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LakeQuality

Safest Lakes to Swim In in Minnesota

50 lakes in Minnesota qualify as safest for swimming, all hold grade A or B and report chlorophyll-a (algae) under 10 µg/L. Always check local advisories on the day you swim.

Ranked List

#LakeCountyGradeClarityPhosphorusAlgae
1East Fox LakeCrow WingA16.1 ft10 µg/L-
2Deep Portage LakeCassA15.4 ft10 µg/L-
3Little Wabana LakeItascaA23.8 ft6.5 µg/L-
4Clearwater LakeCookA30 ft4 µg/L-
5Lower Hay LakeCrow WingA19 ft13 µg/L-
6Latoka LakeDouglasA19 ft11 µg/L-
7Bad Medicine LakeBeckerA25 ft6 µg/L-
8Big Sugar Bush LakeBeckerA17 ft10 µg/L-
9Pelican LakeOtter TailA16.1 ft15 µg/L-
10Fullers Lake: East BasinBeltramiA49.2 ft9.5 µg/L-
11Birch LakeWrightA15 ft17 µg/L-
12Birch LakeCookA18 ft8 µg/L-
13Round LakeCookA16.5 ft8.5 µg/L-
14Round LakeBeltramiA59.1 ft7 µg/L-
15Pike LakeCookA17.8 ft6 µg/L-
16Whitefish LakeCrow WingA15.1 ft14 µg/L-
17Long LakeClearwaterA20 ft7 µg/L-
18Long LakeCassA21.8 ft9 µg/L-
19Long LakeBeltramiA20 ft7 µg/L-
20Long LakeBeckerA20 ft8 µg/L-
21Long LakeBeltramiA45.9 ft8 µg/L-
22Long LakeItascaA16.7 ft8 µg/L-
23Long LakeItascaA16.9 ft10 µg/L-
24Dead LakeHubbardA16 ft10 µg/L-
25Unnamed LakeOtter TailA15.1 ft9 µg/L-
26Maple LakeItascaA15.3 ft10 µg/L-
27Shallow LakeItascaA16.4 ft9 µg/L-
28Trout LakeItascaA18 ft3.5 µg/L-
29Trout LakeCookA19 ft9 µg/L-
30Chippewa LakeDouglasA15.1 ft14 µg/L-
31Cowdry LakeDouglasA17 ft15 µg/L-
32Ossawinnamakee LakeCrow WingA20 ft10 µg/L-
33Clear LakeCrow WingA18 ft7 µg/L-
34Clear LakeItascaA14.9 ft9 µg/L-
35Bear LakeLakeA17.4 ft9.6 µg/L-
36Emerald LakeBeltramiA31.2 ft12 µg/L-
37Blue LakeHubbardA17.4 ft7 µg/L-
38Eagle LakeOtter TailA22.6 ft5 µg/L-
39West Fox LakeCrow WingA15 ft12 µg/L-
40Ida LakeDouglasA16.5 ft14 µg/L-
41Star LakeCrow WingA19 ft11 µg/L-
42Star LakeOtter TailA16.7 ft13 µg/L-
43Upper Maple LakeWrightA18 ft16 µg/L-
44Fish LakeOtter TailA17.8 ft12 µg/L-
45Square LakeWashingtonA17 ft8 µg/L-
46Shell LakeBeltramiA42.7 ft11 µg/L-
47Andrusia LakeBeltramiA15.5 ft14 µg/L-
48Green LakeBeltramiA60.7 ft7 µg/L-
49Green LakeBeltramiA39.4 ft10 µg/L-
50Girl LakeCassA17 ft12 µg/L-

More Answers for Minnesota

Cleanest lakes →Safest swimming lakes →Lakes with algae →All Minnesota lakes →