will eliminate the risk of
stream contamination during flood flows and further reduce any
possible danger to public health or safety.
6
---------------------------------------------------------------------
PUMP SIZE (HP! 20 PUMP SIZE iHPl 20
TOTAL LlFT !FTi 30 TOTAL LIFT !FTI 30
PIPESIZE-til!r-------i,--------------------------<>.· lPE--Stff--t!N-r-----r--------------------------
PIPE LENBTH (ff) 75 PJPE LENSTH (Ff! 75
-HIJSf t:GEFF---------!35-ffDR-?'JB!!ER-tltlEJT-FiRE-ttOSEt----------tIBSE-CUEff----------135-(ffi!HlUBBER-tlNEff-FJRE-HuSE~-------------
PUH? EFFICIEilCY 80" PUMP EFFICIENCY 801.
. --GUESSED b'·-·{BPnr----------f(i(tl}-----·-----H--iCfS-r---------Z;2-J-----------------BUESSEfr-@---{6Pl'f}-------·---678---------Q---(€FS-}-----1-.-5t------------~
HEAD {PiPEJ
. HEAD (STA:1C}
HEAD !TQTALl
1!.35 FPS
32.40
30
62.40
HEAD !PIPEI
HEAD !TOTAL!
63.81
30
93.8!
VELOC!1Y !7.3! FPS
-PUMP-HEAv----------~3 --------------------------PUl!fLHEl\&------------113------
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DIVISION OF HIGHWAYS -STATE OF COLORADO
PROJECTS FISCAL 1984
GARFIELD COUNTY
Project Numbers: I-70-2
I-70-2
I-70-2
I-70-2
(114)
(113)
( 119)
( 112)
$11,400,000.00
8 ,900 ,000 .00
7,800,000.00
11,300 ,000 .OD
$39 ,400 ,000. 00
14802 W. 44TH AVENUE
GOLDEN, COLO. 80401
279-6611
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DIVISION OF HIGHWAYS -STATE OF COLORADO
PROJECTS FISCAL 1983
GARFIELD COUNTY
Project Numbers: I-70-2 (106)
I-70-2 (99)
I-70-2 (102)
I-70-2 (98)
FR 013-1 (30)
I-70-1 (82)
FR 082-1 (4l
I-70-2 (103
$ 5 ,090 ,000. 00
9,162,000.00
713 ,000 .00
2 ,036 ,000. 00
102,000.00
8,869,000.00
835,000.00
7 ,126,000.00
$33 ,933 ,000. 00
14802 W. 44TH AVENUE
GOLDEN, COLO. 80401
279-6611
--1-:.-··-··-·---·--··---·-··1··-·--·-··-··-··-r-··----l .. r·~-~?.-~~~---.1._. _______ _
! ~--BRS 0014(15)
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:r::j I 70-1 (82)
8,669,000
! 11 42.000 v FR 0\3-2(3) ( JACKSO (PE)
! 1,018.000 /
r·I I ~-----,..~~----ROUTT·~-{ ......--... ;~~=)
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IR 25··1(95)
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~t c _.J FCU 093-1(4) ~. ·· . ..; ""·f-"•.J-., O\\ ER5 .675,000 106.000 . ~ ,,. !PR '-IA 25-2(166]
' 1&4,000
(PE)
1t/1>/Z! E. L HU,.
OE!°~~M~!:ITOF HIGHWAYS-STATE OF C?~9_RAD_~
PROPOSED PROJECTS
FISCAL 1983
URBAN SYSTEM (M) .'. . . .' .......• .-:~' $\ 1.703,000
HIGHWAY PLANNING &. RESEARCH[HPR·PR) .2,838,000
BRI OGE REPLACEMENT (OFF-SVSTEM).(BRO) 1.539,000
ELIMINATION OF HAZAROS (HES) •.•...•..•. 1,416,000
REIMBURSABLE PROJECTS (CC) ..••• , •••• , •• 10,000
METROPOLITAN PLANNING FUNDS (PL) ••••• 552,000
STATE PRO.JECTS (C). .. •. •.on.coo
6. VARIOUS LOCATIONS IN DISTRICT
8 (SIGNALS-POOL/PE. UTIL., CONST.I
<J:l (REHABILITATE-POOL/PE. CONST.) * STATEWICE BRIDGE INSPECTION
BRSOOOS(S)
620.000 * (PE)
FC 0000(7)
55,000
[),,DIST.\ 8
FC0000(2)
202,000
6. DIST.2 8
FC 000014)
174.000
6. DIST.4 8
FC 0000(8)
247,000
!::,. DIST. 6 9
FCU 0006(9)
136.000
!::,. DIST 6 8
(PE, ROW.1 UTIL)--,:~~<...,_,.":,~J ~:ENT ~9
1R 25.1(
921
¥ J/ sRr 010-1(10)
1.331.000 !/°--70.000 1"'" ·-.! OT:El\09 " (PE) '""'
> • I I
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• r'Ru 006-i 1•:i) L 538.000
-·-·-·--..;.,! 7"5-3(125).
IA 70-4(96)' ;..J ,241,000 ·-..,;;: _ _J
IR 25-2(167)
153,000 ,_ ..... A_ 6(~~~~0
• 1 IR ":25-2(168i
IXFU 085-2(17) 71,000
~ FR.i~.~·~9). --·---·----·-·-·)·---·-·.-·-·---·-
,("·-I
IR 25-1(93) ! 1,~.000 ,i3 l ~..... i··-/ S 395 000 (PE)
Fcu'oa5'..2(2'5i ""FCi.J"&:i'.'.1(3411
__ BACA u 111\~ 1.096.0IX/
-~ IXM\115(8) AS0066(17)
I 1 3U 000 J•••n " 201,000
j 1 '-1 SAMU 0075(7) fFf25:-21i65)
i J-.1.-l8-$000 1.643,000 J.. __ ___ -·--l.. ~Txfif410..1{14) 1XM0015!9)' -r OKLAHOMA I 19:lu~0:1{7) -11 .IX-FU470-1(11) 1,095,000
I 3.631.000 :-iJ 906.ooo
LAS ANIMAS S
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DIVISION OF HIGHWAYS -STATE OF COLORADO
PROJECTS FISCAL 1982
GARFIELD COUNTY
Project Numbers: 1-70-1 (73)
I-70-1 (36)
1-70-1 (77)
1-70-2 (70)
1-70-2 (99)
1-70-2 (98)
IR-70-1 (86)
1-70-1 (85)
$ 2 ,500 ,000. 00
400,000.00
11,500 ,000. 00
5,500,000.00
13,54c7 ,000.00
2,000,000.00
140 ,000. 00
66,667.00
$35,653,667.00
'14802 W. 44TH AVENUE
GOLDEN, COLO. 80401
279-6611
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DIVISION OF HIGHWAYS -STATE OF COLORADO
PROJECTS FISCAL 1981
GARFIELD COUNTY
Project Numbers: I-70-2 (90)
I-70-1 (74)
I-70-1 (83)
I-70-1 (56)
FR 082-1 (4)
$ 9,216,000.00
5,767,000.00
724,000.00
10,191,000.00
399,000.00
$26,297,000,00
14802 W. 44TH AVENUE
GOLDEN, COLO 8040 1
279-6611
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Garfield County
P.O. Box 640
Glenwood Springs, CO 81602
Gentlemen:
1"4802 W. 44TH AVENUE
GOLDEN, COLO 80401
279-6611
February 9, 1984
ln confonnance y.;ith the rules and regulations established by
the Garfield County Board of County Conrr1issioners 1 the attached
notice is being sent to you in order to inform you of the
application of Asphalt Paving Co. to mine aggregate one-half
mile south of Silt, Colorado.
Should you wish to obtain additional information regarding
this project, you maJ contact any of the individuals indicated
in tne notiL-e.
JK:nb
•
_......;,. ____ __;t:.ru:J.. _____ - -----
•SENDER: Complete items 1, 2, 3, and 4.
Add your a in the "RETURN TO'' space
on raver
(CONSUL R FOR FEES)
1. Tbc JplJowias service i$ requested {check one).
la; SbQw to whom and date delivered ............. .
D Show to whom, date, and addrcs.s of delivery ..
2. 0 Rasnt1creo DELIVER y
(?Jr,muiaed drlirvy/ttis chargtd ill ""'1itlon //J
~~ "'"ipt/~)
TOTAL
:a.~~TO:
c'.J.l'!Jl.Fi.f;.J) Co,,.,; ry
P.'O. '''13""' 6 'I-D
-· -· --<
&1.'£/JWooD .S ,.,; ,;as <!o. 8 /t,,u
'-TYP-1 'GI': IEIMCE: ARTICLE HUMBER
D~ 01NSURED
Hi:amPtiD 0 COD
DEXPflEll IWL
,t1 ~-'f.O DEUVEll BECAWSE;
i---1 1'->.'°
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Respectfully,
ASPHALT PAVING CO.
d~l:dL
Project t-',anager
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Wednesday. February l, 198.f -Glenwood Springs {Colo.) POST Page 11
~NOTICE
Tok• Notice ii.gt A1pholt Pov•"9 Co ·t.011 opoli.d to
•he &oord ol County ;:o,,...,.1u1Qn•n GQrl'eld (ounl')',
S•o•• of (ulorodo. lo 1'""'" ~~·ol U•• ~e•mol '"<oft-
, .• c!•O<\ ..,,rh rh• lollo"''"9 J""cnbed pr.,,perty 111uo•.d
1n 1he (~nty of Gorf•eld i•oie of Colorado. !O-wot:
SE", ol the Ni''• ol 'i«lion 10 NE',•. NW''• ANQ
~W''• Qf •he SE'·, of ~ec1t0n 10: •he E'·, ol •h• sw·, ol
S«llon 10, Township~ Sov1h. l:cnge9'2 We,I, Olh 19 M.,
Gorfl.ld(ountyi Color~.
