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 1–25 of 77
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Wilson Pond Kennebec County | 16 | 1900 | Significant | Poor |
| Wilson Pond Piscataquis County | 12 | 1907 | Significant | Poor |
| West Grand Lake Washington County | 13 | 1836 | Significant | Satisfactory |
| West Buxton York County | 30 | 1907 | Significant | Satisfactory |
| Waverly Avenue Somerset County | 11 | 1893 | Significant | Fair |
| Wadleigh York County | 14 | 1920 | Significant | Fair |
| Vanceboro Washington County | 21 | 1967 | Significant | Satisfactory |
| Upper Little River Waldo County | 34 | 1910 | Significant | Unsatisfactory |
| Upper Little Falls Washington County | 20 | 1950 | Significant | Poor |
| Ulmer Brook Hancock County | 10 | 1981 | Significant | Unsatisfactory |
| Tolman Knox County | 20 | 1967 | Significant | Poor |
| Swetts Pond Penobscot County | 6 | 1946 | Significant | Poor |
| Swan Lake Waldo County | 10 | 1900 | Significant | Satisfactory |
| Smith Farm Aroostook County | 35 | 1966 | Significant | Fair |
| Sleeper Androscoggin County | 10 | 1850 | Significant | Poor |
| Schools Farm Dam Aroostook County | 18 | — | Significant | Poor |
| Sawyer's Pond Lincoln County | 20 | 1935 | Significant | Fair |
| Sandy Pond #3 Waldo County | 9 | 1900 | Significant | Poor |
| Salmon Lake Kennebec County | 11 | 1896 | Significant | Fair |
| Rumford Falls Middle Dam Oxford County | 20 | 1892 | Significant | Satisfactory |
| River Street York County | 17 | 1870 | Significant | Fair |
| Rice Rips Kennebec County | 23 | 1908 | Significant | Satisfactory |
| Pigeon Brook Cumberland County | 12 | 1811 | Significant | Poor |
| Perry Station Dam Washington County | 20 | 1911 | Significant | Poor |
| Pejepscot Sagadahoc County | 48 | 1896 | Significant | Satisfactory |
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Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.