Floodplain Information


Kane County serves as the local repository for floodplain maps and studies produced by the Federal Emergency Management Agency (FEMA). Water Resources staff are available to answer questions regarding floodplain management within the unincorporated areas of Kane County and provide access to the FEMA published information.

Floodplain Mapping & Insurance


Kane County Water Resources has copies of all current and historic FEMA published “Flood Insurance Rate Maps” (FIRMS). Excerpts from these maps called “Firmettes” may be produced upon request. Please use the “Request for Information​” form to obtain a firmette.

For floodplain maps or insurance information, visit the following pages:

Floodplain Management

For residential improvements in the floodplain:

For any construction or disturbance in the floodplain:

Natural Hazards Mitigation


​FEMA site