Proc.TlcGt O..Crlption (location with r..,_cl to h.
woy.CO\,lftfJr~ondr .. W-IM):
) 112 nO .. IOUthol lh9T-. of $111, ColorQdo and wMI'
of COl.lnlY !toad lll.
Said s,..elot u .. PenNt i• 1G ollow the P.mio-t fo~·'
~ pit .,,;n. lot 1ood mod gravet; to operote • por-
toble cupholt pion! ood 111 porlobi. con«ete plan! on IM
A.II p•r1.0n1 otf•c"d ~ ·t-e p•OP<Jl&d )l'"c1ol U•e
P<1<''"' ore ,,,.,,,.,d "' JPQ,.or ""d 1101e ,1,.,., ,,,..,.,
.:>• o'••'• or ob1<1< ''O"' ,f ,,,., <il••not <>PD•o• .J••\<l<'o•ly
Jf 1~·<1' . .,..,•hng ·k,.,, ''"' "'•,,,Jed 'O 1101e yo"r ~·•w•
by '•rt .. por•,cvlor:v ! , >u hove e>Oo..:h0<1' •o 1uch
s0 ..:1ol U1e p,.,,,.,,, ?fi ·he 8o<1td of Counry CoM•
;r1,0 ;,:o,,ers .. ,11 9"" rDl"•.derot1on To 1h• comm.,..11 of
•ur<ou<'d"'9 ptop•t1v <I*""" o"d Jthert aff.c;ted in
i.w;idin9 whet.._r •o ~ronl ot deny •he r&qu•lt for
ipeciot :iM. Th1t1 Spec.al U1• Permit oppl•cotion "'O'f' b'9
rev••w.O ol th• oflice o:if •"• Plctiin1"9 D•pculm.,,t
)(ltOl•J 01 lQ1' 'Jlok• :;:•nwood 5pt•ng1. Colorado
~-••n it.e 1>ov•1 ol a 'JO A. M. o"d S 00 P M., M0t1doy
•hrotJgh Fr·..ioy
rt.ot p .. bl•( """'""'l on""• <11>9l•co11on for •h• obo••
~O<KIOI u •• p.,,.,,, "01 a...,, •• 1 lot •h• "ll 1<Jy ol F.ti ..
119.4 ~t•he"aurolll \~o.m.011heollk•of•l\e&o.ord
ol CotJnlY Comm11•00"•<1 .. n it.e Gorli•ld CO<J"IV Cour·
1t.ouM. Gl-ood Spr1np. Colorado.
•
Cy~thio M. Heub<M
Dept. ol o ....
Gorlield County. Coloroit.
'i
, ~I.a Sif;H-o/ 2uali"1
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R. Glen & Penny M. Sykes
0511 311 Rd.
Silt, CO 81652
Oear Mr. and Mrs. Sykes:
.14802 W 44TH AVENUE
.GOLDEN, COLO. 80401
279-6611
February 9, 1984
Jn confonnance with the rules and regul[;tior:s established by
the Garfield County Board of County Conr-i~s1oners 1 the attachtd
notice is-being sent to you in order to infonn you of the
application of Asphalt Paving Co. to min< aggregate one-half
mile south of Silt, Colorado.
Should you wish to obtair. additior1ol inforniation regarding
this project, you moy cor.toct any of the inoiviaual~ indicated
ir the notice.
JK:nb
.Encl.
-·-'·-"~.,· ------~---------· .:-.. ~r;,-
s1,2,3,and4.
ess in the "RETURN TO" space ...
,(CONSULT POSTllASTER FOR FEES)
1. 'llJC-foqowing :>ervice b requested (check one).
[!f"'S!tow to whoill and date delivered...... __.;
0 Show to whor., date, and address of delivery.. -..IP
a.0 RESTRICTED DELIVERY __.;
(Tiie ~.-dt!Mry /« /J clus'id Ill tlddi1io~ to '-dti! ~ rruipt /re.)
.:f:_. -;/j_' TOTAL. ttil
a; Alrf1Q.£ ADDRESSED TO: ·B.. ~J.£tJ >!-fEIJ/J'f fY\ . .5.'fK!.s
,P:f;;I/ .JI/ /21'.
Si l..T o. 81 S':J.,
4. TlP£ CW BalYICE: ARTICLE NUM8Efl
QREGISTalED 01NSVREO as .. TFED o co• f 'I-o;, 91./1 +&. OEXPRESS MAI.
(Alwap obtain algnature of addreNH or agenl)
I have reccive?_the article described above.
SIGllATUAE ~:P Addressee 0 Authorized agent
Respectfully,
ASPHALT PAVING CO.
d:l~-ea__
Projec. t Manager
PRE~.9T2FOR ~.~,,,i ~lie
:,u 1lj$Ut\/,',~1 ·.>v.' .::-.i •• rr;LJ~IDE!J
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/'.
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//
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/.•
Donald R. Throm and Susan Steiger
0361 County Rd. 311
Silt, CO 81652
Dear Mr. and Mrs. Throm:
14802 W .. ~TH AVENUE
GOLDEN, COLO. 8040 1
279-6611
February 9, 1984
ln confonnance r:ith the rules and re~u1ations established by
the Garfield County Board of County Corm:issioners, the attached
notice is being sent to you in order to infOfm you of the
application of Asphalt Paving Co. to mine aggregate one-half
mile south of Silt, Cclorado.
Should you wish to obtain additional infonnotion regardins
this project, you may contact any of t~ie individuals indicatea
ir, the no~ice.
JK:nb
Encl.
Respectfully,
ASPHALT PAVING CO.
W/ l?lfL_ GtAt~eller
Project Manager
~
."fi.·
te items 1, 2, 3, and 4. p 402 9-Q9 484
RECEJPY Fon Ci.t>""; .f :t.o MAIL our address in the "RETURN TO" space
.-, -(CONSULT POSTMASTER FOR FEES)
t. The following service is reqlleslcd (check one).
£D1;oo~ to whom and date delivered ····-············ -I
, D s~ to whom. date, and address or delivery.. ___s
:t.0·RESTRICTED DELIVERY --'
(flit~ ddi~ry f« il cJuused ill addUion "'
IM "1tu7I rtttip1 f&e.)
TOTAL ~
3. ARTIClE. APDRESSUl TO: .
J:JotJ~i,JJR.. Ti! A ow. .f Sv.sA ,JS. re_; Ct
IJJk/ C.•<-<.iVT') f:.JJ. ,3)(
~rJ...T o ~
&. M '$ADDRESS Co.J~if
T. ~ !IJDEUVER BECAUSE: w-,· ;:_·:
. ;·
~.'C. :~'>--oj:lt~.,;,
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.fJIT1CLE NUMBER
:;.·
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Wednesday, February J. 1984 -Glenwood-Springs(Colo.) POST Page 11
Jl'UILIC NOKE
Tak• Notk• rhat A,,phcrlt PQY•lt<) Ca. 'hOll) OPPli<td tD
•h• Soard oi County CorntniUoO"en. Corlield County.
Slo1• ofColorodo. to '1'""' o ~P.-.:•OI U•• l'&rrr10I ·n con·
PKhon ..,,,h lh• lollow•ng d•tcnb-d prop•tty "luola>d
'" 1h• County of Oorf;•ld. Stat• of Colorado. •o·w•I:
l"9QI 0.1<r1pto0n:
SE''• of !h• Ni''• of S«!ion 10 Ni''•· ~'-'• ANO
SW"• ~1th• Si''• of Stoctiot1 IO; •h• E'.~ ;.I •h• ~w· .• of
W<llon lO, Town1hlp 6 Sot.Ith, 1°"9'f 9'2 W•••. ~lh ft.Al.,,
Garlt.ktt°""'1yi Colorado. : .
Pr~ 0..Cr9tion (loc. with••~ to kith-
.-,. c~ roodl-:tr .. ld9"C-l:
-~ l/2m.-..tflloftNT-ot.Sllt.CGlofodooncf-t
• ofC~aood3't: . ·.
S.ld s,.clolo u .. P.-K i1 to ollow lfw ~ Te~·:
~ pit fft.,. ... land af'd 9fC""sl; 10 OPfiG .. • PQf'-
1obJ. cnphcilt pion I ondo portable <Ofl<f .. • plont on JM
obo..,. d•1cr•bed prop•rty·
All p•rso"' olf•c'Pd b,. rh• ;.>ropu'ttd 'ip.ciol u,.
P•rn•nl or• '""''"d •o app,.or o<'ld \tot• •heor ,. • .,.,,
oJ1<>!•Hll or obi•('10nt If fO" o;on.,01 opp11or ;>41r...,,,olly
1' •~~h •n,.•11ng rh•n 1ou or• "']<td !o •to•• yovr .,._
by '••••r porri<vlorl'J' .! ,.~u ~ove ob1.Ct•ont 10 tu~h
Sp<Kiol U1e P111rn1t <n •h• So.a.rd of Co.,nty Com·
"'"''°~'will 9'"" tO!'l"d•rOl>a<> To 1h• comm.,,11 of
, .. novnding prop..-t,. own•,., ond oth11t1 lffect.d .n
loK1ding whether •o grant Of d..,y •h• •"'tU••I IOI
s1>«1ol vM. fh;. Sl)<9C,lol U1• '"'"""' opploec111on may b•
,.,,,_.., 111 !he offi<• of 11'• "lonrung ~'"'""'
lo(ot•J at 101' 81ak• G1•n""ood 5?""9•· Colo•odo
b•""'••n 1he ho<Jra of 8·00 AM. ond ~COP M., '°'-dO'f
1hra.,9h ~r•doy.
fhol p,,bhc h!l<lr1nw. on th• oppl1co1o0n 11)1' me ...o.,,,.
