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 351–375 of 415
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Cold Storage Perry County | 11 | — | Significant | Satisfactory |
| Cloe Lake Jefferson County | 43 | 1909 | High | Satisfactory |
| Clarion U.-Venango Campus West End Venango County | 15 | — | High | Satisfactory |
| Christian E Siegrist Schuylkill County | 125 | 1994 | High | Satisfactory |
| Chester Co. Prison Storage Lagoon Chester County | 34 | — | Significant | Satisfactory |
| Cherry Tree Farm York County | 32 | 1980 | Significant | Satisfactory |
| Chalker Susquehanna County | 21 | 1984 | High | Satisfactory |
| Chain Northampton County | 20 | — | Low | Satisfactory |
| Center Campus Pond No. 1 Dauphin County | 19 | — | High | Satisfactory |
| Cedar Crest Boulevard Lehigh County | 7 | 1998 | High | Satisfactory |
| Carlisle Raw Water Intake Cumberland County | 9 | 1904 | Low | Satisfactory |
| Canonsburg Washington County | 45 | 1943 | High | Satisfactory |
| Campbells Pond Allegheny County | 19 | 1946 | Significant | Satisfactory |
| Butlers Lake Allegheny County | 30 | 1941 | High | Satisfactory |
| Burnt Cabin Dunlap Creek (Pa-471) Fayette County | 39 | 1967 | High | Satisfactory |
| Bull Run Westmoreland County | 44 | 1934 | High | Satisfactory |
| Buhl Park Mercer County | 14 | 1919 | High | Satisfactory |
| Brunner Island Ash Basin No 6 York County | 39 | 1979 | Significant | Satisfactory |
| Browns Greene County | 25 | 1919 | Low | Satisfactory |
| Brookville Waterworks Jefferson County | 24 | 1912 | Significant | Satisfactory |
| Brooks Lake Wayne County | 7 | — | Significant | Satisfactory |
| Bridgeport (Pa-655) Westmoreland County | 49 | 1992 | High | Satisfactory |
| Breskin No 2 Westmoreland County | 42 | 1971 | High | Satisfactory |
| Breskin No 1 Westmoreland County | 29 | 1973 | Low | Satisfactory |
| Breckenridge Detention Allegheny County | 49 | — | Significant | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.