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 1326–1350 of 1,481
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Brooklyn Run (Pa-468) Susquehanna County | 64 | 1967 | High | Fair |
| Brook Crossing Detention Chester County | 11 | — | Significant | Fair |
| Bronson Pond Wayne County | 8 | 1913 | Significant | Fair |
| Bristol Swamp Potter County | 16 | 1976 | Low | Not Available |
| Brinton Lake Delaware County | 15 | 1900 | High | Poor |
| Brinkerton Westmoreland County | 29 | 1903 | Low | Not Rated |
| Briggs Street Detention Lackawanna County | 16 | — | High | Poor |
| Brier Hill #6 Fayette County | 22 | 1914 | Significant | Fair |
| Brier Crest Woods Monroe County | 16 | 1973 | High | Fair |
| Bridgeport (Pa-655) Westmoreland County | 49 | 1992 | High | Satisfactory |
| Briar Creek (Pa 498) Columbia County | 70 | 1987 | High | Fair |
| Briar Creek Lake Pa-497 Columbia County | 39 | 1968 | High | Fair |
| Brewster Pond Susquehanna County | 9 | 1919 | Low | Fair |
| Breskin No 2 Westmoreland County | 42 | 1971 | High | Satisfactory |
| Breskin No 1 Westmoreland County | 29 | 1973 | Low | Satisfactory |
| Brent Road (Sgl 151) Mercer County | — | — | Significant | Unsatisfactory |
| Breckenridge Detention Allegheny County | 49 | — | Significant | Satisfactory |
| Brechbill Dam Tioga County | 16 | 1974 | Low | Not Available |
| Brandonville Pumping Station Schuylkill County | 21 | 1900 | Significant | Unsatisfactory |
| Brague Bradford County | 22 | 1970 | Low | Not Rated |
| Bradys Run Beaver County | 33 | 1949 | High | Poor |
| Bradys Lake Monroe County | 19 | 2007 | High | Satisfactory |
| Bradshaw Reservoir Bucks County | 20 | 1988 | Significant | Fair |
| Bradford City No 5 McKean County | 68 | 1957 | High | Poor |
| Bradford City No 3 McKean County | 47 | 1898 | High | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.