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 276–300 of 378
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Erie Pool K Dam Crawford County | 11 | 1971 | Low | Poor |
| Erie Pool #9 Dam Crawford County | 22 | 1968 | Low | Satisfactory |
| Erie Pool #7 Dam Crawford County | 15 | 1967 | Low | Fair |
| Erie Pool #4 Dam Crawford County | 12 | 1980 | Low | Fair |
| Encke Somerset County | 46 | 1994 | Low | Not Rated |
| Emmons Harvey Pond Wyoming County | 16 | 1964 | Low | Not Available |
| Elder Bedford County | 37 | — | Low | Not Rated |
| Eisenhart Mill York County | 8 | 1919 | Low | Not Rated |
| Egypt Meadow Lake Pike County | 8 | 1935 | Low | Fair |
| Edwards Indiana County | 30 | 1917 | Low | Not Rated |
| Easton Anglers Monroe County | 10 | 1929 | Low | Not Rated |
| Easton Northampton County | 30 | 1943 | Low | Satisfactory |
| East Lake Susquehanna County | 7 | 1919 | Low | Poor |
| Dutch Country Egg Farm Lebanon County | 29 | — | Low | Not Rated |
| Dunmore No 3 Lackawanna County | 14 | 1845 | Low | Fair |
| Drann Susquehanna County | 12 | 1919 | Low | Satisfactory |
| Doverspike Brothers Jefferson County | 27 | — | Low | Not Rated |
| Douglas Pond Wayne County | 12 | 1964 | Low | Fair |
| Donald Amick Pond Bedford County | 16 | 1967 | Low | Not Available |
| Diamond Lake Greene County | 35 | — | Low | Fair |
| Detention Pond Lehigh County | 32 | 1984 | Low | Fair |
| Deer Valley Lake Somerset County | 22 | 1953 | Low | Not Rated |
| Decker Swamp Pike County | 11 | 1951 | Low | Poor |
| David Strongs Erie County | 24 | — | Low | Not Rated |
| Custards Crawford County | 8 | 1972 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.