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 378
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Pa-103 Bradford County | 20 | 1974 | Low | Not Rated |
| Pa-104 Crawford County | 8 | 1975 | Low | Not Rated |
| Pa-106 Crawford County | 12 | 1978 | Low | Not Rated |
| Pa-113 Bradford County | 23 | 1980 | Low | Not Rated |
| Painter Den Pond Sullivan County | 10 | — | Low | Not Rated |
| Palmer Berks County | 20 | 1969 | Low | Poor |
| Patterson Beaver County | 14 | 1825 | Low | Satisfactory |
| Peach Bottom Atomic Power York County | 34 | 1973 | Low | Not Rated |
| Pegs Run Slurry Impoundment Greene County | 39 | 1983 | Low | Fair |
| Pence Bedford County | 13 | 1842 | Low | Not Rated |
| Pike Township Clearfield County | 42 | 1975 | Low | Not Rated |
| Pine Crest Lake Pike County | 8 | — | Low | Satisfactory |
| Pine Grove Chester County | 10 | 1919 | Low | Not Rated |
| Pine View Luzerne County | 18 | — | Low | Not Rated |
| Pleasant Valley Carbon County | 42 | 1967 | Low | Satisfactory |
| Pohopoco Creek Carbon County | 18 | 1909 | Low | Satisfactory |
| Polk Pond Susquehanna County | 11 | 1996 | Low | Fair |
| Pond Lycoming County | 15 | — | Low | Not Rated |
| Pond No 1 Chester County | 71 | 1970 | Low | Fair |
| Pond No 2 Chester County | 36 | — | Low | Poor |
| Pond No 3 Chester County | 28 | — | Low | Fair |
| Posts Pond Susquehanna County | 10 | 1910 | Low | Fair |
| Premium Fine Coal Cleaning Plant Schuylkill County | 20 | — | Low | Not Available |
| Purdy (Stump Pond) Susquehanna County | 7 | 1919 | Low | Unsatisfactory |
| Ramey Clearfield County | 17 | — | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.