Special U'• '"'"''' "o• b••n ••' lor th• ]I :Jqy ol F.O ..
l~S. otlh•hourofl! 15o.m.a•lf>•olhc•of•"9Soord
ol County Cornm.n>on..-1, in '"• C.orli•ld Cou.nty (our·
lf>°'1~. Gt..,wood Spnngt.. Calor ...
•
Cy".llhio M. Hevi-.-
D.pt. ofo-.
Oorii•Jd County. Colorodo
•
t.;
•
/
Asphalt Paving Co.
14802 W. 44th Ave.
Golden, CO 80403
Gentlemen:
14802 W 44TH AVENUE
GOLDEN, COLO_ 80401
27Gl-6611
February 9, 1984
In confonnance with the rules arid regulations established by
the Garfield Count_y Board of County Cont~issioners, the attached
notice is being s.ent to you in order to infonn you of the
application of Asphalt Paving Co. to mine aggregate one-half
mile south of Silt. Colorado.
Should you wish to obtain additional
this project, you may contoct an.>' of
ir. the notice.
JK:nb
Encl.
i nfonna ti on regarding
thf intividuals indicated
Respectfully,
..... ~~~=::~~-::-::-=~~~-,
f pnE1~P'°" ~F•~ciE1 ~~L
iJ-~-..,_,;:;~s~u~LT~POSTMASTE;;;;:;;;;iT<RRfiFOfliiiiiFEEFEESS!)~~--i
i 1• 1be followins ~rvicc ii requested (check. one).
U Show kl whom and dale delivered
D Show to whom, date, and address of delivery ..
a..[J RBSl'RJCTED DELIVERY
· :., -(1Jwrat>iclfd_ihlmryfuisduz~ in tlddi1iot1 IO
~ ~~rn nc~•plfte.)
);_.-~-TOTAL
J. Nl'hCU. ADDA£SStO TO:
Asphalt Paving Co.
14802 West 44th Ave.
Golden, CO 80403
ARTJClf. tfUM8Efl
-<
-< _.
4. TYPt: Of SERVICE:
0REOIBTERED D INSURED
Dcu.TFED D coo p 402 969 493
D UlllESS MAIL.
obtain signature of •ddreuee or agent)
I received the article described above.
SIGHA"QIR£ 0 Addressee 0 , u o ·
•'ov , .. :;.c1,..,"''L·• _., •t-... :. ,-,iUV10t:0-
1,(jj (\If\ ,r,r:·.·,.,; Jr,;.~ MAIL
•
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0NV •,-,MN "•,.JN '01 UO!lloe!; JO •/1JN •'11 JO '·,JS
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•YOJ "' ""''·~ •1n 10,>fO<ls 0 jUtufi Oj 'OpllJOt<>J fO •1i:>1s
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"'P•nOdo (10" 'O) 6u!Mlcl llO'fd•v ~'I· •:1110N •>tOJ
1'
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•
Town of Silt
Silt, CO 81652
Gentl enen:
14802 W. 44TH AVf:NUE
GOLDEN, COLO 80401
279-6611
Feoruary 9, 1984
Jn confonnance with the rules and regulc:ions. established by
the Garfie1a County Board of County Conr is.s.1ontrs, the attacned
notice i~ being sent to you in order to inform you of the
application of Asphalt Paving Co. to mine aggregate one-half
mile south of Silt, Colorado.
Should you wis.h to obtain additional iriform;;i1iori regarding
thls. projec.t, y:,;w moy contact any of thE= individuals indiccted
ir, thf nc,! i~e.
Respectfully,
ASPHALT PAVING CO.
1ti~l:~
Project Manager
JK:nb
Encl.
p 402 9-&.9 491
1. The following service ii; requested (check. one).
,~bow to whom and date delivered ....... n ... .
0 Show to whom, date, and address of delivery ..
a.0 RESTRICTED DELIVERY
.-_---~Brratnckd d1/iwry ftt is tluugtd in addiUDll to
dit ~ naiplft•.)
cf;: TOTAL
(Always obtain ~ure of addressee or agent)
I bric received the article described above.
SIONA.,. 0 Addressee 0 Authoriz.ed agent
Q
7. ~JO OEUVER BECAUSE:
~
. Kf:(;UPT fOi; ;,..o.'t°\11t-1ED MAIL
-~-1.,::,UtiA •'-t ,l,,L'1ALi: PXCr·.'IDtO~
NOT FOi! 11' TOt.1;,:..] ·~~,A~ MA.IL
i f--..>U•ola
f--· ~~-~
~Le11>flea F"""
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~:;.,,.,.~:•I D"liv.ir~ f$b __
) ;;--;arlcnod Dt11:v~c~ ;-~,
81 .S.<.,
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:2:. 1 • OT AL f'o1bo1B ~'"· ;-._ !• / . .o.:i-
r~-,~-;'·-·~ J
/
/
'
Wednesday, February l, 1984 -Glenwood Springs (Colo.) POST Pa9e 11
P'Ull.IC.NOflCI
Toke Notic:• •hat A1pholt Poving Co 'h<n) opoli9d to
!h• Boord of County Comm111ion.,.s. Gorl1eld (o.,.,ty.
Sh:;iol• of Colorado. to gron! o ~i;i<Kiol Ute Per'TI•t •n con·
"e<:lton wolh 1he lollow•"9 du1cr•b&d propeny tiluo•ed
1n th• Co...nty al Garfield. i•o!• of Colorado. •o·,..•I:
L•QGI 0.l(nphon:
SE''• of :he Nii'!• of S..:1ion 10. NE''-. NW'lo ANO
SW\'• of 1ke SE''• of S9<''°" 10: thee··, ol •h• sw·,, of
S«tlol't 10, Townthip 6 Sou1h, longe92 West. 61h P.M.,,,
Gorli.kitountvi Colorado. .
Prac;tkat O..Crlptioit (lo<ot.oi, ..... m •np«t to h'*
wo;. C""'Af'J rood. or'4. rMldenc.el:
j. I /l ml .. -..fh of,.. Town of S\lf, Co~odo and_,
• ot County IQOd3ff. , : ;
Sold s,.<W UMP~ it. tooHow th9 '"-tltio-.-To·
,..., pit mifte for tand Grid gtOV~; ro opero:il• • pot·
toM. ospholl plan! or>d o pottob'9 conuete pion! on '"'-
obo-deac.rib<td property.
Ai! pe<1ont ollec•rd !:>.,. •he ~•ol)<.>•-.:1 ~P""""l Ute
Permit ore '""''"d •o ~opeor ond .rot• •he•' •·•w1,
prohnh or ob1ec1<on• •I 1ov coflnor apoecrr ;:i•o0<io•ly
.,, '"'"' m11•11ng_ •h•" 1ov O<ll u'Jed ~o ,1ai11 rour ~;•wo
by 1•11••. pon1cvlor!y J i~v hav• ob1..:ho<1• •o 1uch
Sp«icrl Us• P11r<•"' at •Ile Soard of Cov"l'f Com·
,,.,,,u;Ol\ ... 1 wdf g•v• con1.d11ral•Of' lo lh• cornm .... 11 al
1vrrovl\dirlg proP91"ty OWl\11" Ql\d o•ll11r1 ,,Uect.d 111
-:le<:idin9 wh.in.r 1Q 9f'll\I Of d.ny '"'• '~v••I IOf'
1pe-c•ol vi•. fhlf Sp..:ial UM Pltfm•I opploco1ian may b•
r11vo•w ... at ~ off;c• of '"II Plonn!f>9 Oepo<lm9flt
..acoi•J at 101<1 81ak• Cl11nwood Sp.<<flgl, Colof'ldo
b11tw•-Th• novf1 ot 8 00 A /.A. and~ 00 PM., M.Qo•doy
•hro..,gh f, .. foy
That p"bli< h..:>nn9 on th• 01>9hca11on fQf' t"9 obo~•
~i>«ial U1• P..-m•t nn be.t'> ••I lor •h• ~1 day of F.O ..
~ Q8<1 al 1ne kovr of I! IS a m_ o• •h• ofli<• al •he Soard
ol County Comm11t<on•n, ,.; rh• Gorfi111d County Covr·
!h0"1M. Gl.,,wood Spr1n9', Colorlldo.
Cy".'llhio M. H9t1beft
0.,1. ol o..,,
Godi•Jd Ccrvnl'f, Colorado
P,,bJish.d Febrvo,., I 111'84, <n 1""9 Vl•nwood Peril,
•
•
•
Roy D. & Joyce Keithley
Earl Jr. & Ruth V. Keithley
0878 Miller Lane
Rifle, CO 81650
Dear Keithleys:
14'802 W «TH AVENUE
GOLDEN, COLO 80401
279-e611
February g, lg84
In conforri1ance with the rules and reg.,;lat~ons established by
the Garfield County Board of Cour.ty CoITTr.issiorier5, the attached
notice is being sent to you in order to infom; you of the
application of Asphalt Paving Co. to mine aggregate one-half
mile south of Silt, Colorado.
