Dams in Piscataquis County, Maine
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 Rated | 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 Rated | 24 | Hydroelectric | 1856 |
| Telos | Low | Poor | 20 | Hydroelectric | 1890 |
| Churchill | Low | Not Rated | 20 | Hydroelectric | 1968 |
| First Roach Pond | Low | Not Rated | 18 | Hydroelectric | 1905 |
| Loon Lake | Low | Satisfactory | 17 | Hydroelectric | 1914 |
| Pingree Pond | Low | Not Rated | 16 | Hydroelectric | 1900 |
| Harrington Lake | Low | Satisfactory | 16 | Hydroelectric | 1930 |
| Lake Hebron | Low | Not Rated | 16 | Hydroelectric | 1945 |
| Caucomgomoc Lake | Low | Satisfactory | 16 | Hydroelectric | 1981 |
| Lock | Low | Not Rated | 15 | Hydroelectric | 1875 |
| Branns Mill | Low | Not Rated | 14 | Hydroelectric | 1900 |
| Kingsbury | Low | Fair | 13 | Other | 1958 |
| Shirley Pond | Low | Not Rated | 13 | Hydroelectric | 1959 |
| Guilford | Low | Not Rated | 12 | Other | 1963 |
| Nesowadnehunk | Low | Not Rated | 12 | Hydroelectric | 1930 |
| Spencer Pond | Low | Not Rated | 12 | Recreation | 1965 |
| Upper Dam | Low | Satisfactory | 12 | 1908 | |
| Millinocket Lake | Low | Satisfactory | 11 | Hydroelectric | 1943 |
| Seboeis Lake | Low | Not Rated | 11 | Hydroelectric | 1925 |
| Schoodic Lake | Low | Not Rated | 11 | Hydroelectric | 1929 |
| Manhanock Pond | Low | Not Rated | 10 | Recreation | 1878 |
| Lucky Pond | Low | Not Rated | 10 | Other | 1960 |
| Boyd Lake | Low | Not Rated | 8 | Other | |
| Milo | Low | Satisfactory | 8 | Hydroelectric | 1881 |
| Lazy Tom | Low | Not Rated | 8 | Recreation | 1900 |
| Little Moose | Low | Not Rated | 8 | Recreation | 1987 |
| First Davis Pond | Low | Not Rated | 8 | Recreation | 1900 |