Lakes / Illinois / Fayette County
Lakes in Fayette County, Illinois
5 lakes counted in Fayette County - the largest is Vandalia Municipal Reservoir at 627.37 acres.
5
Lakes Counted
627.37 acres
Largest - Vandalia Municipal Reservoir
Fayette County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Vandalia Municipal Reservoir | Fayette | 627.37 acres | - |
| 2 | Vandalia Lake | Fayette | 64.74 acres | - |
| 3 | Lake Nellie | Fayette | 54.08 acres | - |
| 4 | Ramsey Lake | Fayette | 44.97 acres | - |
| 5 | Suttons Pond | Fayette | 25.2 acres | - |
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.