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 201–225 of 378
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Lake Rowena Cambria County | 17 | 1951 | Low | Not Rated |
| Lake-O-Meadows Bradford County | 7 | — | Low | Not Rated |
| Lake Nephowen Bradford County | 9 | — | Low | Not Rated |
| Lake Moc-A-Tek Wayne County | 10 | — | Low | Fair |
| Lake Minausin Monroe County | 20 | 1903 | Low | Unsatisfactory |
| Lake Manjo Luzerne County | 15 | 1932 | Low | Fair |
| Lake Lloyd Potter County | 10 | — | Low | Not Rated |
| Lake Lenape Monroe County | 10 | 1901 | Low | Not Rated |
| Lake La Tsuga Crawford County | 8 | 1877 | Low | Not Rated |
| Lake Kimberly Perry County | 16 | 1970 | Low | Not Rated |
| Lake John Sullivan County | 15 | 1958 | Low | Not Rated |
| Lake Fernwood Wayne County | 8 | — | Low | Fair |
| Lake Como Wayne County | 12 | 1914 | Low | Fair |
| Lake Clemo Wayne County | 7 | 1934 | Low | Poor |
| Lake Caroline Bucks County | 12 | 1953 | Low | Fair |
| Knecht Columbia County | 12 | 1954 | Low | Not Rated |
| Klines Columbia County | 21 | 1885 | Low | Satisfactory |
| Klinche Pond Wayne County | 9 | — | Low | Fair |
| Kizer Pond (Pica Pond) Lackawanna County | 9 | 1845 | Low | Satisfactory |
| Kinneyville Pond Wayne County | 20 | 1850 | Low | Satisfactory |
| Kessler York County | 11 | 1937 | Low | Not Rated |
| Keister Fayette County | 33 | 1900 | Low | Not Rated |
| Keilar Luzerne County | 19 | 1911 | Low | Fair |
| Kapp Susquehanna County | 25 | 1990 | Low | Satisfactory |
| Johnston Butler County | 26 | 1978 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.