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 401–425 of 547
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Garrett (Pa-413) Wayne County | 27 | 1970 | High | Fair |
| Gardner Creek Luzerne County | 47 | 1902 | High | Fair |
| Galvin Pond Bradford County | 14 | 1966 | Significant | Fair |
| Galion Bay Clearfield County | 37 | 1971 | High | Fair |
| G Luzerne County | 25 | 1916 | Significant | Fair |
| Furnace Run Westmoreland County | 19 | 1915 | High | Fair |
| Freshwater Impoundment Indiana County | 50 | 1974 | High | Fair |
| Freethy Wayne County | 26 | 1820 | High | Fair |
| Frances Slocum Luzerne County | 51 | 1965 | High | Fair |
| Forest Lake Pike County | 8 | 1890 | Low | Fair |
| Fords Lake Lackawanna County | 17 | 1995 | High | Fair |
| Flat Rock Philadelphia County | 21 | 1977 | Low | Fair |
| Flatbrook Way Lake Pike County | 10 | — | Low | Fair |
| Flagler Monroe County | 19 | 1915 | Low | Fair |
| First Pond Pike County | 10 | — | High | Fair |
| Finkleday (Pa-421) Wayne County | 20 | 1960 | High | Fair |
| Feldman (Pa-420) Wayne County | 33 | 1961 | High | Fair |
| Faylor Lake (Pa-636) Snyder County | 43 | 1983 | High | Fair |
| Fawn Mine #91 Refuse Impoundment Butler County | 120 | — | High | Fair |
| Fawn Lake Pike County | 41 | 1971 | High | Fair |
| F Luzerne County | 43 | 1916 | High | Fair |
| Exton Lake Westmoreland County | 14 | — | Significant | Fair |
| Evans City Waterworks No 1 Butler County | 38 | 1954 | High | Fair |
| Errickson Fish Pond Lehigh County | 15 | 1982 | High | Fair |
| Erie Pool #7 Dam Crawford County | 15 | 1967 | Low | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.