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 126–150 of 310
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Kubalak Bedford County | 26 | — | Significant | Not Rated |
| Kunkels Schuylkill County | 21 | 1870 | Significant | Poor |
| Labelle Slurry Pond No 2 Fayette County | 80 | — | Significant | Not Rated |
| Lake Conewago Lebanon County | 18 | 1919 | Significant | Satisfactory |
| Lake Constance Wayne County | 16 | 1918 | Significant | Fair |
| Lake Di Cio Washington County | 15 | 1953 | Significant | Satisfactory |
| Lake Elsie Wayne County | 9 | 1929 | Significant | Satisfactory |
| Lake Florence Wayne County | 24 | 1948 | Significant | Fair |
| Lake Irena Luzerne County | 24 | 1963 | Significant | Fair |
| Lake Macleod Allegheny County | 30 | — | Significant | Fair |
| Lakemont Farms No 1 Allegheny County | 30 | — | Significant | Satisfactory |
| Lakemont Farms No 2 Allegheny County | 20 | — | Significant | Satisfactory |
| Lake Ridge Estates Detention Westmoreland County | 17 | 2002 | Significant | Not Rated |
| Lake Russell Pike County | 20 | 1957 | Significant | Satisfactory |
| Lake Sabula Clearfield County | 22 | 1870 | Significant | Satisfactory |
| Lake Shawnee Susquehanna County | 27 | 1970 | Significant | Not Available |
| Lakeshore Erie County | 24 | 1932 | Significant | Poor |
| Lake Strause Lebanon County | 14 | 1921 | Significant | Poor |
| Lake Underwood Wayne County | 9 | 1890 | Significant | Satisfactory |
| Lakeview Pond Monroe County | 7 | 1975 | Significant | Poor |
| Lakevue Estates Butler County | 15 | — | Significant | Not Rated |
| Lake Watawga Wayne County | 12 | 1907 | Significant | Poor |
| Lakewood Development Beaver County | 14 | 1982 | Significant | Poor |
| Laroche College Detention Basin #1 Allegheny County | 18 | 1988 | Significant | Satisfactory |
| Laroche College Detention Basin #2 Allegheny County | 17 | 1992 | Significant | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.