Shou1d you wish to obtain additional infomation regarding
this proJect, y0u may contact ar.y of the individuals indicated
in th~ notice.
JK:nb
•
Encl.
~~~~~~~-,
i ·'ti'~7~\;it!;;'.,tRNTO":space
I" (COHSULT POSTMASTER FOR FEES) ·
i 1. The following: service is requested (check one).
Jif Show w whom and date delivered .................. .
0 Show to whom, date, and addrQ5 of delivery ..
a.J;l RESTRICTED DELIVERY
,. · (1lwnstric.lftlikli""f}'fNiscltarpi In addition lo ""f'fJM/71 ru:tiptjtt.)
TOTAL
4. TYPE Of' SEflVICE: ARTICLE HUMBER
-· -· __.
0 llEGISTERED 0 IMSUflED ~-Ocoo /i4o:i. 9<,91-88 o ............
(Ahmp obtain etgmbre ot •ddleuee Ol agent)
·~ ' ;;
Respectfully,
ASP~=.TP~ d:I Je'rf'Keller
Project Manager
NU 11.Su!\Al,Cf Cti.~ ;,;, ~ ~n,,,VIDED
t'IOl FOK il..TE'1N"liU:,,:.. MAIL
fi;;~~ U> ~K oi Ji 'f ..:,-i. Kt:TrlTJ:i:'
l_E_d.RJ.. J.£..±.£...LI1L'f •. Kl-'1rH+ <V
,Sube1 .. ,,1~.o T
/, C:f.:.Y""f!J~;kc.~..,...""'"'"
l R.LE~_c.__<2. __ ff! .;,_.s-o
~P\IU•~· I$
11 ::.~.::-:.1·,"-:.~,~;:. . -l----~
i-·oJ<lri~tt><J [)811V8r,· !''"'
r~.;~-:.~ fl .. ~:-.~~:::·.~:._ ----T--
:; ,..,r11nr. ~r.::i Du\~~'""
~ ~9::~::~~'.~!~"-.'~ ~-~:>.~·:;·J·-"r __ _.
~ 1 roTAl Pou .. 11<-.. ,,a F-~~~ : :. J.s
~-/0··8,l
,i
;(
.:,~
Wednesday, February I, 198.4 -Gl•nwood Springt (Colo.) POST
l"UIC.IC NOTIC!
Take Nolie• •'1at A\~olt P<:rving Co. '.hot) appliH lo
•he !Soard ol County Comm>nl(ln ... 1. Garl•eld (oun,.,
Sh:i•e of (olotado. lo 9"lnt o ~~·al U1• Perm•• •n con-
··echon wolh 1h• loUow,.19 de1cr•bed prop•rty 11luo•-.f
1n 11\e Cix<nly ol Garfield. S!at• of Color'l'do. !o-.... •T:
L~I De1<ropt1on:
SE'"• ol lhe NIE''• ot 5e<tio<\ 10. NE'I•. NW't• ANO
SW'" ol •k• )E'" ot Se<110l\ 10: !he E'·, ::ii •he sw·. ol
S.oc:tlon 10, Township 6 South, Can~ 'J2 We,t. 11th I" llil.,
Garii.ld toun,.,.. Coloroda. '
· ,ro<tkQI 0..Crtptiolt (kKIJflon w1!h '"P'KI IO h... t
~-c~ 1oade on4 ... kMnc..i:
~ 1111'111 .. -..thof~T-ol Slit, Colotado andwe.t
-. ofCowity·ltaod.Sn. .-,
kid Spetloi U.-P.,.it J1 JQ-al~ !ht '"-tit._ To·
op9<l pit mifl9 for tond ONf ~. 10 Ope<'Cll• a p«-
lob .. 01pholt pion I QOd a PeNtoh'-coft(r..ie plant oot !h.
abo..,. <l••crib.d prop.rty.
All p<trtonl <1lfotc't>d by the :i•o?O•ed ;p,.ciol <J••
Pe•m•t ore ••W•ltod •o ·01>P'of<>f o"d ""'• . ..,,.,, ,, ..... ,.
P1'1!•11• or ob111.:t1of1• if rou """""' oop .. or ;i•r\O<"o<l'I'
.:JI 1Uch m,.•'"'9-'""'"'""or• '"'l~ 'o 1!<Jt<1 ~our" •w11
by 1.,11•r. par!.culor!y .I , '" hov• QOi•<:t•on1 ro 1udt
Special UH P.rm•I <1' ·l'I• lkl<ird of Couniy Com·
miu'°n.,.11 .,.,JI g•v• coot.J•rato<>n •o In• comm.,.111 of
'"rrounding prop..-iy ownert o<'d "'""" JH.,.red in
J.codin9 whe..,.r •o gral\I or d"'"'I' •he r-.q11e1t tor
•!)«•GI use. fh~ Spe.;iQI VI• p.,,.,.,, oppl•COlian ,.,.,., b•
, .. ,.., • .,..,o ol •he ollic• of '"• Plonno"'I 0.potlm-r
loco1•J Qf 2014 81ok•-C-:•nwood Spt"'91. Color<1do
b•tw•-1k• ho11t1 ol 6 00 .<t..M. ond S 00 PM., MOt1doy
lhro.,gh Fr·doy.
Thol pub Ir< h•<>r•n~ on th• opploco11on for 1he obo••
'ip«ool U•• P"1'm•t ho1 b..,. u1 tor •h• 21 ?oy ol F.t> ..
19EM ot rh• hcur of 11 15 g,,n_ ot •h• ornc• of •tt. Soard
ol C<1•J1\ty Commill+o,.HI, ira •he Garfi•ld CO<Jnl'y Cout•
!houi.-. GI-wood 'jpnngt. Colorado,
Cynthia M. Heu~
o.p1. 010-.
Gorli•ld County, Colorado
P\iblid1..:J February I. l ~. •n 11-M G1•nwoo4 Po1t •
•
Pagett
•
Leonard A. & Marie M. Davis
Danny J. & Kelley K. Davis
6533 County Rd. 214
Newcastle, CO 81647
Dear Davis 1 :
14802 W 44TH AVENUE
GOLDEN, COLO 8040 1
279-6611
February 9, 1984
ln confQnr1ance with th~ rules and regulations established by
the Garfielc -::.our.ty Board of Cour,:y Com::issior1ers, the attachea
notice is bting sent to you in orcer to ir:fonri you of the
application of Asphalt Pilving Co. to mine aggregate one-half
mile south of Silt. Colorado.
Should you wish to obtain additional information reaardinq
this project, you may contact ar1j of th~ ir,d-1vidua15 indiCotec ir. the notL.f.
JK:nb
Encl.
e SENDER:: Complete items , 2, 3, and 4.
,, ':-·Addyouraddr inthe"RETUANTO"space .~ -<-! on revers
(CONSULT POs'TVASTER FOR FEES)
1. 'The follt;Ywing r.crvicc is rcqllCSted (check or.:). ,B'..*-to wbom and date delivered .................... ___,_,q
0 $MlW U> whom. date, and llddreu of delivery.. -t
a Q ·~CTED DELlVERY
' "(Iii Ml'ricfftt dd1~ry /tt U. diarged (11 oddirwn llJ
-<
• ,..,,,, reqipl /ft.)
C.:" TOTAL ~
( Qbtlln 11gnature of addretiaee or agent)
I have niccivcd the article di:scribed above.
SKifMTVRE p Addressee 0 Authorized agent
"""""'"
Respectfully,
ASPHALT PAV~ ,~(f-;0
:%.(fl(ell er
Pru,:e:.:t Manager
p 402 \pg 490
FlEC.E;FT F011 ,__ t:r> ~ . ~ 1 !:D MAii..
I;,__. ,:,5;_,1-:t.-,.:-.,,. rr'.;,NIDEO-
~OT ~Vi·, ".(; ... -, J\AL MAIL
,/
,/
Wednesday, February t, 1984 -Glenwood Springs (Colo.) POST Pat• 11
PUlllC NOTICE
Take Notice ltlot "•phalt P<rting Co. hot) oppli" ta
•h• &<lord al County-Corn,,..,uion..-1 Gort;eld (<><mry
~to•• of Colorado, to 9ronl o SP4<•ol V•• ?1Hm1t •n con.
<.e<han ,,..,th •he follow•"9 jetcnbed prcpe<ty 11luo•.d
"'the County ol Garfield. S101e ol Colorado, 10.,,..11:
•"901 De1criphon·
~E"• of 11\e Ni'/• of SKtion !0. NE"•· NW't• ANO
~W"• o>I •he Si''• of ~-.;1100 10: •he E''• of th• )W'. of
""''Ion 10, Town•hip6South,10f>ge92 w .. 1. ~1h P olil.,
Gorfi.ld County\ Colorodo.
PtO(rkOI 0-rlption (loc;crtion with rnpec:114 hlfho
WOif. c-r, roodt~r"id.nc"):
I :'2 miletoythof th• TOWll of.Siii, Colorodo and w•Y.
olC~ltoadlll.
Scald ~ u .. Pent!H ;. to allow IM '"-'ltiOfow 1'o ·
099'! pit min-9 kw 1ond and 91VV"; to operai. 11 pot-
1oble 01pholl plant ood o PQt'taOle concrete plOlll on tt..
