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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 WingA16.4 ft10 µg/L-
2North Long LakeCrow WingA15.1 ft14 µg/L-
3Bad Medicine LakeBeckerA25 ft6 µg/L-
4Big Sugar Bush LakeBeckerA16.5 ft10 µg/L-
5Round LakeCookA16.5 ft8.5 µg/L-
6Round LakeBeltramiA18 ft7 µg/L-
7Long LakeCassA21.5 ft9 µg/L-
8Long LakeClearwaterA20.5 ft7 µg/L-
9Long LakeBeltramiA20 ft7 µg/L-
10Long LakeBeckerA19.3 ft8 µg/L-
11Long LakeItascaA16.7 ft8 µg/L-
12Long LakeItascaA16.9 ft10 µg/L-
13Dead LakeHubbardA16 ft10 µg/L-
14Ossawinnamakee LakeCrow WingA20 ft9 µg/L-
15Clear LakeCrow WingA18 ft8 µg/L-
16Clear LakeAitkinA15 ft15 µg/L-
17Clear LakeItascaA14.9 ft9 µg/L-
18Eagle LakeOtter TailA22.6 ft5 µg/L-
19West Fox LakeCrow WingA15 ft12 µg/L-
20Ida LakeDouglasA16.4 ft14 µg/L-
21Star LakeCrow WingA19 ft11 µg/L-
22Star LakeOtter TailA17 ft13 µg/L-
23Upper Maple LakeWrightA17.2 ft17 µg/L-
24Fish LakeOtter TailA18 ft12 µg/L-
25Birch LakeWrightA15 ft17 µg/L-
26Birch LakeCookA18 ft8 µg/L-
27Woman LakeCassA15 ft11 µg/L-
28Girl LakeCassA17.6 ft12 µg/L-
29Little Toad LakeBeckerA15 ft18 µg/L-
30Charlotte LakeWrightA17.1 ft13 µg/L-
31Bass LakeOtter TailA17.4 ft14 µg/L-
32Bass LakeCrow WingA16.1 ft10 µg/L-
33Bass LakeItascaA18.2 ft8 µg/L-
34Crooked LakeStearnsA15.5 ft14 µg/L-
35Crooked LakeHubbardA19 ft8 µg/L-
36Crooked LakeCrow WingA15 ft10 µg/L-
37Cedar LakeMorrisonA16.2 ft10.5 µg/L-
38Pelican LakeOtter TailA16.4 ft15 µg/L-
39Square LakeWashingtonA17 ft9 µg/L2.6 µg/L
40Lower Bottle LakeHubbardA15 ft10 µg/L-
41Big Pine LakeAitkinA17 ft15 µg/L-
42Strawberry LakeBeckerA17.5 ft7.5 µg/L-
43Alexander LakeMorrisonA16.5 ft16 µg/L-
44Gull LakeCassA15 ft14 µg/L-
45Gull LakeCookA15.5 ft8.5 µg/L-
46Deep Portage LakeCassA15.4 ft9 µg/L-
47Little Wabana LakeItascaA24 ft6.5 µg/L-
48Clearwater LakeCookA29 ft4 µg/L-
49Lower Hay LakeCrow WingA18.5 ft13 µg/L-
50Latoka LakeDouglasA19 ft11 µg/L-

More Answers for Minnesota

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