Lakes / Illinois / McDonough County
Lakes in McDonough County, Illinois
4 lakes counted in McDonough County - the largest is Spring Lake at 251.55 acres.
4
Lakes Counted
251.55 acres
Largest - Spring Lake
McDonough County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Spring Lake | McDonough | 251.55 acres | - |
| 2 | Argyle Lake | McDonough | 92.91 acres | - |
| 3 | Vermont New Lake | McDonough | 33.85 acres | - |
| 4 | Colmar Lake | McDonough | 25.2 acres | - |
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.