Pennsylvania Dams
1,481 dams tracked by the National Inventory of Dams
Total Dams
1,481
High Hazard
780
52.7%
Poor / Unsatisfactory
215
Average Age
80 yrs
Hazard Classification
High780 (52.7%)
Significant310 (20.9%)
Low378 (25.5%)
Condition Assessment
Satisfactory415 (28.0%)
Fair547 (36.9%)
Poor / Unsatisfactory215 (14.5%)
Not Rated304 (20.5%)
Federal
57
State
152
Local
351
Private
911
Tallest Dams
- Harmar Refuse Bank410 ft
- Little Blue Run400 ft
- Cumberland No. 1 Slurry Pond 1380 ft
- Cumberland No. 2 Slurry Pond370 ft
- Bailey Mine Area No. 3 Slurry337 ft
High Hazard Dams
Poor Condition Dams
- Little Pine CreekPoor
- North ForkPoor
- DehartPoor
- Mill RunPoor
- West Newton SludgeUnsatisfactory
All Dams in Pennsylvania
Showing 276–300 of 310
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Canonsburg No 1 Washington County | 36 | 1911 | Significant | Fair |
| Camp Trees Butler County | 17 | — | Significant | Not Rated |
| Campbells Pond Allegheny County | 19 | 1946 | Significant | Satisfactory |
| Campbells Ledge Luzerne County | 33 | 1906 | Significant | Fair |
| Caledonia Water Company Franklin County | 32 | 1967 | Significant | Fair |
| Buehler Lake Pike County | 7 | 1857 | Significant | Fair |
| Brunner Island Ash Basin No 6 York County | 39 | 1979 | Significant | Satisfactory |
| Brookville Waterworks Jefferson County | 24 | 1912 | Significant | Satisfactory |
| Brooks Lake Wayne County | 7 | — | Significant | Satisfactory |
| Brook Crossing Detention Chester County | 11 | — | Significant | Fair |
| Bronson Pond Wayne County | 8 | 1913 | Significant | Fair |
| Brier Hill #6 Fayette County | 22 | 1914 | Significant | Fair |
| Brent Road (Sgl 151) Mercer County | — | — | Significant | Unsatisfactory |
| Breckenridge Detention Allegheny County | 49 | — | Significant | Satisfactory |
| Brandonville Pumping Station Schuylkill County | 21 | 1900 | Significant | Unsatisfactory |
| Bradshaw Reservoir Bucks County | 20 | 1988 | Significant | Fair |
| Braddock Locks and Dam Allegheny County | 33 | 1905 | Significant | Not Available |
| Blue Ridge Det Butler County | 16 | 1990 | Significant | Not Rated |
| Blue Giant Meadow Luzerne County | 12 | 1912 | Significant | Satisfactory |
| Blacksville #1 Freshwater Imp Greene County | 20 | 1974 | Significant | Satisfactory |
| Bishop Jefferson County | — | — | Significant | Not Rated |
| Big Elk Lake Susquehanna County | 12 | 1860 | Significant | Fair |
| Bev Somerset County | 10 | 1991 | Significant | Not Rated |
| Bells Lakes Washington County | 26 | 1964 | Significant | Fair |
| Bedford Co. Sportsmen's Club Lake Bedford County | 29 | 1955 | Significant | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.