Largest Reservoirs in Michigan

Michigan has 1005 dams with recorded storage capacity. The largest is Soo Locks with 277,540,000 acre-feet of maximum storage. One acre-foot equals about 326,000 gallons — enough to supply roughly two households for a year.

#	Dam	County	Max Storage (acre-ft)	Height (ft)	Purpose	Year
1	Soo Locks	Chippewa	277,540,000	17	Navigation	1921
2	Bergland Dam	Ontonagon	276,000	8	Other	1906
3	Hardy	Newaygo	134,973	106	Hydroelectric	1931
4	Way Dike D	Iron	125,350	15	Hydroelectric	1941
5	Empire Mine Tailings Basin Dam	Marquette	117,000	163	Tailings	1975
6	Alverno	Cheboygan	105,034	19	Hydroelectric	1902
7	Hamlin Lake Dam	Mason	102,500	23	Recreation	1913
8	Leland Dam	Leelanau	86,950	19	Recreation	1910
9	Cheboygan	Cheboygan	83,000	21	Hydroelectric	1922
10	Ludington	Mason	82,300	110	Hydroelectric	1973
11	Elk Rapids	Antrim	75,000	21	Hydroelectric	1916
12	Lake Columbia Dam	Jackson	73,000	33	Recreation	1961
13	Edenville Dam	Gladwin	66,200	57	Recreation	1924
14	Upper South Dam	Alpena	55,000	20	Hydroelectric	1930
15	Secord Dam	Gladwin	51,000	57	Hydroelectric	1925
16	Hoist	Marquette	41,666	65	Hydroelectric	1941
17	White Pine Mine North Tailings Dam #2	Ontonagon	39,000	75	Tailings	1971
18	Bond Falls Control Dam	Ontonagon	36,000	40	Hydroelectric	1938
19	Hubbard Lake Dam	Alpena	35,200	11	Hydroelectric	1890
20	Argentine Dam	Genesee	35,000	17	Recreation	1929
21	Brevoort Lake Dam	Mackinac	35,000	10	Recreation	1938
22	Carpenter Dam (indian Lake Dam)	Schoolcraft	34,800	10	Other	1878
23	Copper Range Company Dam	Ontonagon	34,300	70	Tailings	1958
24	Peavy Falls	Iron	34,250	96	Hydroelectric	1943
25	Otter Lake Diversion Dam	Baraga	30,800	11	Recreation	1979
26	Cooke	Iosco	30,000	50	Hydroelectric	1912
27	Foote	Iosco	30,000	51	Hydroelectric	1918
28	Holloway Dam	Genesee	29,900	38	Recreation	1954
29	Silver Lake Main Dam	Marquette	29,300	30	Hydroelectric	1912
30	Manistique Lake Dam	Schoolcraft	28,000	7	Other	1977
31	Norway Point	Alpena	27,550	43	Hydroelectric	1924
32	Crystal Lake Level Control Dam	Benzie	27,190	7	Recreation	1977
33	Carp River Dam	Marquette	26,140	60	Recreation	1942
34	Alcona	Alcona	25,000	60	Hydroelectric	1924
35	Greenwood Reservoir Dam	Marquette	22,750	60	Water Supply	1973
36	Lake Michigamme Dam	Marquette	22,578	6	Other
37	St Clair Flats Dikes	St. Clair	21,600	8	Recreation	1964
38	Allegan	Allegan	20,640	30	Hydroelectric	1936
39	Muskegon Waste Water Lagoons	Muskegon	20,616	21	Other	1973
40	Doc And Tom Lake Level Control Structure	Clare	20,000	9	Recreation	1955
41	Hardwood Dam	Dickinson	19,510	37	Flood Risk Reduction	1977
42	Denton Creek Flooding Dam	Roscommon	18,000	11	Recreation	1954
43	Ford Lake	Washtenaw	18,000	45	Hydroelectric	1932
44	French Landing	Wayne	18,000	38	Hydroelectric	1924
45	Lake Lancer Dam	Gladwin	17,500	36	Recreation	1976
46	Marsh Creek Pool Dam	Schoolcraft	16,406	10	Fish and Wildlife Pond	1937
47	Lake Independence Dam	Marquette	16,100	14	Recreation	1913
48	Gribben Tailings Basin Dam	Marquette	15,400	115	Tailings	1977
49	Sanford Dam	Midland	15,000	36	Recreation	1925
50	Tilden Recirculation Basin	Marquette	14,946	100	Water Supply	1973

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