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 626–650 of 780
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Dalton Run Somerset County | 61 | 1905 | High | Poor |
| Curwensville Dam Clearfield County | 131 | 1965 | High | Not Available |
| Curtis Lackawanna County | 45 | 1887 | High | Poor |
| Cummings Indiana County | 29 | 1908 | High | Fair |
| Cumberland No. 2 Slurry Pond Greene County | 370 | — | High | Satisfactory |
| Cumberland No. 1 Slurry Pond 1 Greene County | 380 | 1984 | High | Satisfactory |
| Crystal Run Reservoir Schuylkill County | 38 | 1898 | High | Fair |
| Crystal Lake Dam 3 Luzerne County | 20 | 1888 | High | Satisfactory |
| Crystal Lake Dam 2 Luzerne County | 12 | 1888 | High | Satisfactory |
| Crystal Lake Luzerne County | 32 | 1888 | High | Satisfactory |
| Crystal Lake Wayne County | 13 | 1926 | High | Satisfactory |
| Crum Creek Delaware County | 25 | 1920 | High | Fair |
| Cross Creek (Pa-662) Washington County | 50 | 1983 | High | Satisfactory |
| Cross Creek (Pa-661) Washington County | 82 | 1979 | High | Satisfactory |
| Croops Luzerne County | 28 | 1958 | High | Satisfactory |
| Crooked Creek (Pa-488) Mercer County | 29 | 1994 | High | Fair |
| Crooked Creek Dam Armstrong County | 143 | 1940 | High | Not Available |
| Crescent Lake Pike County | 45 | 1959 | High | Fair |
| Crawford Lake Monroe County | 21 | 1938 | High | Satisfactory |
| Craft Pond Wayne County | 19 | 1892 | High | Poor |
| Cowans Gap Fulton County | 32 | 1936 | High | Satisfactory |
| Cowanesque Dam Tioga County | 151 | 1980 | High | Not Available |
| Cornwall Tailings Lebanon County | 200 | 1961 | High | Fair |
| Core Creek (Pa-620) Bucks County | 47 | 1976 | High | Fair |
| Cooks Pond Bradford County | 15 | 1997 | High | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.