Lakes / Illinois / Clay County
Lakes in Clay County, Illinois
3 lakes counted in Clay County - the largest is Salt Pond at 56.46 acres.
3
Lakes Counted
56.46 acres
Largest - Salt Pond
Clay County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Salt Pond | Clay | 56.46 acres | - |
| 2 | Greendale Lake | Clay | 43.49 acres | - |
| 3 | Patterson Lake | Clay | 28.91 acres | - |
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.