Lakes / Pennsylvania / Washington County
Lakes in Washington County, Pennsylvania
7 lakes counted in Washington County - the largest is Cross Creek Lake at 244 acres.
7
Lakes Counted
244 acres
Largest - Cross Creek Lake
Washington County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Cross Creek Lake | Washington | 244 acres | None |
| 2 | Dutch Fork Lake | Washington | 91 acres | None |
| 3 | Canonsburg Lake | Washington | 76 acres | None |
| 4 | Cherry Valley Reservoir | Washington | 51.6 acres | None |
| 5 | Active Sludge Pond | Washington | 42 acres | None |
| 6 | Pond Six | Washington | 41 acres | None |
| 7 | Peters Twp. Lake (Res. #2) | Washington | 36 acres | None |
Sources: Pennsylvania Fish and Boat Commission lake data; USGS. Verified October 28, 2026.