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 551–575 of 780
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Page Lake Susquehanna County | 17 | 1863 | High | Fair |
| Palomino Farms Retention Basin Bucks County | 15 | 1977 | High | Fair |
| Panther Hollow Lake Allegheny County | — | — | High | Not Rated |
| Parker Clearfield County | 25 | 1935 | High | Fair |
| Park Place No 3 Schuylkill County | 34 | 1909 | High | Fair |
| Patsys Lake Fayette County | 35 | 1900 | High | Satisfactory |
| Peace Valley (Pa-617) Bucks County | 66 | 1973 | High | Satisfactory |
| Pecks Pond Pike County | 7 | 1906 | High | Poor |
| Penn Forest Carbon County | 151 | 1998 | High | Satisfactory |
| Penn Lake Luzerne County | 34 | 1905 | High | Poor |
| Penn Nursery Centre County | 23 | 1972 | High | Poor |
| Penn Scenic View Pond Somerset County | 22 | — | High | Satisfactory |
| Perch Pond Wayne County | 13 | 1913 | High | Fair |
| Perrins Marsh Wyoming County | 6 | 1919 | High | Fair |
| Philadelphia Mills Philadelphia County | 24 | 1994 | High | Fair |
| Philipsburg No 3 (Upper) Centre County | 17 | 1921 | High | Fair |
| Pickerel Pond Pike County | 14 | 1951 | High | Fair |
| Pickering Creek Chester County | 36 | 1928 | High | Fair |
| Pikes Creek Luzerne County | 65 | 1911 | High | Satisfactory |
| Pinchot Lake York County | 50 | 1959 | High | Fair |
| Pine Creek (North Park Lake) Allegheny County | 33 | 1936 | High | Fair |
| Pine Grove Lancaster County | 65 | 1949 | High | Fair |
| Pine Run Schuylkill County | 75 | 1933 | High | Satisfactory |
| Pine Run Flood Retarding Montgomery County | 21 | 2014 | High | Satisfactory |
| Pine Run No 1 Luzerne County | 43 | 1884 | High | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.