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FEMA floodplain mapping
General Information
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General Information

Listed below are links to the Federal Emergency Management Agency (FEMA) Flood Insurance Rate Maps for Brown County. These maps were adopted by the Brown County Board of Supervisors on July 22, 2009, and became effective on August 18, 2009. Some panels have been revised since 2009.

You can view these in the panel format only but will not be able to query by parcel number, address, or name. You can determine the panel number you would like to view via the index page.

To view the index page, click here.

To view the panels, click here.
Note: The panels revised after 2009 will have a file name ending with "G.pdf"

Below is a link to the three volumes of the Flood Insurance Study related to the 2009 final mapping:

FEMA flood insurance study documents
Note: The documents revised after 2009 will have a file name ending with "B.pdf"

To view the FEMA NFIP Map & Zone Grandfather Rules, click here.

To view the basement exemption document authorization for unincorporated areas of Brown County, click here.

To access the Brown County interactive mapping site to view parcels, aerial images, and the FEMA line work, click here. You will need to check the box next to the FEMA flood map layer to view this information in more detail. FEMA will not consider Brown County's interactive map as the official maps. The official floody study for Brown County and the corresponding panels that FEMA will recognize can be found at the links at the top of this page.
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