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The Federal Emergency Management Agency is the federal agency ultimately responsible for flood hazard mapping in the United States. While the Wisconsin Department of Natural Resources acts as a technical contractor for the mapping in Wisconsin, all data are distributed by FEMA.
FEMA provides a number of options for consuming flood hazard data, including interactive mapping applications, GIS web services (ArcGIS REST, WMS, WFS) and downloadable data.
- How to use FEMA Floodplain Map Services
- FEMA Flood Map Service Center – search for and download products
Need Assistance?
If you are having trouble locating flood hazard data in Wisconsin or need further help, please contact us via e-Mail or at (608) 262-3065.
Last updated: January 2, 2020