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 526–547 of 547
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Wharton Boulevard Stormwater Chester County | 21 | 1999 | High | Fair |
| 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 |
| 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 |
| William Penn Pike County | 10 | 1916 | Low | Fair |
| Williams Bridge Reservoir Lackawanna County | 54 | 1893 | High | Fair |
| Williams Pond Wayne County | 10 | 1930 | Low | Fair |
| Williams Pond Susquehanna County | 10 | 1919 | Low | Fair |
| Williams Run Cambria County | 43 | 1956 | High | Fair |
| Wohelo Lake Franklin County | 28 | 1953 | Significant | Fair |
| Wolf Creek Clearfield County | 34 | 1971 | High | Fair |
| Wolf Creek Reservoir Schuylkill County | 73 | 1909 | High | Fair |
| Wolfe Farm Cumberland County | 28 | 1966 | High | Fair |
| Woodpecker Lake Pike County | 8 | — | Low | Fair |
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Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.