Lakes / Pennsylvania / Fish Species / Flathead Catfish
Pennsylvania Lakes With Flathead Catfish
8 counted Pennsylvania lakes list Flathead Catfish in Pennsylvania Fish and Boat Commission records. The largest is Pymatuning Reservoir at 13,920 acres. The deepest of them is Blue Marsh Reservoir at 52 ft.
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Pymatuning Reservoir | Crawford | 13,920 acres | About 25 ft |
| 2 | Shenango River Lake | Mercer | 3,559 acres | 30 ft |
| 3 | Lake Arthur (Moraine State Park) | Butler | 3,224 acres | About 30 ft |
| 4 | Lake Marburg (Codorus State Park) | York | 1,275 acres | About 100 ft |
| 5 | Blue Marsh Reservoir | Berks | 1,150 acres | 52 ft |
| 6 | Crooked Creek Lake | Armstrong | 350 acres | None |
| 7 | Struble Lake | Chester | 146 acres | 19 ft |
| 8 | Dunlap Creek Lake | Fayette | 50 acres | None |
Source: Pennsylvania Fish and Boat Commission lake data. Verified October 28, 2026.