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 1301–1325 of 1,481
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Cambridge Springs Crawford County | 14 | — | High | Poor |
| Cambria Slurry Pond #4 Cambria County | 178 | — | High | Fair |
| Caledonia Water Company Franklin County | 32 | 1967 | Significant | Fair |
| Cadjaw Pond Wayne County | 27 | 1914 | High | Poor |
| Cabin Creek York County | 28 | 1925 | High | Fair |
| Buzzard Swamp No 6 Elk County | 29 | 1971 | High | Fair |
| Butlers Lake Allegheny County | 30 | 1941 | High | Satisfactory |
| Butler Hunt Club Butler County | 33 | 1968 | High | Not Available |
| Burnt Cabin Dunlap Creek (Pa-471) Fayette County | 39 | 1967 | High | Satisfactory |
| Bunnells Pond Wayne County | 17 | 1914 | High | Fair |
| Bull Run Westmoreland County | 44 | 1934 | High | Satisfactory |
| Buhl Park Mercer County | 14 | 1919 | High | Satisfactory |
| Buehler Lake Pike County | 7 | 1857 | Significant | Fair |
| Bucks Cove Wayne County | 15 | — | Low | Poor |
| Brunner Island Ash Basin No 6 York County | 39 | 1979 | Significant | Satisfactory |
| Browns Lake Monroe County | 18 | 1925 | High | Fair |
| Browns Lake Tioga County | 13 | 1964 | Low | Not Rated |
| Browns Greene County | 25 | 1919 | Low | Satisfactory |
| Brownell Reservoir Lackawanna County | 67 | 1908 | High | Fair |
| Brown Creek Luzerne County | 20 | 1958 | High | Fair |
| Brown Tioga County | 18 | 1972 | High | Not Available |
| Broomall Lake Delaware County | 29 | 1883 | Low | Fair |
| Brookville Waterworks Jefferson County | 24 | 1912 | Significant | Satisfactory |
| Brooks Lake Wayne County | 7 | — | Significant | Satisfactory |
| Brooks Susquehanna County | 14 | — | Low | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.