14Total Dams
3High Hazard
2Significant
Dam Safety in Knox County, Maine
Knox County has 14 dams tracked in the National Inventory of Dams. Of these, 3 are classified as high hazard — meaning failure would probably cause loss of human life. Another 2 carry a significant hazard classification. Currently, 5 dams have a condition assessment of poor or unsatisfactory.
The average dam in Knox County is 102 years old. The most common purpose is fire protection, stock, or small fish pond. The tallest dam is Casket Mill at 25 ft.
Explore more: Oldest dams in Maine · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Seabright | High | Satisfactory | 23 | Hydroelectric | 1900 |
| Megunticook East | High | Poor | 18 | Fire Protection, Stock, Or Small Fish Pond | 1900 |
| Megunticook West | High | Poor | 14 | Fire Protection, Stock, Or Small Fish Pond | 1900 |
| Tolman | Significant | Poor | 20 | Fire Protection, Stock, Or Small Fish Pond | 1967 |
| Lermond Pond | Significant | Poor | 12 | Hydroelectric | 1850 |
| Casket Mill | Low | Poor | 25 | Hydroelectric | 1920 |
| Maine Blueberry Association Dam | Low | Not assessed | 16 | Irrigation | 1966 |
| Forest Pond | Low | Not assessed | 15 | Other | 1920 |
| Mill Pond | Low | Not assessed | 15 | Fish and Wildlife Pond | 1920 |
| Henderson #1 | Low | Not assessed | 11 | Recreation | 1970 |
| Henderson #2 | Low | Not assessed | 11 | Recreation | 1970 |
| Grassy Pond | Low | Not assessed | 11 | Water Supply | 1962 |
| Fish Pond | Low | Not assessed | 9 | Recreation | 1874 |
| Mill Pond | Undetermined | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1915 |