37Total Dams
6High Hazard
2Significant
Dam Safety in Piscataquis County, Maine
Piscataquis County has 37 dams tracked in the National Inventory of Dams. Of these, 6 are classified as high hazard — meaning failure would probably cause loss of human life. Another 2 carry a significant hazard classification. Currently, 3 dams have a condition assessment of poor or unsatisfactory.
The average dam in Piscataquis County is 95 years old. The most common purpose is hydroelectric. The tallest dam is Ripogenus at 83 ft.
Explore more: Oldest dams in Maine · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Ripogenus | High | Satisfactory | 83 | Hydroelectric | 1916 |
| East Davee Brook | High | Satisfactory | 28 | Flood Risk Reduction | 1972 |
| Dunham Brook | High | Satisfactory | 18 | Flood Risk Reduction | 1973 |
| Snow's Pond Dike | High | Satisfactory | 18 | Hydroelectric | |
| Sebec | High | Satisfactory | 15 | Hydroelectric | 1984 |
| North Twin - Dike 6 | High | Satisfactory | 13 | Hydroelectric | 1934 |
| Gordon's Pond | Significant | Not assessed | 40 | Fish and Wildlife Pond | 1965 |
| Wilson Pond | Significant | Poor | 12 | Hydroelectric | 1907 |
| Wilson Stream | Low | Poor | 36 | Hydroelectric | 1920 |
| Ragged Lake | Low | Satisfactory | 30 | Hydroelectric | 1937 |
| Browns Mill | Low | Not assessed | 24 | Hydroelectric | 1856 |
| Telos | Low | Poor | 20 | Hydroelectric | 1890 |
| Churchill | Low | Not assessed | 20 | Hydroelectric | 1968 |
| First Roach Pond | Low | Not assessed | 18 | Hydroelectric | 1905 |
| Loon Lake | Low | Satisfactory | 17 | Hydroelectric | 1914 |
| Pingree Pond | Low | Not assessed | 16 | Hydroelectric | 1900 |
| Harrington Lake | Low | Satisfactory | 16 | Hydroelectric | 1930 |
| Lake Hebron | Low | Not assessed | 16 | Hydroelectric | 1945 |
| Caucomgomoc Lake | Low | Satisfactory | 16 | Hydroelectric | 1981 |
| Lock | Low | Not assessed | 15 | Hydroelectric | 1875 |
| Branns Mill | Low | Not assessed | 14 | Hydroelectric | 1900 |
| Kingsbury | Low | Fair | 13 | Other | 1958 |
| Shirley Pond | Low | Not assessed | 13 | Hydroelectric | 1959 |
| Guilford | Low | Not assessed | 12 | Other | 1963 |
| Nesowadnehunk | Low | Not assessed | 12 | Hydroelectric | 1930 |
| Spencer Pond | Low | Not assessed | 12 | Recreation | 1965 |
| Upper Dam | Low | Satisfactory | 12 | 1908 | |
| Millinocket Lake | Low | Satisfactory | 11 | Hydroelectric | 1943 |
| Seboeis Lake | Low | Not assessed | 11 | Hydroelectric | 1925 |
| Schoodic Lake | Low | Not assessed | 11 | Hydroelectric | 1929 |
| Manhanock Pond | Low | Not assessed | 10 | Recreation | 1878 |
| Lucky Pond | Low | Not assessed | 10 | Other | 1960 |
| Boyd Lake | Low | Not assessed | 8 | Other | |
| Milo | Low | Satisfactory | 8 | Hydroelectric | 1881 |
| Lazy Tom | Low | Not assessed | 8 | Recreation | 1900 |
| Little Moose | Low | Not assessed | 8 | Recreation | 1987 |
| First Davis Pond | Low | Not assessed | 8 | Recreation | 1900 |