High Risk Dams in Michigan

Michigan has 18 high hazard dams with a condition assessment of poor or unsatisfactory. These are dams where failure would probably cause loss of human life and where recognized safety deficiencies have been identified.

Of the 146 high hazard dams in Michigan, 18 (12%) have concerning condition ratings — 14 rated poor and 4 rated unsatisfactory.

Dam	County	Height (ft)	Condition	Purpose	Year
Secord Dam	Gladwin	57	Unsatisfactory	Hydroelectric	1925
Edenville Dam	Gladwin	57	Unsatisfactory	Recreation	1924
Smallwood Dam	Gladwin	36	Unsatisfactory	Recreation	1925
Sanford Dam	Midland	36	Unsatisfactory	Recreation	1925
Barton Dam	Washtenaw	34	Poor	Water Supply	1913
Cornwall Creek Dam	Cheboygan	33	Poor	Recreation	1966
La Barge	Kent	32	Poor	Hydroelectric	1901
Little Black River Structure B	Cheboygan	31	Poor	Flood Risk Reduction	1962
Trowbridge Dam	Allegan	30	Poor	Recreation	1899
Manistique Papers Dam	Schoolcraft	25	Poor	Recreation	1919
Sturgis	St. Joseph	25	Poor	Hydroelectric	1913
Menasha Dam	Allegan	22	Poor	Hydroelectric	1886
Peninsular Paper Dam	Washtenaw	21	Poor	Recreation	1867
Shamrock Lake Dam	Clare	20	Poor	Recreation	1962
White Cloud Dam	Newaygo	19	Poor	Recreation	1872
Portage Plant Dam	St. Joseph	19	Poor	Recreation	1922
Au Train South Levee	Alger	15	Poor	Hydroelectric	1910
Allegan City Dam	Allegan	14	Poor	Recreation	1900

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