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LakeQuality

Eutrophic Lakes in Michigan

36 eutrophic lakes in Michigan. High nutrients, frequent algae, reduced clarity.

Eutrophic lakes — TSI 50 to 70 — are nutrient-rich and productive, with persistent summer algal communities that drive visible reductions in clarity. These conditions are not failures; they reflect a lake doing what nutrient-loaded waters do. 36 Michigan lakes register as eutrophic. Only 0% are deep — eutrophy correlates with shallowness, agricultural watersheds, and the kind of nutrient-input history that takes decades to shift.

Eutrophic lakes typically grade C or D on the LakeGrade rubric. The same nutrient richness that defines the trophic class drives the lower grade.

#LakeCountyGradeClarityDepthTSI
1Barton Lake West Basin; Schoolcraft TownshipKalamazooB8 ft-47
2Posey Lake Central Basin; Hudson TownshipLenaweeB5 ft-51
3Little Africa Lake; Central Basin; Watersmeet TownshipGogebicB4 ft-51
4Spectacle LakeChippewaB--52
5North PondChippewaB--56
6Van Etten Lake North Central Basin; Oscoda TownshipIoscoC5.5 ft-54
7Community College PondChippewaC1.5 ft-67
8Pentwater Lake Northwest Basin; Pentwater TownshipOceanaC7 ft-50
9White Lake Middle Basin; Fruitland TownshipMuskegonC7 ft-51
10South PondChippewaC1.3 ft-64
11Earl Lake Central BasinLivingstonC5.5 ft-55
12Upper Hamlin Lake West BasinMasonC6.5 ft-52
13Cranberry Lake; Center ofOaklandC8 ft-50
14Lake Ovid North Basin; Ovid TownshipClintonC6 ft-52
15Flint Park LakeGeneseeC3.8 ft-61
16Thread Lake Central BasinGeneseeC1.8 ft-62
17Round Lake North BasinMecostaC9.5 ft-47
18Crockery Lake Southwest Basin; Chester TownshipOttawaC4 ft-54
19Portage Lake Southwest Basin; Mendon TownshipSt. JosephC5 ft-53
20Cisco Lake Central Basin; Watersmeet TownshipGogebicC8 ft-52
21Lake Gogebic; North Deep Basin; Bergland TownshipOntonagonC6.5 ft-48
22Juno Lake Central Basin; Mason TownshipCassC7 ft-51
23Woods Lake Northeast Central Basin; KalamazooKalamazooC4 ft-54
24Christiana Lake Central Basin; Ontwa TownshipCassC7 ft-50
25Lake Gogebic; South Deep Basin; Marenisco TownshipGogebicC6.5 ft-49
26Chickenbone LakeKeweenawC6.1 ft-52
27Moore LakeAlleganC6.2 ft-54
28Indian Lake; Central Basin; Watersmeet TownshipGogebicC--51
29East Bay Lake; Central Basin; Watersmeet TownshipGogebicD4.5 ft-57
30Mamie Lake; North Central Basin; Watersmeet TownshipGogebicD4.5 ft-58
31Rose LakeShiawasseeD5 ft-57
32Lake Diane South Basin; Amboy TownshipHillsdaleD2.5 ft-64
33Round LakeShiawasseeD6 ft-55
34Fox Lake Central Basin; Dalton TownshipMuskegonD1 ft-70
35Palmer Lake Central Basin; Colon TownshipSt. JosephD2 ft-58
36West Maggie Lake; Mastodon TownshipIronD8 ft-49
All eutrophic lakes →Minnesota version →Wisconsin version →Illinois version →Iowa version →Ohio version →Pennsylvania version →New York version →Missouri version →Indiana version →North Dakota version →South Dakota version →Florida version →Colorado version →North Carolina version →Vermont version →Texas version →Oregon version →Arkansas version →Oklahoma version →Kansas version →Nebraska version →Nevada version →Arizona version →Idaho version →Montana version →New Mexico version →Tennessee version →Alabama version →Virginia version →Kentucky version →Utah version →Washington version →Wyoming version →Georgia version →Massachusetts version →Ontario version →Québec version →All Michigan lakes →

Source: EPA National Aquatic Resource Surveys, 2026.