Lakes / Georgia / Columbia County / J. Strom Thurmond Reservoir
J. Strom Thurmond Reservoir, Columbia County, Georgia
25,660 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Georgia
33.67 degrees N, 82.37 degrees W - Columbia 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 J. Strom Thurmond Reservoir Stacks Up
- Ranks #4 for surface area among the Georgia lakes counted so far - 25,660 acres.
- The largest lake in Columbia County among those counted.
- About 27 miles from Augusta, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| J. Strom Thurmond Reservoir | Lincoln | 11 mi | 40,816 acres |
| Harrison Lake B | McDuffie | 11 mi | 102 acres |
| Harrison Lake A | McDuffie | 12 mi | 83 acres |
| Woodbridge Lake | Columbia | 15 mi | 25 acres |
| McNeil Pond | McDuffie | 16 mi | 37 acres |
| Usry Pond | McDuffie | 18 mi | 57 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About J. Strom Thurmond Reservoir
How Big Is J. Strom Thurmond Reservoir?
J. Strom Thurmond Reservoir covers 25,660 acres in Columbia County, Georgia.
What Is the Largest Lake in Columbia County?
J. Strom Thurmond Reservoir is the largest lake in Columbia County, at 25,660 acres.
Largest Lakes in Georgia
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | J. Strom Thurmond Reservoir | Lincoln | 40,816 acres | - |
| 2 | Lake Sidney Lanier | Forsyth | 38,293 acres | - |
| 3 | Walter F George Reservoir | Quitman | 34,919 acres | - |
| 4 | J. Strom Thurmond Reservoir | Columbia | 25,660 acres | - |
| 5 | West Point Lake | Troup | 22,313 acres | - |
All 728 Georgia lakes ranked by surface area
Sources: USGS NHD (The National Map NHD MapServer layer 12) named waterbodies FTYPE 390/436; counties via Census point-in-polygon lake data (ID 120024536). Verified October 30, 2026.