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 226–250 of 415
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Lake Ladore Wayne County | 28 | 1860 | High | Satisfactory |
| Lake Julia Fayette County | 34 | 1965 | High | Satisfactory |
| Lake Jo-Ann Washington County | 16 | 1950 | High | Satisfactory |
| Lake Jamie Monroe County | 12 | 1956 | High | Satisfactory |
| Lake In The Clouds Pike County | 14 | 1952 | High | Satisfactory |
| Lake Hauto Carbon County | 33 | 1914 | High | Satisfactory |
| Lake Greeley Pike County | 10 | 1916 | High | Satisfactory |
| Lake Elsie Wayne County | 9 | 1929 | Significant | Satisfactory |
| Lake Ellyn Wayne County | 12 | 1914 | High | Satisfactory |
| Lake Di Cio Washington County | 15 | 1953 | Significant | Satisfactory |
| Lake Conewago Lebanon County | 18 | 1919 | Significant | Satisfactory |
| 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 Adventure Pike County | 16 | 1978 | High | Satisfactory |
| Labelle Slurry Pond #3 Fayette County | 245 | 1958 | High | Satisfactory |
| Kyle Jefferson County | 33 | 1910 | High | Satisfactory |
| Koenigs Creek (Pa-425) Schuylkill County | 25 | 1962 | High | Satisfactory |
| Klines Columbia County | 21 | 1885 | Low | Satisfactory |
| Kizer Pond (Pica Pond) Lackawanna County | 9 | 1845 | Low | Satisfactory |
| Kinzua Upper Reservoir Dike Warren County | 135 | 1970 | High | Satisfactory |
| Kinsley Detention Basin York County | 15 | 1998 | Significant | Satisfactory |
| Kinneyville Pond Wayne County | 20 | 1850 | Low | Satisfactory |
| Keystone Station Armstrong County | 100 | 1965 | High | Satisfactory |
| Kern Run (Pa-638) Snyder County | 61 | 1983 | High | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.