Hydroelectric Dams in Maine

Maine has 225 hydroelectric dams, of which 45 carry a high hazard classification. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity.

#	Dam	County	Height (ft)	Hazard	Condition	Year
1	Indian Pond	Somerset	175	High	Satisfactory	1955
2	Wyman	Somerset	155	High	Satisfactory	1930
3	Gulf Island	Androscoggin	99	High	Satisfactory	1926
4	Ripogenus	Piscataquis	83	High	Satisfactory	1916
5	Skelton	York	75	High	Satisfactory	1948
6	Aziscohos	Oxford	74	High	Satisfactory	1911
7	Bonny Eagle	York	67	Low	Satisfactory	1911
8	Dolby	Penobscot	66	High	Satisfactory	1906
9	Ellsworth	Hancock	62	High	Satisfactory	1907
10	Seboomook Lake	Somerset	60	High	Satisfactory	1936
11	Graham Lake Flood Control	Hancock	58	High	Satisfactory	1994
12	Deer Rips	Androscoggin	54	Low	Satisfactory	1903
13	Weston - South Channel	Somerset	51	High	Satisfactory	1921
14	Grand Falls		50	High	Unsatisfactory	1915
15	Dundee	Cumberland	50	High	Satisfactory	1913
16	Canada Falls Lake	Somerset	50	High	Satisfactory	1921
17	Brassua	Somerset	50	High	Fair	1927
18	Cataract - East Channel Dam	York	49	Low	Satisfactory	1938
19	Pejepscot	Sagadahoc	48	Significant	Satisfactory	1896
20	Woodland	Washington	46	High	Poor	1906
21	Mattaceunk	Penobscot	45	High	Satisfactory	1939
22	Williams	Somerset	45	Low	Satisfactory	1939
23	Flagstaff	Somerset	45	High	Satisfactory	1948
24	New Dam	York	45	High	Fair	1910
25	Graham Lake Dam	Hancock	43	High	Satisfactory	1924
26	Brunswick	Cumberland	42	Low	Satisfactory	1982
27	Rumford Falls Upper Dam	Oxford	40	High	Satisfactory	1918
28	West Enfield	Penobscot	39	Low	Satisfactory	1988
29	Weston - North Channel	Somerset	38	High	Satisfactory	1921
30	South Berwick	York	38	Low	Not Rated	1923
31	Wilson Stream	Piscataquis	36	Low	Poor	1920
32	Anson	Somerset	36	Low	Satisfactory	1923
33	Old Falls	York	36	Significant	Poor	1890
34	Scopan	Aroostook	35	High	Satisfactory	1928
35	Hydro-kennebec	Kennebec	35	Low	Satisfactory	1989
36	Medway	Penobscot	35	Low	Satisfactory	1922
37	North Twin	Penobscot	35	High	Satisfactory	1934
38	Milford	Penobscot	34	Low	Satisfactory	1906
39	Automatic	Kennebec	33	Low	Satisfactory	1924
40	Burnham	Somerset	32	Low	Satisfactory	1929
41	Josephine	Aroostook	31	High	Unsatisfactory	1967
42	Barker Mill Lower	Androscoggin	30	Low	Fair	1874
43	Christina	Aroostook	30	High	Poor	1967
44	Hiram	Oxford	30	Low	Satisfactory	1917
45	Ragged Lake	Piscataquis	30	Low	Satisfactory	1937
46	West Buxton	York	30	Significant	Satisfactory	1907
47	North Gorham	Cumberland	28	High	Satisfactory	1901
48	Hydro-kennebec (old Canal Gatehouse)	Kennebec	28	High	Satisfactory	1989
49	Union Gas	Kennebec	28	Low	Satisfactory	1924
50	Lewiston Falls	Androscoggin	27	Low	Satisfactory	1865
51	Benton Falls	Kennebec	27	Low	Satisfactory	1987
52	Abbott Brook Dike	Oxford	27	High	Satisfactory	1911
53	Lowell Tannery	Penobscot	27	Low	Satisfactory	1987
54	Stone Dam	Penobscot	27	High	Satisfactory	1900
55	Mill Stream	Somerset	27	Low	Not Rated	1900
56	East Millinocket	Penobscot	26	Low	Satisfactory	1907
57	Shawmut	Somerset	26	Low	Satisfactory	1912
58	Moosehead - East Outlet	Somerset	26	Significant	Satisfactory	1835
59	Casket Mill	Knox	25	Low	Poor	1920
60	Upper Dam	Oxford	25	High	Satisfactory	1883
61	Grand Lake (matagamon)	Penobscot	25	High	Poor	1941
62	Stillwater	Penobscot	25	Low	Satisfactory	1902
63	Abenaki	Somerset	25	Low	Satisfactory	1922
64	Bar Mills	York	25	Low	Satisfactory	1956
65	Ledgemere	York	25	Significant	Satisfactory	1905
66	Barker Mill Upper	Androscoggin	24	Low	Satisfactory	1987
67	Caribou	Aroostook	24	Low	Satisfactory	1889
68	Gambo	Cumberland	24	Low	Satisfactory	1911
69	Jay	Franklin	24	Low	Satisfactory	1912
70	American Tissue	Kennebec	24	High	Satisfactory	1900
71	Browns Mill	Piscataquis	24	Low	Not Rated	1856
72	Riley	Franklin	23	Low	Satisfactory	1897
73	Rice Rips	Kennebec	23	Significant	Satisfactory	1908
74	Seabright	Knox	23	High	Satisfactory	1900
75	Livermore Falls	Androscoggin	22	Low	Satisfactory	1908
76	Eel Weir	Cumberland	22	High	Satisfactory	1879
77	New Mills	Kennebec	22	High	Fair	1885
78	Middle Dam	Oxford	22	High	Fair	1883
79	Range Pond #3	Androscoggin	21	Low	Not Rated	1900
80	Gardner Brook	Oxford	21	Low	Not Rated	1986
81	Vanceboro	Washington	21	Significant	Satisfactory	1967
82	Whiting	Washington	21	Low	Not Rated	1927
83	Mill Pond	Androscoggin	20	Low	Not Rated	1720
84	Fryeburg	Oxford	20	Low	Not Rated	1900
85	Rumford Falls Middle Dam	Oxford	20	Significant	Satisfactory	1892
86	Rocky Bottom	Penobscot	20	Low	Not Rated	1965
87	Millinocket Lake	Penobscot	20	High	Satisfactory	1910
88	Telos	Piscataquis	20	Low	Poor	1890
89	Churchill	Piscataquis	20	Low	Not Rated	1968
90	Moosehead - West Outlet	Somerset	20	Significant	Satisfactory	1835
91	Otis	Franklin	19	Low	Satisfactory	1898
92	Norway Hydro	Oxford	19	Low	Satisfactory	1935
93	Moxie	Somerset	19	High	Fair	1925
94	Dole Pond	Somerset	19	Low	Satisfactory	1930
95	Fitch's Mill Pond	Cumberland	18	Low	Not Rated	1790
96	Billings	Oxford	18	Low	Not Rated	1800
97	First Roach Pond	Piscataquis	18	Low	Not Rated	1905
98	Snow's Pond Dike	Piscataquis	18	High	Satisfactory
99	Batson River	York	18	Low	Not Rated	1900
100	Kesslen	York	18	Low	Satisfactory	1954

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