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 251–275 of 415
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Kelsey Creek (Pa-600) Tioga County | 66 | 1967 | High | Satisfactory |
| Kauffman Reservoir Schuylkill County | 68 | 1896 | High | Satisfactory |
| Kapp Susquehanna County | 25 | 1990 | Low | Satisfactory |
| Jeffers Pond Susquehanna County | 13 | 1919 | Low | Satisfactory |
| Jacobs Creek Dauphin County | 10 | 1999 | Significant | Satisfactory |
| Jack Clutter Washington County | 45 | 1983 | High | Satisfactory |
| Interlaken Lackawanna County | 10 | 1928 | High | Satisfactory |
| Industrial Wastes, INC South Pond Beaver County | 28 | 1990 | Low | Satisfactory |
| Indspec No 2 Butler County | 27 | 1950 | High | Satisfactory |
| Indian Run Schuylkill County | 94 | 1926 | High | Satisfactory |
| Indian Lake Somerset County | 71 | 1964 | High | Satisfactory |
| Ice Pond Luzerne County | 13 | 1909 | Significant | Satisfactory |
| Huntington Woods Retention Pond Allegheny County | 20 | 1988 | Significant | Satisfactory |
| Huntingdon Smithfield Lily Creek Huntingdon County | 37 | 1967 | High | Satisfactory |
| Hughes Hollow Slurry Impoundment Greene County | 245 | — | High | Satisfactory |
| Howells Run Cambria County | 64 | 1964 | High | Satisfactory |
| House Pond Wayne County | 14 | 1925 | High | Satisfactory |
| Horne No 5 Slurry Washington County | 146 | 1984 | High | Satisfactory |
| Holtwood Lancaster County | 55 | 1910 | Low | Satisfactory |
| Hollidaysburg Muleshoe Reservoir Blair County | 66 | 1957 | High | Satisfactory |
| Hirsch Pike County | 16 | 1958 | Low | Satisfactory |
| Hills Creek Tioga County | 32 | 1951 | High | Satisfactory |
| High Point Lake Somerset County | 45 | 1965 | High | Satisfactory |
| Hidden Lake Wayne County | 17 | 1966 | High | Satisfactory |
| Herr Foods Storage Lagoon Chester County | 15 | 1996 | High | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.