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 101–125 of 195
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Lake Williams York County | 58 | 1912 | High | Poor |
| Lake Watawga Wayne County | 12 | 1907 | Significant | Poor |
| Lake Watawah Monroe County | 19 | 1922 | Low | Poor |
| Lakeview Pond Monroe County | 7 | 1975 | Significant | Poor |
| Lake Swiftwater Monroe County | 31 | 1930 | High | Poor |
| Lake Susquehanna Luzerne County | 51 | 1973 | High | Poor |
| Lake Strause Lebanon County | 14 | 1921 | Significant | Poor |
| Lake Somerset Somerset County | 23 | 1956 | High | Poor |
| Lakeshore Erie County | 24 | 1932 | Significant | Poor |
| Lake Redman York County | 52 | 1967 | High | Poor |
| Lake Quinn Wayne County | 12 | 1946 | High | Poor |
| Lake Pinecrest Luzerne County | 18 | 1959 | High | Poor |
| Lake Montrose Susquehanna County | 14 | 1919 | High | Poor |
| Lake Mokoma Sullivan County | 16 | 1890 | High | Poor |
| Lake Meade Adams County | 42 | 1967 | High | Poor |
| Lake Lattimore Pike County | 15 | 1930 | High | Poor |
| Lake Heron Perry County | 25 | 1970 | High | Poor |
| Lake Heritage Adams County | 53 | 1966 | High | Poor |
| Lake Hamilton Wayne County | 15 | 1954 | High | Poor |
| Lake George Somerset County | 45 | 1989 | High | Poor |
| Lake Clemo Wayne County | 7 | 1934 | Low | Poor |
| Lake Choctaw Schuylkill County | 34 | 1974 | High | Poor |
| Lake Carey Wyoming County | 13 | 1876 | High | Poor |
| Lake Akiba Monroe County | 22 | 1926 | High | Poor |
| Kunkels Schuylkill County | 21 | 1870 | Significant | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.