Lakes in Calhoun County, Iowa
2 lakes counted in Calhoun County - the largest is South Twin Lake at 465 acres.
2
Lakes Counted
465 acres
Largest - South Twin Lake
Calhoun County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | South Twin Lake | Calhoun | 465 acres | - |
| 2 | North Twin Lake | Calhoun | 452 acres | - |
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.