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 576–600 of 780
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Fawn Lake Schuylkill County | 44 | 1972 | High | Satisfactory |
| Fawn Lake Pike County | 24 | 1973 | High | Poor |
| Fairways Lower Bucks County | 11 | 1989 | High | Satisfactory |
| F Luzerne County | 43 | 1916 | High | Fair |
| Evans City Waterworks No 1 Butler County | 38 | 1954 | High | Fair |
| Ethel Springs Westmoreland County | 43 | 1900 | High | Poor |
| Errickson Fish Pond Lehigh County | 15 | 1982 | High | Fair |
| Enlow Fork (Pa-648) Washington County | 76 | 1987 | High | Satisfactory |
| Emerald No.2 Sed Pond 1 Greene County | 18 | — | High | Satisfactory |
| Emerald No. 2 Main Valley Eastern Greene County | 270 | — | High | Satisfactory |
| Emerald No. 2 Back Valley Western Greene County | 90 | — | High | Satisfactory |
| Emerald No. 1 Sed Pond 11 Greene County | 25 | — | High | Satisfactory |
| Emerald No. 1 Main Valley Eastern Greene County | 310 | — | High | Satisfactory |
| Emerald No. 1 Back Valley Western Greene County | 90 | — | High | Satisfactory |
| Elroy Face Indiana County | 25 | 1954 | High | Fair |
| Elm Lake Pike County | 28 | 1972 | High | Fair |
| Elmhurst Lackawanna County | 64 | 1889 | High | Satisfactory |
| Elmcrest Lackawanna County | 9 | 1955 | High | Fair |
| Elk Lake Wayne County | 11 | 1865 | High | Satisfactory |
| El-Do Lake Monroe County | 13 | — | High | Poor |
| Eisenhuth Reservoir Schuylkill County | 49 | 1875 | High | Fair |
| Eidemiller Lake Westmoreland County | 22 | 1992 | High | Satisfactory |
| Egelman Reservoir Berks County | 15 | 1901 | High | Poor |
| Edinboro Lake Erie County | 18 | 1909 | High | Poor |
| Eberle (Pa-456) Tioga County | 65 | 1964 | High | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.