Lakes / Illinois / Washington County / Nashville City Reservoir
Nashville City Reservoir, Illinois
43.98 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Illinois
38.35 degrees N, 89.36 degrees W - Washington 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 Nashville City Reservoir Stacks Up
- Larger than 32% of the 511 lakes counted in Illinois.
- About 44 miles from Carbondale, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Washington County Lake | Washington | 4.7 mi | 287.14 acres |
| Big Forked Lake | Clinton | 11 mi | 26.69 acres |
| Long Lake | Clinton | 12 mi | 25.45 acres |
| Pinckneyville Reservoir | Perry | 17 mi | 186.56 acres |
| Calamus Lake | Washington | 17 mi | 31.88 acres |
| City Reservoir | Randolph | 17 mi | 33.36 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Nashville City Reservoir
How Big Is Nashville City Reservoir?
Nashville City Reservoir covers 43.98 acres in Washington County, Illinois.
What Is the Largest Lake in Washington County?
Washington County Lake is the largest lake in Washington County, at 287.14 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 155044022). Verified October 30, 2026.