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 1126–1150 of 1,481
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Elmhurst Lackawanna County | 64 | 1889 | High | Satisfactory |
| Elmcrest Lackawanna County | 9 | 1955 | High | Fair |
| Elk Lick Scout Reservation McKean County | 13 | — | Significant | Satisfactory |
| Elk Lake Wayne County | 11 | 1865 | High | Satisfactory |
| El-Do Lake Monroe County | 13 | — | High | Poor |
| Elder Bedford County | 37 | — | Low | Not Rated |
| Eisenhuth Reservoir Schuylkill County | 49 | 1875 | High | Fair |
| Eisenhart Mill York County | 8 | 1919 | Low | Not Rated |
| Eidemiller Lake Westmoreland County | 22 | 1992 | High | Satisfactory |
| Egypt Meadow Lake Pike County | 8 | 1935 | Low | Fair |
| Egelman Reservoir Berks County | 15 | 1901 | High | Poor |
| Edwards Indiana County | 30 | 1917 | Low | Not Rated |
| Edinboro Lake Erie County | 18 | 1909 | High | Poor |
| Echo Lake Northampton County | 10 | 1911 | Significant | Poor |
| Eberle (Pa-456) Tioga County | 65 | 1964 | High | Satisfactory |
| Ebensburg Storage Cambria County | 16 | 1923 | High | Poor |
| Ebenezer Lebanon County | 25 | 1820 | Significant | Satisfactory |
| Eaton Reservoir Erie County | 22 | 1939 | High | Poor |
| East Stroudsburg Monroe County | 48 | 1936 | High | Satisfactory |
| Easton Anglers Monroe County | 10 | 1929 | Low | Not Rated |
| Easton Northampton County | 30 | 1943 | Low | Satisfactory |
| East Lake Susquehanna County | 7 | 1919 | Low | Poor |
| East Branch Dam Elk County | 184 | 1952 | High | Not Available |
| East Birchwood Lake Pike County | 11 | 2006 | High | Satisfactory |
| Eagle Lake Lackawanna County | 12 | 1895 | High | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.