Lakes / Oklahoma / Custer County
Lakes in Custer County, Oklahoma
6 lakes counted in Custer County - the largest is Foss Reservoir at 6,380.7 acres.
6
Lakes Counted
6,380.7 acres
Largest - Foss Reservoir
Custer County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Foss Reservoir | Custer | 6,380.7 acres | - |
| 2 | Soldier Creek Watershed Site 5 Reservoir | Custer | 49.67 acres | - |
| 3 | Barnitz Creek Site 30 Reservoir | Custer | 33.11 acres | - |
| 4 | Beaver Creek Site 1 Reservoir | Custer | 29.41 acres | - |
| 5 | Barnitz Creek Site 31 Reservoir | Custer | 25.7 acres | - |
| 6 | Barnitz Creek Site 71 Reservoir | Custer | 25.2 acres | - |
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.