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 726–750 of 780
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Belmont Lackawanna County | 33 | 1903 | High | Poor |
| Bellwood Blair County | 61 | 1902 | High | Poor |
| Bel-Aire Lake Susquehanna County | 17 | 1950 | High | Poor |
| Beechwood Lake (Pa-454) Tioga County | 63 | 1963 | High | Fair |
| Beech Mountain Lake Luzerne County | 29 | 1966 | High | Poor |
| Beaver Run Westmoreland County | 92 | 1952 | High | Satisfactory |
| Beaver Pond Wayne County | 15 | 1909 | High | Satisfactory |
| Beaver Pond Pike County | 14 | 1913 | High | Fair |
| Beaver Lake Lodge Pike County | 10 | 1933 | High | Satisfactory |
| Beaver Lake Lycoming County | 9 | 1919 | High | Poor |
| Beaver Lake Wayne County | 30 | 1970 | High | Poor |
| Beaverdam Run Cambria County | 55 | 1975 | High | Fair |
| Beaver Creek (Pa-433) Chester County | 36 | 1975 | High | Satisfactory |
| Bear Gap No 6 Columbia County | 70 | 1915 | High | Satisfactory |
| Bear Gap No 2 Columbia County | 83 | 1923 | High | Fair |
| Bear Creek Lake Luzerne County | 17 | 1915 | High | Satisfactory |
| Bear Creek Lake Carbon County | 35 | 1964 | High | Fair |
| Bathgate Detention Pond Centre County | 21 | 1991 | High | Fair |
| Basin 2 York County | 10 | 1998 | High | Satisfactory |
| Basin 1 York County | 13 | 1998 | High | Satisfactory |
| Barnett Lancaster County | 26 | — | High | Fair |
| Barneston (Pa 432) Chester County | 43 | 1983 | High | Fair |
| Bailey Sediment Pond No 2 Greene County | 39 | — | High | Satisfactory |
| Bailey Sediment Pond No 1 Greene County | 32 | — | High | Satisfactory |
| Bailey No. 8 Slurry Impoundment Greene County | 317 | — | High | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.