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Floodplain Maps & Documents
Everyone Has Flood Risks, Know Yours.
Stop! Read First
Always look at the maps for both the FEMA floodplain and City floodplains to determine if a property is in a floodplain
Although City maps show areas outside city limits, do not use the maps to make floodplain determinations in Larimer County. Contact Larimer County Engineering at 970-498-5700 for County floodplain map information.
Please refer to the CSU Floodplain Management website for floodplain mapping and requirements on CSU’s Main Campus.
You can also obtain a copy of the FEMA maps on the FEMA website. Check out FEMA's tutorial to learn how to create a specific map.
Floodplain Maps for Smartphones
The floodplain maps are now mobile friendly on all devices.
FEMA Letters of Map Revision or Amendment
These maps do not reflect FEMA Letters of Map Revision based on Fill (LOMR-F) or Letters of Map Amendment (LOMA).
View a list of properties (PDF 11KB) for which these LOMA and LOMR changes have been issued.