Tallest Dams in Maine

Maine has 582 dams with recorded heights. The tallest is Indian Pond at 175 feet. Taller dams impound more water and carry greater potential energy, which is why height is a key factor in hazard classification and inspection requirements.

#	Dam	County	Height (ft)	Type	Purpose	Hazard	Year
1	Indian Pond	Somerset	175	Concrete	Hydroelectric	High	1955
2	Wyman	Somerset	155	Earth	Hydroelectric	High	1930
3	Gulf Island	Androscoggin	99	Concrete	Hydroelectric	High	1926
4	Ripogenus	Piscataquis	83	Concrete	Hydroelectric	High	1916
5	Violette Brook	Aroostook	75	Earth	Flood Risk Reduction	High	1975
6	Skelton	York	75	Concrete	Hydroelectric	High	1948
7	Aziscohos	Oxford	74	Buttress	Hydroelectric	High	1911
8	Mount Zircon	Oxford	70	Earth	Water Supply	High	1914
9	Bonny Eagle	York	67	Concrete	Hydroelectric	Low	1911
10	Trafton Lake	Aroostook	66	Earth	Flood Risk Reduction	High	1969
11	Dolby	Penobscot	66	Concrete	Hydroelectric	High	1906
12	Ellsworth	Hancock	62	Concrete	Hydroelectric	High	1907
13	Bell Marsh	York	62	Earth	Water Supply	High	1987
14	Durepo Brook	Aroostook	60	Earth	Flood Risk Reduction	High	1974
15	Seboomook Lake	Somerset	60	Concrete	Hydroelectric	High	1936
16	Graham Lake Flood Control	Hancock	58	Concrete	Hydroelectric	High	1994
17	Deer Rips	Androscoggin	54	Concrete	Hydroelectric	Low	1903
18	Libby Brook	Aroostook	53	Earth	Flood Risk Reduction	High	1965
19	Weston - South Channel	Somerset	51	Concrete	Hydroelectric	High	1921
20	Grand Falls		50	Concrete	Hydroelectric	High	1915
21	Dundee	Cumberland	50	Concrete	Hydroelectric	High	1913
22	Canada Falls Lake	Somerset	50	Concrete	Hydroelectric	High	1921
23	Brassua	Somerset	50	Concrete	Hydroelectric	High	1927
24	Cataract - East Channel Dam	York	49	Concrete	Hydroelectric	Low	1938
25	Pejepscot	Sagadahoc	48	Timber Crib	Hydroelectric	Significant	1896
26	Woodland	Washington	46	Concrete	Hydroelectric	High	1906
27	Hanson Brook	Aroostook	45	Earth	Flood Risk Reduction	High	1966
28	Bryant Pond	Aroostook	45	Earth	Flood Risk Reduction	High	1964
29	Mattaceunk	Penobscot	45	Concrete	Hydroelectric	High	1939
30	Williams	Somerset	45	Earth	Hydroelectric	Low	1939
31	Flagstaff	Somerset	45	Earth	Hydroelectric	High	1948
32	New Dam	York	45	Concrete	Hydroelectric	High	1910
33	Graham Lake Dam	Hancock	43	Concrete	Hydroelectric	High	1924
34	Brunswick	Cumberland	42	Concrete	Hydroelectric	Low	1982
35	Rumford Falls Upper Dam	Oxford	40	Concrete	Hydroelectric	High	1918
36	Pond Farm	Penobscot	40	Concrete	Recreation	Low	1920
37	Gordon's Pond	Piscataquis	40	Gravity	Fish and Wildlife Pond	Significant	1965
38	West Enfield	Penobscot	39	Concrete	Hydroelectric	Low	1988
39	Weston - North Channel	Somerset	38	Concrete	Hydroelectric	High	1921
40	South Berwick	York	38	Concrete	Hydroelectric	Low	1923
41	Wilson Stream	Piscataquis	36	Concrete	Hydroelectric	Low	1920
42	Anson	Somerset	36	Concrete	Hydroelectric	Low	1923
43	Lower Little River	Waldo	36	Concrete	Recreation	Significant	1943
44	Old Falls	York	36	Stone	Hydroelectric	Significant	1890
45	Alder Brook	Aroostook	35	Earth	Flood Risk Reduction	Low	1973
46	Scopan	Aroostook	35	Concrete	Hydroelectric	High	1928
47	Smith Farm	Aroostook	35	Earth	Flood Risk Reduction	Significant	1966
48	Hydro-kennebec	Kennebec	35	Concrete	Hydroelectric	Low	1989
49	Medway	Penobscot	35	Concrete	Hydroelectric	Low	1922
50	North Twin	Penobscot	35	Earth	Hydroelectric	High	1934

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