Lakes / Illinois / Williamson County / Teal Lake
Teal Lake, Illinois
29.65 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Illinois
37.65 degrees N, 88.97 degrees W - Williamson County. State and county outlines drawn from Census boundary data; the lake marker is placed by its USGS National Hydrography Dataset coordinates, not by eye. Schematic - not a survey map.
How Teal Lake Stacks Up
- Larger than 10% of the 511 lakes counted in Illinois.
- About 15 miles from Carbondale, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Marion Country Club Lake | Williamson | 1.4 mi | 42.18 acres |
| Marion Reservoir | Williamson | 1.7 mi | 245.13 acres |
| Herrin Lake | Williamson | 2.9 mi | 52.39 acres |
| Lake of Egypt | Johnson | 4.8 mi | 2,129.02 acres |
| Pond 17 | Williamson | 5.2 mi | 39.04 acres |
| Devils Kitchen Lake | Williamson | 7.0 mi | 711.91 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Teal Lake
How Big Is Teal Lake?
Teal Lake covers 29.65 acres in Williamson County, Illinois.
What Is the Largest Lake in Williamson County?
Crab Orchard Lake is the largest lake in Williamson County, at 7,292.57 acres.
Largest Lakes in Illinois
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Carlyle Lake | Clinton | 22,796.77 acres | - |
| 2 | Mine Number 21 Reservoir | Franklin | 17,062.04 acres | - |
| 3 | Upper Peoria Lake | Woodford | 15,460.64 acres | - |
| 4 | Lake Shelbyville | Shelby | 10,235.1 acres | - |
| 5 | Crab Orchard Lake | Williamson | 7,292.57 acres | - |
All 511 Illinois lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 48811552). Verified October 30, 2026.