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LakeQuality
Late afternoon sun over Slim Lake, scattering a bright path across wind-textured water
NR

Berrien County Lake Quality

Michigan, 28 lakes — no lake here has enough monitoring data for a grade

Berrien County's 28 monitored lakes fall in the moderate-density bracket for Michigan. The county-level average smooths over real differences — a single agricultural watershed near the southwest corner can pull the average down even if the rest of the county runs clean. No lake in Berrien County has enough sampling behind it for an A–F grade yet. The 28 monitored lakes below carry whatever clarity, phosphorus, and chlorophyll-a measurements exist.

Most of the county's monitored lakes are shallow, under 50 feet, which means wind keeps the water column mixed all summer and sediment-bound phosphorus releases back into the surface layer whenever the bottom is disturbed.

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Where to stay near Berrien County

Top-rated places to stay near Berrien County

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Quick Answers for Berrien County

Cleanest lakes in Berrien County →Cleanest lakes in Michigan →Safest swimming lakes in Michigan →

Planning a trip? Check special fishing regulations for Little Paw Paw Lake, whether the fish are safe to eat, and the best times to fish — or check the official Michigan fishing regulations.

All Lakes in Berrien County

28 lakes · 0 graded, 28 not rated0 graded lakes · 28 not rated, hidden

#LakeGradeClarityPhosphorusAlgaeTrophicMax DepthAccess
NRLittle Paw Paw LakeBerrienNR4 ftNo recent samplesNo recent samplesNo recent samplesNo recent samplesNot recorded
NRPaw Paw LakeBerrienNRNo recent samplesNo recent samplesNo recent samplesNo recent samples90 ftNot recorded
NRPipestone LakeBerrienNRNo recent samplesNo recent samplesNo recent samplesNo recent samples21 ftNot recorded
NRNorth Grand Mere LakeBerrienNRNo recent samplesNo recent samplesNo recent samplesNo recent samples14 ftNot recorded
NRBrush LakeBerrienNRNo recent samplesNo recent samplesNo recent samplesNo recent samples24 ftNot recorded
NRSmith Lake (northwest)BerrienNRNo recent samplesNo recent samplesNo recent samplesNo recent samples25 ftNot recorded
NRSmith Lake (southeast)BerrienNRNo recent samplesNo recent samplesNo recent samplesNo recent samples26 ftNot recorded
NRLake ChapinBerrienNRNo recent samplesNo recent samplesNo recent samplesNo recent samples39 ftNot recorded
NRMadron LakeBerrienNRNo recent samplesNo recent samplesNo recent samplesNo recent samples14 ftNot recorded
NRClear LakeBerrienNRNo recent samplesNo recent samplesNo recent samplesNo recent samples56 ftNot recorded
NRDayton LakeBerrienNRNo recent samplesNo recent samplesNo recent samplesNo recent samples12 ftNot recorded
NRMurphy LakeBerrienNRNo recent samplesNo recent samplesNo recent samplesNo recent samplesNo recent samplesNot recorded
NRCurtis LakeBerrienNRNo recent samplesNo recent samplesNo recent samplesNo recent samplesNo recent samplesNot recorded
NRBernhart LakeBerrienNRNo recent samplesNo recent samplesNo recent samplesNo recent samplesNo recent samplesNot recorded
NRRowe LakeBerrienNRNo recent samplesNo recent samplesNo recent samplesNo recent samplesNo recent samplesNot recorded
NRGrand Mere LakesBerrienNRNo recent samplesNo recent samplesNo recent samplesNo recent samplesNo recent samplesNot recorded
NRBlack LakeBerrienNRNo recent samplesNo recent samplesNo recent samplesNo recent samplesNo recent samples✓ Public
NRRiggins LakeBerrienNRNo recent samplesNo recent samplesNo recent samplesNo recent samplesNo recent samplesNot recorded
NRLittle Indian LakeBerrienNRNo recent samplesNo recent samplesNo recent samplesNo recent samplesNo recent samplesNot recorded
NRSteinbauer LakeBerrienNRNo recent samplesNo recent samplesNo recent samplesNo recent samplesNo recent samplesNot recorded
NRWebster LakeBerrienNRNo recent samplesNo recent samplesNo recent samplesNo recent samplesNo recent samplesNot recorded
NRLong LakeBerrienNRNo recent samplesNo recent samplesNo recent samplesNo recent samplesNo recent samplesNot recorded
NRLake ChapinBerrienNRNo recent samplesNo recent samplesNo recent samplesNo recent samplesNo recent samplesNot recorded
NRYellow LakeBerrienNRNo recent samplesNo recent samplesNo recent samplesNo recent samplesNo recent samplesNot recorded
NRWeaver LakeBerrienNRNo recent samplesNo recent samplesNo recent samplesNo recent samplesNo recent samplesNot recorded
NRPike LakeBerrienNRNo recent samplesNo recent samplesNo recent samplesNo recent samplesNo recent samplesNot recorded
NRWagner LakeBerrienNRNo recent samplesNo recent samplesNo recent samplesNo recent samplesNo recent samplesNot recorded
NRSinger LakeBerrienNRNo recent samplesNo recent samplesNo recent samplesNo recent samplesNo recent samplesNot recorded

NR = not rated: there is not enough recent sampling to support a letter. That is EPA Integrated Reporting Category 3 (insufficient information), not a failing grade. How grading works.

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Other Counties in Michigan

Dickinson County

43 lakes · Avg grade A

Clare County

47 lakes · Avg grade A

Ogemaw County

50 lakes · Avg grade A

Cheboygan County

31 lakes · Avg grade A

Roscommon County

26 lakes · Avg grade A

Gladwin County

29 lakes · Avg grade A

See how Berrien County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all United States (49 states), Canada (Ontario, Québec, Nova Scotia, British Columbia and Newfoundland and Labrador), and 38 other country hubs..

Source: EPA National Aquatic Resource Surveys, 2026.