FEMA flood zone rules in Littleton, CO — also called floodplain regulations or special flood hazard area (SFHA) rules — determine flood insurance requirements and elevation standards for new construction.
Littleton participates in FEMA's National Flood Insurance Program (NFIP) and regulates floodplains under Title 10, Chapter 7 of the city code. The city has both federal (FEMA) and local (Mile High Flood District) regulated floodplains, primarily along the South Platte River and Lee Gulch corridors.
Littleton is a participating community in FEMA's NFIP, with floodplain regulations in City Code Title 10, Chapter 7. The city has both federal FEMA-designated flood zones and local Flood Hazard Area Delineations (FHAD) regulated by the Mile High Flood District (formerly UDFCD). All development within a floodplain requires a Floodplain Development Permit, and Littleton's standards are in some cases more stringent than FEMA minimums. A FEMA Conditional Letter of Map Revision (CLOMR) is required before construction in the floodplain. If adjacent structures are near or in the floodplain, a hydraulic analysis and no-rise certification from a Colorado Professional Engineer is required. The city works with MHFD to manage major drainageways, reduce flood hazards, and fund capital improvement projects to remove properties from the floodplain.
Unpermitted development in floodplain: stop-work order, fines, and mandatory CLOMR/LOMR process. NFIP non-compliance: potential loss of flood insurance availability for the entire community.
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Side-by-side rule comparisons with other cities in Arapahoe County.
See how other cities in Arapahoe County handle flood zones.
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