Lakes / Iowa / Poweshiek County
Lakes in Poweshiek County, Iowa
4 lakes counted in Poweshiek County - the largest is Lake Ponderosa at 168 acres.
4
Lakes Counted
168 acres
Largest - Lake Ponderosa
Poweshiek County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake Ponderosa | Poweshiek | 168 acres | - |
| 2 | Lake Ponderosa | Poweshiek | 111 acres | - |
| 3 | Diamond Lake | Poweshiek | 90 acres | - |
| 4 | Holiday Lake | Poweshiek | 90 acres | - |
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.