A,11 P""""' <tlfot<•f'd !ly •he propoHd •>p•><•Ol \J•e
1'erm1t ore ,•W•lfld "' 01)1><1ar ond ""'" ·tiu.r .. ew•.
~,01.,tt• or ob1<1<"0"~ .I 10" ~"""<>' opp•a• ::0•110<>0!l'f
1• "":n ""ehn9_ '"•" '0" ~•• "''J..::I 'O '"''~"'"''•••wt
~Y '•11•r pomcvlo•lv I 1 ~u l>m1e :ib1..:11on, •o •1<~h
~pe<1ol U•• '"'"''' Gl •h• Soard of Cau"ry COl'!'I·
'"''";0'""" w.I! g••• con•Mie<ol1on •o '"• <omm•111t of
wrrov,,dong prop•r!y o,,..n•r1 a"d .,,,,,.,. ·Jlfttted ·n
.jK1d1119 wh•tn.r •o g•o"I Of 1•ny •he '&quetl lot
,p..:101 ,.., •. rh .. ipe.:101 U1• P'OHmd oppl1co11on "'""'be
••v••w<ld al th• o!lic• of 11'-e !'lo11n"'9 0.PQflm..,t
iQCQteJ gt 201' •lok• G:enw<Wd ~p.< "!I•· Cola1ado
oelw•H" th• hov•• ol 8 00 A. M. 0<1d 5 00 P '.!.., Mondo.,.
1hro..,gl> Fr·Jo1.
fho! p-.blt( ;,~,;~q on the opphcotion for rh• abo~e
~pee1ol Us• P••m•I ""' b••o UI fo, tk• ll iay ol f'.b ..
: <18' ~f !he hov' of 11 l 5 o "'· ot •h• otl.ce of the Soard
al Co1mty-Comm111oonen, in the Gorfi•ld C0<.1nty Covr·
th0<.1~. Glenwood 5pr1ngs. ColoraOo.
•
Cy<1th;a M. H.ub.ti
Oept.ofo-.
G,,rlield Counry. Colorado
•
Valley Farms, Inc.
Box 248
Silt, CO 81650
Gentlemen:
14802 W 44TH AVENUE
GOLDEN, COLO 80401
279-6611
February 9, 1984
In confomiance 1-'>ith the rules anC regulotior.s established by
the Garfielc: County Board of County Co1TJt:is~1oners, tne attachtd
notice is being sent to you in order to infom. you of the
applicatior. of Asphalt Paving Co. to mine aggregate one-half·-'
mile south of Silt, Colorado.
Should you wish to obtain additional infom.iltion regarding
triis project, you may contdct any of thE individuals indicated
it, the notice.
JK:nb
• --~~;.·. Encl.
·' ! f 81Q1DER: Complel ,terns 1, 2. 3, and 4. i ,:;_ :'·. _..;..o__ Add f adclressinthe "RETURN TO" space
~ ·f''·~'~ on raverse.
jij' , ·.· -·· .. (CONSULT POSTMAS1£R FOR FEES) i i'The rOuowing service is requesicd (check one).
~Show to whom and date delivered .. -' ·._ q sm;w to whom, date, and addr5S of delivery.. _¢
1. n RESTRICTED DELIVERY ~(711; Ntricud dtliw:ry /~ts chargtd in addi110n 10
, __ -#$A(~" "ctipl /~e.) /' '/t' TOTAL !Lil
(AtlNYI obtatn llgnature of addressee or a9«1nt)
l ha~ received the article described above.
&1Gti~TURE 0 Addrc:ssec D Authorized agent
TO Dt:U'IEA BECAUSE:
Respectfully,
ASPHALT PAVING CO.
/~·· ~d&~ ~IL/
c,/Je f hell er
Project Manager
Nu liiSURA.:.ct ClhE··,;.·,r ~flOVIDEO
NOT FOR INTLiU11AT.m1AL MA.IL
{Si'o J..,, .-r,e ·
//
/I
Wednesdoy, February l, 1984 ~GlenwoodSprings (Colo.) POST Pa .. 11
l"UIM.IC NOT1CI
Tok• Noli<• that A'phatt Pavin9 Co ""-o•) oppll.d IO
•h• Bo<1rd ol County Commiu>o,,..-1. 0orl1•ld Coonty.
S!<J•• c;of Colorado. to <Jront <1 Sv-c•ol U•• .,.,.mot •n con-
,,.., ho., w11h >h• lollowing dMcrtb..-d prop•rty t11<.101.d
rn rh•Counly ol Gorli•ld. Star• otCo!orodo. •o·.,.•I:
l•gal O•Kr•phon:
SE.''• of It>• Nfi•,;, of S«lion 10. Nl~'•· NW'-'• ANO
SW"• ol 1h• Si'·'> of Section 10: 1h• e·.~ of •h• sw•,, of
S.Ctlon 10, Townthlp6 South, lon9*92 Wu1. bl/1 P At.,
Garlt.ld i::ounf)'\ Colorodo.
Proctket 0-Crlption (loccn~ with rff~I to hlfho
way,CowntytoodeoncffM!d.icMJ! .
·1 111 mlle-,ithof!MT-of$llt, Cofo,odoandw"t
# of COi.iniy IGadlll.
kid $pKlol u .. P.,..M l• tQ ~&ow tM '-tff~ To···~
~ pit "'ift9' kw 10tld Ql'td tfVY .. ; lo O?<'tOI• • pot-
. 1obi. osphalt plont Ofl(f II pouobi. conuete Pion! on the
Al! perwn1 alf<t<1ed by >11• ;"OP<>Hd Sp1t(1ol U••
P•rm•I <><• .n~•t'"d !o OP9•o• <>nd 1101• •i..e,r "•w1.
010!•1'' or ob1ot(!10n• •f rou ~o••"o' OQP•Or ;;o.r'>onol!y
~11uch "'"•hn<j. """" rou orot ~qotd ~o l!o!• '"'"' •••w1
bv l•!!•r. pomculor!y .I rou ho~• ob1ec••Ollt •o tuch
Soe<:1ol U1• f'•rm•I o• •h• &o.ard of Counly Cvrn·
m"tooo•r• ,..,u 9•~• con•;d•rOl•ort to II•• 'omm..,11 of
•ul•ounding prop..-ty own•o ••"d 01h9r1 ~fl«l.d .,.,
d<t(l<;lil'l9 wh•tfl•r •o 9ront of d•l'I!' •h• t.-qu•tl lor
•P«•OI ""'· Th,. SP*Oaf Uw P'.,.m•I opplocotion moy b•
• •v<•w..d ol m. oAk.9 of .... P'lonn1"9 O.poi1m ... 1
lQ<oreJ ot 201' 81ok•. c:.,,·,..ood Sp11n91. Colorodo
betw..., •h• 1>our1 ol 8·00 A M. 'Jnd $ 00 PM., Monday
•hroC<gh F"doy.
fliol p~bloc h.arin9 on th• <>whc01ion for 11>• obov•
S~·ol U•• Permit ho1 0...... u1 for th•ll doy .,1 ~fl).,
1984 al !h• hour of 11 I' o.m. Qt th• Qllic• of th• Boord
of (O<Jnty Commiu•onfft. •n r~• Vorli•ld County Cour·
Thou ... Gl-ood ~pnn~. Colorado.
Cy".'thia M. H*Uti.ft
~.010-.
Gorl••ld Coonty, Colorado
Publitkeod F.-bruory I 19&1, in th• Gl•nwood Pait .
•
.. . f
',~
•
11!11 . lliOe. ----
Planning Area of Influence
COLORADO DEPARTMENT OF HEALTH
Water Quality Control Division
4210 East l 1th Avenue -
11QfJ?!fQJ n:~;? Denver, Colorado 80220
TYPE OF PERMIT:
SIC NO:
LOCATION:
CONTACTS:
RECEIVING WATER:
CLASSIFICATION:
RATIONALE
ASPHALT PAVING COMPANY
SILT PIT
PERMIT NUMBER: co-0038962
GARFIELD COUNTY
Minor Industrial -New
1442, 2951
' . ' ' i
In Section 10 1 Township 6 South, Range 92 West, approx-
imately 1/2 mile south of Silt, Colorado.
Robert E. Lemke (Legal Contact)
14802 w. 44th
Golden, CO 80401
(303)+279-6611
Rindahl & Associates (Local Contact)
P.O. Box 24166
Denver, CO 80222
(303)+692-0922
Colorado River, Malnstem, upstream of confluence with
Parachute Ck
. Bl
DESIGN FLOW: Dewatering at 600 -1200 gpm
FACILITY DESCRIPTION: The facility is a sand and gravel operation near Silt,
Colorado. An asphalt plant and a concrete mixing
plant are located at the east side of the property.
Crushing and screening of the material will also
take place at the site.
The principal products are sand, gravel, asphalt and
ready -mixed concrete.
Extraction will proceed through five phases.
page 15 of the permit) It is estimated that a
discharge point will handle dewatering during
phases. The expected life of the activity is
years.
(See
single
a 11
l 0
This permit covers the discharge of settled pit water.
No processes at the site generate wastewater.
COLORADO DEPARTMENT OF HEALTH
Water Quality Control Division
Rationale -Page 2
PERMIT NUMBER: co-0038962
WASTEWATER CHARACTERISTICS & TREATMENT
As previously mentioned, wastewater will consist solely of pit water.
Treatment will consist of sett\ ing prior to discharge. The pond ca-
pacity is 472,000 gallons, Dewatering is estimated to occur at a rate
of 600 -1200 gpm.
