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 851–875 of 1,481
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Lake Chillisquaque Montour County | 54 | 1971 | High | Fair |
| Lake Catalpa Luzerne County | 23 | 1860 | High | Fair |
| Lake Caroline Bucks County | 12 | 1953 | Low | Fair |
| Lake Carey Wyoming County | 13 | 1876 | High | Poor |
| Lake Bonin Bradford County | 25 | 1972 | High | Satisfactory |
| Lake Blytheburn Luzerne County | 9 | 1912 | High | Satisfactory |
| Lake Antietam Berks County | 60 | 1880 | High | Satisfactory |
| Lake Altoona Blair County | 65 | 1913 | High | Fair |
| Lake Aleeda Luzerne County | 27 | 1965 | High | Fair |
| Lake Akiba Monroe County | 22 | 1926 | High | Poor |
| Lake Adventure Pike County | 16 | 1978 | High | Satisfactory |
| Lackawanna Lackawanna County | 69 | 1971 | High | Fair |
| Labelle Slurry Pond No 2 Fayette County | 80 | — | Significant | Not Rated |
| Labelle Slurry Pond #3 Fayette County | 245 | 1958 | High | Satisfactory |
| Kyle Jefferson County | 33 | 1910 | High | Satisfactory |
| Kunkels Schuylkill County | 21 | 1870 | Significant | Poor |
| Kubalak Bedford County | 26 | — | Significant | Not Rated |
| K-Section Adams County | 12 | 1970 | Significant | Fair |
| Kooser Run Somerset County | 27 | 1959 | High | Fair |
| Koenigs Creek (Pa-425) Schuylkill County | 25 | 1962 | High | Satisfactory |
| Knox Road Detention Montgomery County | 10 | 1979 | Significant | Fair |
| Knight Montgomery County | 22 | 1960 | High | Fair |
| Knecht Columbia County | 12 | 1954 | Low | Not Rated |
| Klingerman Columbia County | 32 | — | Significant | Not Rated |
| Klines Columbia County | 21 | 1885 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.