Lakes / South Dakota / Potter County / Green Lake
Green Lake, Potter County, South Dakota
1,153.48 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - South Dakota
45.12 degrees N, 99.96 degrees W - Potter 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 Green Lake Stacks Up
- Larger than 90% of the 533 lakes counted in South Dakota.
- The largest lake in Potter County among those counted.
- About 55 miles from Pierre, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Flight Lake | Potter | 4.9 mi | 581.93 acres |
| Lake Hurley | Potter | 9.2 mi | 106.01 acres |
| Swan Lake | Walworth | 13 mi | 2,467.35 acres |
| Alkali Lake | Edmunds | 18 mi | 285.41 acres |
| Stone Lake | Sully | 19 mi | 1,023.51 acres |
| Cottonwood Lake | Sully | 20 mi | 461.59 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Green Lake
How Big Is Green Lake?
Green Lake covers 1,153.48 acres in Potter County, South Dakota.
What Is the Largest Lake in Potter County?
Green Lake is the largest lake in Potter County, at 1,153.48 acres.
Largest Lakes in South Dakota
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake Oahe | Dewey | 309,912.57 acres | - |
| 2 | Lake Francis Case | Charles Mix | 82,166.92 acres | - |
| 3 | Lake Sharpe | Hughes | 58,419.67 acres | - |
| 4 | Lewis and Clark Lake | Bon Homme | 25,141.99 acres | - |
| 5 | Lake Thompson | Kingsbury | 13,887.93 acres | - |
All 533 South Dakota lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 139474450). Verified October 30, 2026.