Lakes / South Dakota / McCook County
Lakes in McCook County, South Dakota
7 lakes counted in McCook County - the largest is East Vermillion Lake at 569.27 acres.
7
Lakes Counted
569.27 acres
Largest - East Vermillion Lake
McCook County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | East Vermillion Lake | McCook | 569.27 acres | - |
| 2 | Island Lake | McCook | 280.22 acres | - |
| 3 | Tuschen Slough | McCook | 104.03 acres | - |
| 4 | Schimmel Slough | McCook | 94.39 acres | - |
| 5 | Gross Lake | McCook | 79.57 acres | - |
| 6 | Macke Lake | McCook | 38.55 acres | - |
| 7 | Lions Lake | McCook | 37.56 acres | - |
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.