Discharge point 001 shall be the outfall from the dewatering pump prior
to mixing with the Colorado River, Samples for compliance monitoring
shall be taken at this point.
No water qua\ ity data for the effluent is available at this time since
no mine water has been encountered,
EFFLUENT LIMITATIONS & BASIS OF LIMITATIONS
Parameter L imitations Basis of Limitation
Flow (MGD) NA Monjtor Only 2 pH (s.u.) 6.o -9,0 SES and B~T
TSS (mg/1) 25(30 -day ave.) BEJ of BAT
4S(Daily Max.)
Oil & Grease (mg/1) 10 SES
Salinity NA Monitor Only
1SES -State Effluent Standards
2 BPT -Best Practicable Technology Currently Available
3BEJ of BAT -Best Engineering Judgment of Best Available Technology
Economically Achievable
The facility is classified as a primary industry in the Mineral Mining and
erocessing Point Source Category, Subpart C (Construction Sand & Gravel)
and, as such, is subject to the Federal Effluent Guidelines for that
category.
The status of the categorical guidelines at this time is that BPT has
been promulgated and covers pH only: there are presently no BAT guide-
1 ines published. Permits written to expire after 7-1-83 must contain
1 imitations based on BAT. Thus, best engineering judgment was used to
set BAT 1 imits for TSS.
In addition to Federal Guidelines, the State Effluent Limitations (10.l .4)
also apply. This affects the permit with regard to oil and grease 1 imits.
The State Effluent Standard for pH is 6 - 9 which is equivalent to BPT.
COLORADO DEPARTMENT OF HEALTH
Water Quality Control Division
Rationale -Page 3
PERMIT NUMBER: co-0038962
Special Permit Conditions
1. SPCC Pl an-
A spill Containment & Countermeasures Control Plan is a requirement of
this permit and is detailed on page 6.
2. Salinity
In comp! iance with the "Regulations for Implementation of the Colorado
Salinity Standards Through the NPDES Permit Program", the Permittee
shall sample for salinity in the wastewater effluent on a monthly basis
until six samples have been analyzed. Thereafter, monitoring shal 1
continue on a quarterly basis. The Division will review the first
six months of data and determine if a waiver of numeric limitations can
be granted based on the salt-load to the river being less than one ton/day
(or 350 tons/year). If a waiver is not granted, then the permittee has
an additional six months to submit a report in accordance with the Salinity
Regulations, addressing economic feasability of salt-removal.
3. One -Time Monitoring
In addition to the ongoing monitoring requirements on page 3, one -
time monitoring for certain additional parameters is required. (See
page 5).
The permit shall expire on March 31, 1987.
Sandy Squire
January 14, 1982
New
Permit No. C0-0038962
County: Garfield
AUTHORIZATION TO OISCHARGE UNDER THE
COLORADO DISCHARGE PERM IT SYSTEM
In compliance with the provisions of the Federal Water Pollution Control
Act, as amended (33 U.S.C. 1251 et. seq.; the "Act"), and the Colorado \later
Quality Control Act (25-8-101 et. seq., CRS, 1973 as amended)
Asphalt Paving Company
is authorized to discharge from. their Silt Pit.
located in Section 10, Township 6 South, Range 92 West, approximately
~miles south of Silt, Colorado
to the Colorado River
in accordance with effluent limitations, monitoring requir~~ents and other
conditions set forth in Part J, 11, and 111 hereof.
This permit shall become effective thirty (30) days after the date of
receipt of this permit by the Applicant. Should the Applicant choose to
contest any of the effluent limitations, monitoring·requirements or other
conditions contained herein, he must comply '"ith Section 24-4-104 CRS 1573
and the Regulations For the State Discharge Penni t System. F'ai lure to
contest any such effluent limitations, monitoring requirement, or other
condition is consent to the condition by the Applicant.
This permit and the authorization to discharge shall expire at midnight,
March 31 , 1987
Signed tnis day of
COl.ORADO OEPARTMENT OF HEAi.TH
Gary G. Broetzman
01 rector
\later Quality Control Division
5/81
5/81
A. EFFLUENT LIMITATIONS ANO MONITORING REQUIREMENTS -SEE ANY ADDITIONAL REQUIREMENTS UNDER PART Ill.
During the period beginning immediately and lasting through March 31, 1987
is authorized to discharge from outfall(s) serial numbers(s) 001
1. Effluent Limitations (Gravel Pits)
Effluent Parameter Discharge Limitations
the permi ttee
Maximum lfoight
kg/day (lbs/day)
Maximum Concentration
mg/1 mg/1
30-day avg. a/ Daily max. b/ 30-day avg. a/ Daily max. cl
Flow -(MGD) N/A N/A N/A
Total Suspended Solids N/A N/A 25
Salinity N/A N/A N/A
Oi 1 & Grease shall not exceed 10 mg/l nor shall there be a visible sheen£!.
The pH shall not be less than 6.0 standard units nor greater than 9.0 standard units c/
N/A
45
N/A
Ther-e shall be no discharge of floating solids or visible foam in other than trace amounts. If a visable sheen
or floating oil is observed, corrective action shall be taken immediately.
a/ This 1 imitation shal 1 be determined by the arithmetic mean of a minimum of three (3) consecutive
samples taken on separate weeks in a 30-day period (minimum total of three (3) samples);
b/ This limitation means the total discharge by weight during any calendar day, as determined by an
8-hour composite sample.
cl This limitation shall be determined by a single properly preserved sample as required under
monitoring requirements -Sample Type.
2. Any untreated overflow which is discharged from facilities designed, constructed, and operated to
contain or treat as applicable all process generated wastewater and the surface runoff to the treatment
facility from a 10-year, 211-hour precipitation event shall not be subject to the limitations set
forth in this section. The 10-year, 24-hour precipitation event for this facility is 1.6 inches. The
official precipitation gaugestation identified with the facility shall be the Rifle Station,
Index No. 7031
The permittee has the option of operating and maintaining a precipitation gage at the facility.
Discharges shall be limited to: 1) Mine Watering
,, ,, ,,
(\) .. )> ., "' ,, 3 (\) -I
rt "' -
zo
0 ....
h-
o "' I a a ._,
C•:>
V>
°' "'
1-81
PART I
Page 3
Pennit
of 16
No: co-0038962
A. EFFLUENT LIMITATIONS ANO MONITORING REQUIREMEUTS (Continued)
2. Monitoring Requirements
In order to obtain an indication of the probable compliance or
noncompliance with the effluent limitations specified in Part
I, the permittee shall monitor all effluent parameters at the
following required frequencies.
Effluent Parameter Measurement Frequency 2/~ Samele Type !!
Flow (MGD) Weekly
Instantaneous
or Continuous
pH ( s. u.) Weeki y Grab
Tot~l Suspended Sol ids (mg/1) Monthly Grab
Oil and Grease (mg/ 1) Weeki y Visual or Grab
Salinity W Quarterly h/ Grab
Self-monitoring samples taken in compliance with the monitoring requirements
specified above shal 1 be taken at the fol lowing location(s): 001, the
pumped outfall from the pit area.
d) Monitoring is required only during periods of discharge. If "no
discharge" occurs, this shall be reported at the soecified frequency.
(See Part B.)
e) When the measurement frequency indicated is quarterly, the samoles
shall be collected during March, June, September, and December if
a continual discharge occurs. If the discharge is intermittant, then
samples snal I be collected during the period that discharge occurs.
f) See definitions, Part 8.
g) Salinity shall be measured as Total Dissolved Solids
trical conductivity where a satisfactory correlation
established based on a minimum of five (5) samples.
taken at the permitted discharge point.
(TDS) or elec-
with TDS has been
Samples shal 1 be
h) Salinity shal 1 be sampled on a monthly basis until six samples have
been analyzed. Thereafter, monitoring shall continue on a quarterly
basis. Following submittal of the first six months of data, the Division
shall determine eligibility of a waiver of numeric limitations based on
salt~loading, If a waiver is not granted, then the permittee has an
additional six months to submit a report addressing salt removal in ac-
cordance with Regulations 3. 10.0 -3.10.5 and Appendix A.
3/81
8. MONITORING ANO REPORTING
I. Representative Sampling
PART I
Page 4 of 16
PERMIT NO: C0-0038962
Samples and measurements taken as required herein shall be representative
of the volume and nature of the monitored discharge.
2. Reporting
Monitoring results obtained during the previous 3 months shall be
summarized for each calendar quarter and reported on applicable
discharge monitoring report forms (EPA Form 3320-1), postmarked no
later than the 28th day of the month following the completed quarter.
For example, for the !st quarter (January, February and March) the
report would be mailed on or before April 28. If no discharge occurs
during the reporting period, "No Discharge" shall be reported.
Duplicate signed copies of these, and all other reports required
herein, shall be submitted to the Regional Administrator and the
State at the following addresses:
Colorado Department of Health
Water Quality Control Division
Monitoring & Enforcement Section
4210 East 11th Avenue
Denver, Colorado 80220
3. Definitions
U.S. Environmental Protection Agency
1860 Lincoln Street -Suite 103
Denver, Colorado 80295
Attention: Enforcement -Permit Program
a. A "composite" sample, for monitoring requirements, is defined as a
minimum of four (4) grab samples collected at equally spaced two (2)
hour intervals and proportioned according to flow.
b. A "grab" sample, for monitoring requirements, is defined as a single
"dip and take" sample collected at a re'presentative point in the
discharge stream.
c. An 11 instantaneous 11 measurement, for monitoring requirements, is defined
as a single reading, observation, or measurement using existing monitor-
; ng faci l it i es.
