Floodplain Information

Floodplain Information

Downtown Floodplain MapFloodplains are low-lying areas adjacent to a watercourse where water flows in times of flood, or would flow but for the presence of local flood defenses. The Federal Emergency Management Agency (FEMA) defines a floodplain as, "Any land area that is susceptible to being inundated by water from any source."
The City of Rock Springs is a subscriber to FEMA's Flood Insurance Rate Program and certain areas within the City are affected by FEMA's Flood Insurance Rate Maps (FIRM's). For an on-line link to the FIRM map for Rock Springs, as well as recent changes to the Rock Springs Floodplain Map known as Letters of Map Revisions (LOMR's)click here.
While the maps will show your property's relationship to the floodplain, you should also consider hiring a surveyor to determine the elevation of your home relative to the Base Flood (100-year) elevation. This information is useful in determining a property's risk of flooding and in determining flood insurance requirements and rates.

For the most accurate and up-to-date information on floodplain related issues within the City of Rock Springs, please contact the Planning Office at (
307) 352-1540 or City_Planner@rswy.net.

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