Maine Dams
582 dams tracked by the National Inventory of Dams
Total Dams
582
High Hazard
75
12.9%
Poor / Unsatisfactory
80
Average Age
111 yrs
Hazard Classification
High75 (12.9%)
Significant77 (13.2%)
Low429 (73.7%)
Condition Assessment
Satisfactory166 (28.5%)
Fair72 (12.4%)
Poor / Unsatisfactory80 (13.7%)
Not Rated264 (45.4%)
Federal
24
State
49
Local
155
Private
280
Tallest Dams
- Indian Pond 175 ft
- Wyman 155 ft
- Gulf Island 99 ft
- Ripogenus 83 ft
- Skelton 75 ft
High Hazard Dams
- Indian Pond High
- Wyman High
- Gulf Island High
- Ripogenus High
- Skelton High
Poor Condition Dams
- Libby BrookUnsatisfactory
- WoodlandPoor
- Bryant PondUnsatisfactory
- Old FallsPoor
- Wilson StreamPoor
All Dams in Maine
Showing 101–125 of 166
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| North Twin - Dike 5 Penobscot County | 11 | 1934 | Significant | Satisfactory |
| North Twin - Dike 6 Piscataquis County | 13 | 1934 | High | Satisfactory |
| Norway Hydro Oxford County | 19 | 1935 | Low | Satisfactory |
| Noyes Mill Aroostook County | 32 | 1962 | High | Satisfactory |
| Oakland Kennebec County | 14 | 1901 | Low | Satisfactory |
| Orono Penobscot County | 15 | 1917 | Low | Satisfactory |
| Otis Franklin County | 19 | 1898 | Low | Satisfactory |
| Pejepscot Sagadahoc County | 48 | 1896 | Significant | Satisfactory |
| Penobscot Lake Somerset County | 14 | 1916 | Low | Satisfactory |
| Puffers Pond Penobscot County | 10 | 1810 | Low | Satisfactory |
| Ragged Lake Piscataquis County | 30 | 1937 | Low | Satisfactory |
| Raynes Farm Sagadahoc County | 11 | 1949 | Low | Satisfactory |
| Rice Rips Kennebec County | 23 | 1908 | Significant | Satisfactory |
| Riley Franklin County | 23 | 1897 | Low | Satisfactory |
| Ripogenus Piscataquis County | 83 | 1916 | High | Satisfactory |
| Rocky Gorge Upper York County | 10 | 1900 | Low | Satisfactory |
| Rocky Lake Washington County | 14 | 1966 | Low | Satisfactory |
| Rocky Lake Outlet Washington County | 5 | 1966 | Low | Satisfactory |
| Rumford Falls Middle Dam Oxford County | 20 | 1892 | Significant | Satisfactory |
| Rumford Falls Upper Dam Oxford County | 40 | 1918 | High | Satisfactory |
| Run Around Penobscot County | 15 | 1894 | Low | Satisfactory |
| Sandy Creek Cumberland County | 12 | 1900 | Low | Satisfactory |
| Scopan Aroostook County | 35 | 1928 | High | Satisfactory |
| Seabright Knox County | 23 | 1900 | High | Satisfactory |
| Sebasticook Penobscot County | 15 | 1988 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.