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 301–325 of 582
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Lubec Water & Elec. Light Co. Washington County | 14 | 1900 | Low | Not Rated |
| Lower West Bay Pond Hancock County | 12 | 1920 | High | Poor |
| Lower Togus Pond Kennebec County | 15 | 1900 | Low | Not Rated |
| Lower Sabao Lake Hancock County | 8 | 1900 | Low | Not Rated |
| Lower Magurrewock Dam Washington County | 8 | 1957 | Low | Fair |
| Lower Little River Waldo County | 36 | 1943 | Significant | Satisfactory |
| Lower Lead Mountain Hancock County | 9 | 1900 | Low | Not Rated |
| Lower Kezar Falls York County | 9 | 1910 | Low | Satisfactory |
| Lower Jr Grant Washington County | 26 | — | Low | Not Rated |
| Lower Hadlock Pond Hancock County | 12 | 1934 | Low | Satisfactory |
| Lowell Tannery Penobscot County | 27 | 1987 | Low | Satisfactory |
| Lowell Lake Penobscot County | 12 | 1900 | Low | Poor |
| Lovley's Dam Penobscot County | 12 | 1974 | Low | Not Rated |
| Lovejoy Pond Kennebec County | 18 | 1835 | Low | Satisfactory |
| Loon Lake Piscataquis County | 17 | 1914 | Low | Satisfactory |
| Long Pond Somerset County | 12 | 1918 | Low | Satisfactory |
| Long Pond Penobscot County | 14 | 1949 | Low | Not Rated |
| Long Pond Hancock County | 8 | 1930 | Significant | Poor |
| Long Pond Penobscot County | 12 | 1915 | Low | Not Rated |
| Long Pond Franklin County | 10 | 1930 | Low | Not Rated |
| Lockwood Kennebec County | 17 | 1919 | Low | Satisfactory |
| Locke Mills Oxford County | 15 | 1870 | Significant | Satisfactory |
| Lock Piscataquis County | 15 | 1875 | Low | Not Rated |
| Livermore Falls Androscoggin County | 22 | 1908 | Low | Satisfactory |
| Little Sebago Lake Cumberland County | 15 | 1890 | Significant | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.