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 226–250 of 429
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Maranacook Lake Kennebec County | 12 | 1820 | Low | Not Rated |
| Marks Lake Washington County | 12 | 1820 | Low | Poor |
| Mars Hill Aroostook County | 14 | 1900 | Low | Not Rated |
| Martin Stream Androscoggin County | 8 | 1890 | Low | Not Rated |
| Mason Waldo County | 15 | 1835 | Low | Satisfactory |
| Massachusetts Bog Franklin County | 16 | 1970 | Low | Fair |
| Mattanawcook Pond Penobscot County | 19 | 1918 | Low | Poor |
| Mechanic Falls Androscoggin County | 15 | 1866 | Low | Satisfactory |
| Meddybemps Lake & Fishway Washington County | 10 | 1973 | Low | Fair |
| Medway Penobscot County | 35 | 1922 | Low | Satisfactory |
| Mercer Bog Somerset County | 27 | 1850 | Low | Not Rated |
| Mic-Mac Washington County | 13 | — | Low | Not Rated |
| Middle Barn Meadow Dam Washington County | 14 | 1944 | Low | Fair |
| Middle Magurrewock Dam Washington County | 15 | 1944 | Low | Fair |
| Middle Range Pond Androscoggin County | 10 | 1975 | Low | Not Rated |
| Middle River Washington County | 16 | 1900 | Low | Not Rated |
| Milford Penobscot County | 34 | 1906 | Low | Satisfactory |
| Mill Kennebec County | 17 | 1830 | Low | Not Rated |
| Millbrook Cumberland County | 14 | 1973 | Low | Not Rated |
| Mill Brook Waldo County | 16 | 1900 | Low | Not Rated |
| Mill Dam Washington County | 10 | 1900 | Low | Not Rated |
| Mill Development Waldo County | 12 | 1900 | Low | Satisfactory |
| Milliken Mills Pond York County | 15 | 1950 | Low | Fair |
| Millinocket Lake Piscataquis County | 11 | 1943 | Low | Satisfactory |
| Mill Pond Oxford County | 25 | 1850 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.