Lakes in Power County, Idaho
2 lakes counted in Power County - the largest is American Falls Reservoir at 55,319.78 acres.
2
Lakes Counted
55,319.78 acres
Largest - American Falls Reservoir
Power County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | American Falls Reservoir | Power | 55,319.78 acres | - |
| 2 | Bonanza Lake | Power | 30.64 acres | - |
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.