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 1426–1450 of 1,481
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Westmoreland-Fayette Council Bsa Somerset County | 20 | 1987 | Low | Not Rated |
| West Newton Sludge Westmoreland County | 99 | — | Low | Unsatisfactory |
| West Side Detention Northampton County | 9 | 1994 | High | Fair |
| West Surge Pond Beaver County | 27 | 1974 | Significant | Satisfactory |
| Westtown Chester County | 14 | 1912 | Significant | Fair |
| West Whiteland Business Park Chester County | 12 | — | Significant | Poor |
| Wharton Boulevard Stormwater Chester County | 21 | 1999 | High | Fair |
| Wheatstone Detention Basin Lebanon County | 8 | — | Significant | Satisfactory |
| Whetstone No 2 Storage Elk County | 36 | 1962 | High | Satisfactory |
| Whipple Huntingdon County | 16 | 1920 | Low | Not Rated |
| Whipporwill Schuylkill County | 11 | — | Significant | Satisfactory |
| White Heron Monroe County | 34 | 1930 | High | Satisfactory |
| White Oak Pond Wayne County | 26 | 1830 | High | Fair |
| Whitetail C Franklin County | 23 | — | Significant | Fair |
| Whitetail Land CO - A Franklin County | 51 | 1993 | High | Fair |
| Whitford Ridge Detention Basin Chester County | 13 | 1992 | Significant | Fair |
| Whitney Lake Wayne County | 12 | 1934 | Significant | Fair |
| Whitney Ridge Westmoreland County | 18 | 1899 | High | Fair |
| W H Walker Franklin County | 21 | 1930 | Low | Not Rated |
| Wicks Pike County | 11 | 1931 | Low | Fair |
| Wigwam Lake Monroe County | 16 | 1928 | High | Fair |
| Wild Acres Lake Pike County | 9 | 1928 | High | Fair |
| Wildcat, Sgl #56 Bucks County | 7 | 1973 | Low | Fair |
| Wild Creek Carbon County | 135 | 1941 | High | Fair |
| Wildwood Lake Dauphin County | 14 | 1908 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.