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 |
|---|---|---|---|---|
| Ledgemere York County | 25 | 1905 | Significant | Satisfactory |
| Kesslen York County | 18 | 1954 | Low | Satisfactory |
| Kelly Waldo County | 15 | 1835 | Low | Satisfactory |
| Jay Franklin County | 24 | 1912 | Low | Satisfactory |
| Indian Pond - West Dike Somerset County | 10 | 1955 | Low | Satisfactory |
| Indian Pond - East Dike Somerset County | 15 | 1955 | Significant | Satisfactory |
| Indian Pond Somerset County | 175 | 1955 | High | Satisfactory |
| Hydro-Kennebec (Old Canal Gatehouse) Kennebec County | 28 | 1989 | High | Satisfactory |
| Hydro-Kennebec Kennebec County | 35 | 1989 | Low | Satisfactory |
| Hiram Oxford County | 30 | 1917 | Low | Satisfactory |
| Highland Lake Westbrook Cumberland County | 11 | 1930 | Low | Satisfactory |
| Highland Lake Bridgton Cumberland County | 8 | 1900 | Low | Satisfactory |
| Harrington Lake Piscataquis County | 16 | 1930 | Low | Satisfactory |
| Hackett Mills Androscoggin County | 8 | 1986 | Low | Satisfactory |
| Gulf Island Androscoggin County | 99 | 1926 | High | Satisfactory |
| Green Lake Hancock County | 8 | 1911 | Low | Satisfactory |
| Great Moose Lake Somerset County | 16 | 1924 | Significant | Satisfactory |
| Graham Lake Flood Control Hancock County | 58 | 1994 | High | Satisfactory |
| Graham Lake Dam Hancock County | 43 | 1924 | High | Satisfactory |
| Gilman Falls Penobscot County | 8 | 1906 | Low | Satisfactory |
| Gambo Cumberland County | 24 | 1911 | Low | Satisfactory |
| Foss Mill - Dike Waldo County | 10 | 1997 | Low | Satisfactory |
| Foss Mill Waldo County | 13 | 1981 | Low | Satisfactory |
| Forest City Washington County | 12 | 1949 | Low | Satisfactory |
| Flagstaff Somerset County | 45 | 1948 | High | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.