Lakes / South Dakota / Shannon County
Lakes in Shannon County, South Dakota
6 lakes counted in Shannon County - the largest is Oglala Lake at 549.32 acres.
6
Lakes Counted
549.32 acres
Largest - Oglala Lake
Shannon County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Oglala Lake | Shannon | 549.32 acres | - |
| 2 | Alkali Lake | Shannon | 311.03 acres | - |
| 3 | Wakpamani Lake | Shannon | 64.99 acres | - |
| 4 | Lee Lake | Shannon | 39.04 acres | - |
| 5 | Two Lance Lake | Shannon | 33.36 acres | - |
| 6 | Denby Lake | Shannon | 27.43 acres | - |
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.