Lakes / Illinois / Morgan County
Lakes in Morgan County, Illinois
4 lakes counted in Morgan County - the largest is Meredosia Lake at 1,404.55 acres.
4
Lakes Counted
1,404.55 acres
Largest - Meredosia Lake
Morgan County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Meredosia Lake | Morgan | 1,404.55 acres | - |
| 2 | Lake Jacksonville | Morgan | 461.59 acres | - |
| 3 | Mauvaise Terre Lake | Morgan | 158.89 acres | - |
| 4 | Waverly City Lake | Morgan | 60.95 acres | - |
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.