4. Test Procedures
Test procedures for the analys·is of pollutants shal I conform co regulations
pub! ished pursuant to Section 304 (h) of the Act, and Colorado. State Effluent
Limitations (10. 1.4), under which such procedures may be required.
5. ~ecording of Results
For each measurement or sample taken pursuant to the reauirements of this
permit, the permittee shal I record the fol lowing information:
a. The exact place, date, and time of sampling;
b. The dates the analyses were performed;
c. The person(s) who performed the sampling;
1/81
PART I
Page 5 of 16
Permit No: C0-0038962
d. The person(s) who performed the analyses;
e. The analytical techniques or methods used; and
f. The results of all required analyses.
6. Calculations for al 1 I imitations which require averaging of
measurements shall utilize an arithmetic mean unless otherwise
specified.
7. Additional Monitoring by Permittee
If the permittee monitors any pollutant at the location(s) designated
herein more frequently than required by this permit, using approved
analytical methods as specified above, the results of such monitoring
shall be included in the calculation and reporting of the values
required in the Discharg~ Monitoring Report Form (EPA No. 3320-1),
or other forms as required by the Division. Such increased frequency
shall also be indicated.
8. Records Retention
Al I records and information resulting from the monitoring activities
required by this permit including al I records of analyses performed
and calibration and maintenance of instrumentation and recordings
from continuous monitoring instrumentation shall be retained for a
minimum of three (3) years, or longer if requested by the Regional
Administrator or the State Water Qua I ity Control .Division.
9. Special One-Time Monitoring
At the first instance of discharge, grab samples shall be taken and
analyzed for the following parameters:
pH ( s. u.)
A I ka I in i ty (mg/ I )
Tota 1 Suspended So 1 ids (mg/ 1)
Oil & Grease (mg/1)
Total Dissolved Solids (mg/1)
l '
Results shall be submitted to the Permits Section, Water Quality
Centrer Division, within 14 days of receipt.
C. SPILL PREVENTION ANO CONTAINMENT PLAN
PART 1·
Page 6 of 16
Permit No.co-0038962
The permittee shall, within sixty (60) days after the effective date of·this permit,
submit to the State Water Quality Control Division, a spill prevention and
containment plan, prepared by a professional engineer registered in the State
of Colorado. Plans shall include information and procedures for the prevention
and containment of spills of materials used, processed, or stored, at the
facility which could possibly be spilled and might have a visible or otherwise
detectable impact on the waters of the State. The plan should include but not
necessarily be I imited to the following:
1. A history of spills which have occurred in the three (3) years preceeding the
effective date of this permit. The history shal I include causation of the
spills and a discussion of preventive measures designed to prevent them
from reoccurring;
2. A description of the reporting system which will be used to alert responsible
facility management, the State Water Quality Control Division, the
Environmental Protection Agency, downstream water users, and local health
officials;
3. A description of preventative facilities (including overall facility plot)
which prevent, contain, or treat, spills and unplanned discharges;
4. A list of all materials used, processed, or stored, at the facility which
represent a potential spi 11 threat to surface waters;
5, An implementation schedule for additional facilities which might be required
in (3) above, but which are not yet operational;
6. A list of available outside contractors, agencies, or other bodies which
could be utilized in the event of a spill in order to clean up its effects;
7.' ·Provision for periodic review and updating of the contingency plan.
The foregoing provisions shall in no way render inapplicable those requirements
imposed by Section 311 of the Federal Water Pollution Control Act Amendments of 1972,
regulations promulgated thereunder, the Colorado Water Quality Control Act, and
regulations promulgated thereunder.
Nothing herein contained shall be construed as allowing any discharge to waters of
the State other than through the discharge points specifically authorized in this
permit. Nothing herein contained shall be construed as waiving any liability the
permittee might have, civi I or criminal, for any spi I I.
If this facility has an approved spill prevention and containment plan now in effect,
please submit a copy of this plan with an update, if necessary.
212177
PART 11
Page 7 of l 6
Pe rm i t No: C0-0038962
A. MANAGEMENT REQUIREMENTS
1.
2.
Change in Discharge
Al I discharges authorized herein shall be consistent with the terms
and conditions of this permit. The discharge of any pollutant
identified in this permit more frequently than or at a level in
excess of that authorized shall constitute a violation of the permit.
Any anticipated change in discharge location, facility expansions,
production increases, or process modifications 1·1hich l"iill result
in new, different, or increased discharges or pollutants must be
reported by sub:nission of a new NPDES application or, if such changes
1·1ill not violate the effluent limitations specified in this permit,
by notice to the State Water Quality Control Division of such changes.
Process nodi fications include, but are not limited to, the introduction
of any ne1"1 pollutant not previously identified in the permit, or any
other modifications v1hich may result in a discharge of a quantity or
quality different from that v1hich was aoolied for. Folloviing such
notice, the pcrC"it c1ay be modified to specify and limit ony pollutants
not previously I iroi ted.
Noncompliance
(A) Definitions
(1) Upset: An exceptional incident in 1·1hich there is unintentional
and temporary noncompliance with technology-based permit
effluent I imitations because of factors beyond the reasonable
control of the perc·,i ttee.
(2) Bypass: The intentional diversion of >Vaste streams froc·· any
port ion of a treatment f~ci l i ty.
(3) Severe Prc;)ert'/ Damage: Substuntio) physical d.Jin.J~Je tc orooer~y.
to the treatment faci Ii ties to cuuse them to become inoperable, or
substantial and pernanent loss of natural resources which ca~
reasonablv be expected to occur in the absence of a bypass. It
does not ··1eon econoniic Joss caused by delays in producti-:Jn.
( B) ~Jot i f i cation
(1) If, for any reason, the permittee does not co01piy v1ith or will be
unable to cor:ply \·1ith any maximur.-. discharge l ir.itations or
standards specified in this permit, the permittee shal I, at a
rnini01u,,,, provide the \.Jater Qua I ity Control Division and EP.A. '.·1ith
the fol lowing inforr.1ation:
a) A description of the discharge and cause of noncompliance
b) The period of noncompliance, including exact dates and tir:es
and/or the anticipated tir.ie ~·1hen the discharge ·.-1i l 1 returr: to
cor1;J 1 i a nee: and
cj Steps bein9 taken to red:..ice, eliminate. :J;iC ore 11er.t rec·~::-:·.:=r•.::e
of t~e noncomolyi11g dlsc!iarge.
1 /31 t~Ot/ FEEDLCT
1/81
PART 11
Page 8 of 16
Permit No: C0-0038962
2. Noncomoliance (cont'd)
(2) The fol lowing instances of noncompliance shal 1 be reported orally
within 24 hours from the time the permittee becomes aware of the
circumstances, and a written report mailed within five days of
the time the permittee becomes aware of the circumstances:
a) Any instance of noncompliance which may endanger health or
the environment
b) Any unanticipated bypass which exceeds any effluent limitation
in the permit
c) .J\ny upset which exceeds any effluent limitation in the permit
(See Fed. Reg. Vol. 45, No. 98, 122.60 (h) for upset conditions)
d) Daily maximum violations for any toxic pollutants or hazardous
substances 1 imited in PART I-A of this permit.
(3) The permittee shall report all instances of noncompliance not
reported in "Notification", paragraph 2-(8)-(2) (above), at the
time discharge monitoring reports are submitted (EPA Form 3320-1).
The reports shall contain the information listed in "Notification",
paragraph 2-(B)-(1) (above).
(4) Where the permittee becomes aware that it failed to submit any
relevant facts in a permit application, or submitted incorrect
information in a permit application or report to the Division,
it shall promptly submit such facts or information.
(C) Bypass
( r) The permi ttee may a 11 ow any bypass to occur which does not cause
effluent limitations to be exceeded, but only if it also is for
essential maintenance to assure efficient operation. No Division
notification is required, and this case is not subject to the
requirements in paragraphs 2-(C)-(2) through 2-(C)-(4), (below).
(2) If the permittee knows in advance of the need for a bypass, it
shall submit notice, if possible at least ten days before the
date of the bypass, to the Division and the Environmental
Protection Agency (EPA). The bypass shal I be subject to
Division approval, and limitations imposed by th~ Division and EPA.
(3) For an unanticipated bypass, see the requirements listed in
"Notification", paragraph 2-(B)-(2), (above).
(4) Bypass is prohibited, and the Division may take enforcement
action against a permittee for bypass, unless:
a) Bypass was unavoidable to prevent loss of 1 i fe, personal
injury, or severe property damage;
1/81
PART 11
Page 9 of 16
Permit No: C0-0038962
2. Noncompl lance (cont'd)
b) There were no feasible alternatives to the bypass, suc.h as
the use of auxiliary treatment facilities, retention of
untreated wastes, or maintenance during normal periods of
equipment downtime. This condition is not satisfied if the
permittee could have installed adequate backup equipment to
prevent a bypass which occurred during normal periods of
equipment downtime or preventative maintenance; and
c) The permittee submitted notices as required in
"Not i fi cat ion", paragraph 2-(B) (above).
3. Removed Substances
Solids, sludges, filter backwash, or other pollutants removed in the course
of treatment or control of wastewaters shall be disposed of in a manner such
as to prevent any pollutant from such materials from entering waters of the
State.
4. Facilities Operation
The permittee shall at all times maintain in good working order and
operate as efficiently as possible all treatment or control facilities
or systems installed or used by the permittee to achieve compliance
with the terms and conditions of this permit.
