Lyon County Preliminary Flood Insurance Risk Maps (FIRM)

Disclaimer: These maps are preliminary and for reference only. Lyon County is not responsible for errors herein contained.

Interactive Mapping

Click to access online flood maps

Preliminary Flood Insurance Risk Maps (FIRM)

Note these maps are preliminary. The final Flood Insurance Risk Maps (FIRM) are located at http://gis.lyonco.org/floodmaps/

Lyon County
Amiret Township
Clifton Township
Coon Creek Township
Custer Township
Eidsvold Township
Fairview Township
Grandview Township
Island Lake Township
Lake Marshall Township
Lucas Township
Lynd Township
Lyons Township
Monroe Township
Nordland Township
Rock Lake Township
Shelburne Township
Sodus Township
Stanley Township
Vallers Township
Westerheim Township
Marshall regular size

Large Marshall large image - for high speed internet only (18MB)

OLD Floodplain Map
Maps produced January 2007 by Lyon County GIS