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 1376–1400 of 1,481
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Upper Rickards Pike County | 9 | 1937 | High | Fair |
| Upper Ridge Westmoreland County | 25 | 1915 | High | Poor |
| Upper Silver Lake Bucks County | 15 | 1919 | Low | Fair |
| Upper Southside Sport Beaver County | 14 | 1979 | Significant | Satisfactory |
| Upper Tumbling Run Schuylkill County | 55 | 1836 | High | Poor |
| Upper West Deer Lake Allegheny County | 24 | — | High | Satisfactory |
| Valley-Hi Eagle Lake Fulton County | 25 | 1964 | High | Satisfactory |
| Valley View Pike County | 18 | 1956 | Significant | Fair |
| Vanderpool Bradford County | 14 | 1979 | Low | Not Rated |
| Van Meter Crawford County | 33 | — | Significant | Poor |
| Van Sciver Lake Bucks County | 18 | 1954 | Low | Poor |
| Varcoe (Pa-415) Wayne County | 20 | 1960 | High | Fair |
| Verga Pond Pike County | 8 | — | Significant | Satisfactory |
| Village At Pine Allegheny County | 15 | 1979 | Significant | Satisfactory |
| Village Two At New Hope Bucks County | 41 | 1980 | Undetermined | Not Rated |
| Virgin Run Fayette County | 34 | 1953 | Significant | Poor |
| Wadham Creek Luzerne County | 30 | 1959 | High | Satisfactory |
| Walden Pond Butler County | 18 | — | Significant | Not Rated |
| Walden Woods Allegheny County | 17 | 2000 | High | Satisfactory |
| Walker Farm Lagoon Chester County | 26 | 2002 | High | Satisfactory |
| Walker Lake Pike County | 15 | 1953 | High | Satisfactory |
| Wangaum Falls Wayne County | 30 | 1925 | High | Poor |
| Wanzo Bradford County | 11 | — | Low | Not Rated |
| Warner Susquehanna County | 13 | 1930 | Low | Fair |
| Warren H Ohl Clinton County | 59 | 1965 | High | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.