New FEMA Flood Insurance Rate Maps

flood insurance rate map changes

On September 7, 2023, new the Federal Emergency Management Agency (FEMA) Flood Insurance Rate Maps (FIRMs) for Thompson become effective.

The maps are in a digital format and identify areas in Thompson that will have flood insurance available through FEMA and are subject to FEMA's requirements for development in the flood hazard areas. 

Fact sheet for residents

Click here to see instructions for viewing the new FIRMs and the associated Flood Insurance Study.