Disclaimer: These maps are for reference only. Lyon County is not responsible for errors herein contained.
Interactive Flood Maps
Click to access interactive flood maps
Flood Insurance Rate Maps by Township in PDF format
 Amiret | [10] | 3987 kB |
| Lucas | [100] | 3883 kB |
| Lynd | [110] | 3950 kB |
| Lyons | [120] | 4014 kB |
| Monroe | [130] | 3904 kB |
| Nordland | [140] | 4102 kB |
| Rock Lake | [150] | 3967 kB |
| Shelburne | [160] | 4233 kB |
| Sodus | [170] | 3990 kB |
| Stanley | [180] | 3971 kB |
| Vallers | [190] | 3940 kB |
| Clifton | [20] | 3960 kB |
| Westerheim | [200] | 3891 kB |
| City of Marshall | [270] | 3229 kB |
| Coon Creek | [30] | 4159 kB |
| Custer | [40] | 4038 kB |
| Eidsvold | [50] | 4114 kB |
| Fairview | [60] | 3974 kB |
| Grandview | [70] | 3872 kB |
| Island Lake | [80] | 4123 kB |
| Lake Marshall | [90] | 4063 kB |