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 351–375 of 429
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Songo Lock Cumberland County | 19 | 1830 | Low | Not Rated |
| South Berwick York County | 38 | 1923 | Low | Not Rated |
| South Meduxnekeag Aroostook County | 8 | — | Low | Not Rated |
| Spencer Lake Somerset County | 14 | 1946 | Low | Not Rated |
| Spencer Pond Piscataquis County | 12 | 1965 | Low | Not Rated |
| Spragues Mill Penobscot County | 14 | 1955 | Low | Poor |
| Springs Island York County | 12 | 1925 | Low | Satisfactory |
| Square Pond York County | 17 | 1900 | Low | Not Rated |
| Stanhope Mill #2 Lower Penobscot County | 13 | 1827 | Low | Not Rated |
| Stanley Pond Oxford County | 9 | 1929 | Low | Not Rated |
| Staples Pond Franklin County | 10 | 1962 | Low | Not Rated |
| State Street Aroostook County | 21 | 1928 | Low | Not Rated |
| Stevens Pond Waldo County | 12 | 1820 | Low | Not Rated |
| Stillwater Penobscot County | 25 | 1902 | Low | Satisfactory |
| Stoddards Pond Sagadahoc County | 23 | 1964 | Low | Fair |
| Stone Dam - Dike 1 Penobscot County | 10 | 1900 | Low | Satisfactory |
| Stone Dam - Dike 2 Penobscot County | 10 | 1900 | Low | Satisfactory |
| Stone Dam - Dike 3 Penobscot County | 10 | 1900 | Low | Satisfactory |
| Stone Dam - Dike 4 Penobscot County | 9 | 1900 | Low | Satisfactory |
| Stone Dam - Dike 5 Penobscot County | 9 | 1900 | Low | Satisfactory |
| Stone Dam - Dike 6 Penobscot County | 9 | 1900 | Low | Satisfactory |
| Stone Dam - Dike 7 Penobscot County | 9 | 1900 | Low | Satisfactory |
| Stony Brook Oxford County | 12 | 1976 | Low | Satisfactory |
| Stroudwater River Cumberland County | 16 | 1849 | Low | Fair |
| Stump Franklin County | 10 | 1948 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.