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Colleen Wirth
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Glenn Hartmann
Tuesday, August 29, 2023 1 1:57 AM
Colleen Wirth
John Plano
Canyon Creek Floodplain Question
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Hi Colleen: I did some additional research on Canyon Creek and there currently is not a printed & adopted FEMA
Floodplain map in the vicinity of the property with the proposed addition. I would recommend the following language
(option L or 2l or something similar be added to their permit.
Option 1
Note: While, current FEMA Floodplain Mapping has not been printed for your property, your proximity to Canyon Creek
warrants careful consideration of flooding issues. lf your proposed building permit meets or exceeds the definition of
Substantial lmprovement (reconstruction or repair that exceed s 5Ùo/o of the market value of the structure - see Article
15 Definition of the Land Use and Development Code for additional details)a floodplain development permit would
likely be required. The County Floodplain Development Permit would include a site-specific floodplain analysis to
delineate the location of the L00-year floodplain on your property and compliance with applicable mitigation
requirements pursuant to the County Land Use and Development Code.
Option 2
Note: Please provide confirmation from a qualified professional that your proposed remodel will not constitute a
Substantial lmprovement pursuant to Article 15 Definitions in the Land Use and Development Code (i.e. will not exceed
5O% of the market value of the structure). However, if it does meet the definition of a Substantial lmprovement,
additionalfloodplain information/analysis and possible Floodplain Development Permitting will be required including
mitigation and compliance with Standards in Section 3-301 of the Land Use and Development Code..
l'm leaning toward option 2. Please see me to discuss and/or revise, edit, etc. Thanks very much. Glenn.
Glenn Hartmann
Principal Planner
97O-945-L377 xL57O
G ha rtma nn @ga rfield-co u nty.co m
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