Lakes / South Dakota / Tripp County
Lakes in Tripp County, South Dakota
5 lakes counted in Tripp County - the largest is Dog Ear Lake at 241.02 acres.
5
Lakes Counted
241.02 acres
Largest - Dog Ear Lake
Tripp County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Dog Ear Lake | Tripp | 241.02 acres | - |
| 2 | Roosevelt Lake | Tripp | 86.5 acres | - |
| 3 | Lambert Lake | Tripp | 59.84 acres | - |
| 4 | Little Dog Ear Lake | Tripp | 44.72 acres | - |
| 5 | Hamill Dam Reservoir | Tripp | 34.1 acres | - |
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.