20Total Dams
14High Hazard
0Significant
Dam Safety in Tioga County, Pennsylvania
Tioga County has 20 dams tracked in the National Inventory of Dams. Of these, 14 are classified as high hazard — meaning failure would probably cause loss of human life. Currently, 1 dam has a condition assessment of poor or unsatisfactory.
The average dam in Tioga County is 59 years old. The most common purpose is recreation. The tallest dam is Cowanesque Dam at 151 ft.
Explore more: Oldest dams in Pennsylvania · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Cowanesque Dam | High | Not assessed | 151 | Flood Risk Reduction | 1980 |
| Hammond Dam | High | Not assessed | 122 | Flood Risk Reduction | 1978 |
| Hamilton Lake (pa-602) | High | Fair | 76 | Flood Risk Reduction | 1967 |
| Kelsey Creek (pa-600) | High | Satisfactory | 66 | Flood Risk Reduction | 1967 |
| Eberle (pa-456) | High | Satisfactory | 65 | Flood Risk Reduction | 1964 |
| Beechwood Lake (pa-454) | High | Fair | 63 | Flood Risk Reduction | 1963 |
| Lake Nessmuk (pa-601) | High | Satisfactory | 52 | Recreation | 1968 |
| Griffin (pa-455) | High | Satisfactory | 37 | Flood Risk Reduction | 1963 |
| Hills Creek | High | Satisfactory | 32 | Recreation | 1951 |
| Tioga Dam - Mansfield Levee | High | Not assessed | 29 | Flood Risk Reduction | 1979 |
| Morris Run No 3 | High | Poor | 25 | Water Supply | 1920 |
| Brown | High | Not assessed | 18 | Recreation | 1972 |
| Collum Pond | High | Not assessed | 16 | Recreation | 1965 |
| Borg Dam | High | Not assessed | 15 | Recreation | 1984 |
| Taylor Run | Low | Not assessed | 33 | Other | |
| Hammond Lakes | Low | Not assessed | 23 | Fish and Wildlife Pond | 1970 |
| Lewis Pond | Low | Not assessed | 16 | Recreation | 1971 |
| Brechbill Dam | Low | Not assessed | 16 | Recreation | 1974 |
| Mackiewicz | Low | Not assessed | 15 | Recreation | 1969 |
| Browns Lake | Low | Not assessed | 13 | Recreation | 1964 |