5. Adverse Impact
The permit tee shal I take al I reasonable steps to m1n1m1ze any adverse
impact to waters of the State resulting from noncompliance with any
effluent limitations specified in this permit, including such a::celerated
or additional monitoring as necessary to determine the nature and impact
of the noncomplying discharge.
6. Any discharge to the waters of the State from a point source other than
specifically authorized is prohibited.
7, Reduction, Loss, or Failure of Treatment Facility
(A) The permittee shall, to the extent necessary to maintain comp! iance with
its permit, control production, or all discharges, or both until the
facility is restored or an alternative method of treatment is provided.
(B)-This provision also applies to power failures, unless an alternative
power source sufficient to operate the wastewater control faci I ities
is provided.
PART 11
Page 10 of 16
Permit No:C0-0038962
8. RESPONSIBILITIES
1/81
1. Right to Entry
The permittee shall allow the Director of the State Water Quality Control
Division, the EPA Regional Administrator, and/or their authorized repre-
sentative, upon the presentation of credentials:
(A) To enter upon the permittee's premises where a regulated facility or
activity is located or in which any records are required to be kept
under the terms and conditions of this permit;
(B) At reasonable times to have access to and copy any records required to
be kept under the terms and conditions of this permit and to inspect
any monitoring equipment or monitoring method required in the permit; and
(C) To enter upon the permittee's premises to reasonably investigate any
actual, suspected, or potential source of water pollution, or any
violation of the Colorado Water Quality Control Act. The investigation
may include, but is not limited to, the following: sampling of any
discharge and/or process waters, the taking of photographs, interviewing
of any persons having any knowledge related to the discharge, permit,
or alleged violation, and access to any and all facilities or areas
within the permittee's premises that may have any affect on the
discharge, permit, or alleged violation.
2. Duty to Provide Information
The permittee shall furnish to the Division, within a reasonable time, any
information which the Division may request to determine whether ~ause
exists for modifying, revoking and reissuing, or terminating this permit,
or to determine compliance with this permit.
3. Transfer of Ownership or Control
In the event of any change in control or ownership of facilities from which
the authorized discharges emanate, the permittee shall notify the succeeding
owner or controller of the existence of this permit by letter, a copy of
which shall be forwarded to the Regional Administrator and the State Water
Quality Control Divis ion.
4. Availability of Reports
Except for data determined to be confidential under Section 308 of the Act
and Regulations for the State Discharge Permit System 6.1.8, a!l reports
prepared in accordance with the terms of this permit shall be available for
public inspection at the off;ces of the State Water Quality Control Division
and the Regional Adninistrator.
As required by the Act. effluent data shall not be considered confidential.
Knowingly making anv raise statement on any s•1ch report -nay result in the
imposition of criminal penalties as provided for in Section 309 of the Act.
and Section 25-8-610 •:.R.3. 1973.
PART 11
Page 11 of 16
Permit No: co-003e962
S. Permit Modification
After notice and opportunity for a hearing, the permit may be modified,
suspended, or revoked in whole or in part during its term for cause
including, but not limited to, the following:
(A) Violation of any terms or conditions of this permit;
(8) Obtaining this permit by misrepresentation or failure to disclose
fully all relevant facts;
(C) A change in any condition which results in a temporary or permanent
reduction, elimination, addition or increase of the permitted discharge.
(Changes in Water Qua! ity Standards, control regulation or duly promulgated
plans would qualify as "a change in any condition.");
(D) This permit shall be modified, or alternatively, revoked and reissued, to
comply with any applicable effluent standard or limitation issued or approved
under sections 301 (b) (2) (C), and (D), 304(b) (2), and 307(a) (2) of the Clean
Water Act, if the effluent standard or limitation so issued or approved:
(1) Contains different conditions or is otherwised more stringent than
any effluent limitation in the permit; or
(2) Controls any pol! utant not 1 imi ted in the permit.
The permit as modified or reissued under this paragraph shall also contain
any other requirements of the Act then applicable.
6. Toxic Pollutants
Notwithstanding "Permit Modification", paragraph B-5 (above), if a toxic
effluent standard or prohibition (including any schedule of compliance
specified in such effluent standard or prohibition) is established under
Section 307(a) of the Act for a toxic pollutant which is present In the
discharge and such standard or prohibition is more stringent than any
limitation for such pollutant in this permit, this permit shall be revised
or modified in accordance with the toxic effluent standard or prohibition
and the permittee so notified.
7. Civil and Criminal Liability
Except as provided in permit conditions on "Reduction, Loss or Failure of
Treatment Facility", (A-5), nothing in this permit shall be construed to
relieve the permittee from civil or criminal penalties for noncompliance.
(See Fed. Reg. Vol. 45, No. 98, 122.60).
8. Oil and Hazardous Substance Liability
2/81
Nothing in this permit shall be construed to preclude the institution of any
legal action or relieve the permittee from any responsibl ities, 1 iabi li ties, or
penalties to which the permittee is or may be subject under Section 311 of the Act.
PART 11
Page 12 of 16
Permit No: C0-0038962
9. State Laws
Nothing in this permit shall be construed to preclude the institution of any
legal action or relieve the permittee from any responsibilities, liabilities,
or penalties established pursuant to any applicable State law or regulation
under authority preserved by Section 510 of the Act.
10. Permit Violations
Failure to comply with any terms and/or conditions of this permit shall
be a violation of this permit.
11. Property Rights
The issuance of this permit does not convey any property rights in either
real or personal property, or any exclusive privileges, nor does it authorize
any injury to private property or any invasion of personal rights, nor any
infringement of Federal, State or local laws or regulations.
12. Severability
The provisions of this permit are severable, and if any prov1s1ons of this
permit, or the application of any provision of this permit to any circumstance,
is held inva.lid, the application of such provision to other circumstances,
and the remainder of this permit shall not be affected thereby.
13. At the request of a permittee, .the Diyision may modify or terminate a permit
and issue a new permit if the following conditions are met:
(A) The Regional Administrator has been notified of the proposed modifi-
cation or termination, and does not object in writing within thirty
(30) days of receipt of notification; and
(B) The Division finds that the permittee has shown reasonable grounds
consistent with the Federal and State statutes, and regulations for
such modification or termination; and
(C) Requirements of public notice have been met.
The filing of a request by the permittee for a permit modification, revokation
and reissuance, or termination, or a notification of planned changes or
anticipated noncompliance, does not stay any permit condition.
14. It shall not be a defense for a permittee in an enforcement action that it would
be necessary to halt or reduce the permitted activity in order to maintain
compliance with the conditions of this permit.
15. Signatory Requirement
1/81
All applications, reports, or information submitted to the Division shall be
signed and certified.
3/81
GENERAL REQUIREMENTS
PART 111
Page 13 of 16
Permit No: C0-0038962
1. The permittee shall not discharge after the expiration date of this
permit without authorization. In order to receive authorization to
discharge after the expiration date, the permittee shall, no later
than 180 days prior to the expiration date of this permit, submit a
new NPDES application and fees as required by the permit issuing
authority.
2. The permittee is required to submit a fee as set forth In
Section 25-8-502 C.R.S. 1973 as amended. Failure to submit the
required fee is a violation of this permit and will result in the
suspension of said permit and enforcement action pursuant to Section
25-8-601 !!.· seq., 1973 as amended.
3. Within sixty (60) days of the effective date of this permit, the
permi ttee' shal 1 file a statement with the Environmental Protection
Agency and the State Water Quality Control Division which shal 1
contain the names of the person or persons who are designated to
report conditions as noted in "Noncompliance", Part II, Section A,
Paragraph 2, and as referenced in "Oil and Hazardous Substance
Liability", PART II, Section B, Paragraph 8. The permittee shall
continually update this list as changes occur at the facility.
4. Within three (3) months after the effective date of this permit, a
flow-measuring device shall be installed at all discharge points.
At the request of the Regional Administrator of the Environmental
Protection Agency or the Director of the State Water Quality Control
Division, the permittee must be able to show proof of the accuracy
of any flow-measuring device used in obtaining data submitted in
the monitoring report. The flow-measuring device must indicate
values within ten (10) percent of the actual flow being discharged
from the facility.
5. Discharge points shall be so designed or modified that a sample of
the effluent can be obtained at a point after the final treatment
process and prior to discharge to state waters.
PART 111
Page 14of 16
Permit No. C0-0038962
ADDITIONAL DEFINITIONS (Applies to Gravel Pits)
1. The term "point source" means any discernible, confined, and discrete
conveyance, including but not limited to any pipe, channel, ditch,
tunnel, conduit, well, discrete fissure, or container from which
pollutants are or may be discharged into waters of the State.
2. The term "discharge" means any addition of any pollutant or pollutants
to waters of the State, from any point source.
3. The term "10-year, 24-hour precipitation event" means the maximum
24-hour precipitation event (usually indicated in inches) with a
probable reoccurrence interval of once in 10 years.
4. The term "deactivated point" means any location previously specified
as a permitted discharge point, where active mining and mining-
related activities have ceased and where reclamation has progressed
to a state judged sufficient to the Water Quality Control Division.
Any location having been identified and classified as a "deactivated
point" in writing shall be considered as such for permitting, monitoring,
and enforcement purposes.
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PART 111
Page 15 of 16
Permit No. C0-0038962
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FIGURE 2
ASPHALT PAVING
SILT PIT
COMPANY
PART 111
Page 16 of 16
Permit No. C0-0038962
11
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