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

Clinton County Lake Quality

Michigan, 9 lakes — no lake here has enough monitoring data for a grade

Clinton County holds 9 monitored lakes. With a sample that small the county-level summary describes those specific waters, not necessarily every water body in the county. No lake in Clinton County has enough sampling behind it for an A–F grade yet. The 9 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 Clinton County

Top-rated places to stay near Clinton County

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Quick Answers for Clinton County

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

Planning a trip? Check special fishing regulations for Park Lake — or check the official Michigan fishing regulations.

All Lakes in Clinton County

9 lakes · 0 graded, 9 not rated0 graded lakes · 9 not rated, hidden

#LakeGradeClarityPhosphorusAlgaeTrophicMax DepthAccess
NRPark LakeClintonNR9.5 ftNo recent samplesNo recent samplesNo recent samples25 ftNot recorded
NRLake OvidClintonNR6.5 ftNo recent samplesNo recent samplesNo recent samples10 ft✓ Public
NRLake VictoriaClintonNR9 ftNo recent samplesNo recent samplesNo recent samplesNo recent samplesNot recorded
NRVictoria LakeClintonNR9 ft32 µg/LNo recent samplesNo recent samplesNo recent samplesNot recorded
NRRound LakeClintonNRNo recent samplesNo recent samplesNo recent samplesNo recent samples23 ftNot recorded
NRLake GenevaClintonNRNo recent samplesNo recent samplesNo recent samplesNo recent samples35 ftNot recorded
NRRose LakeClintonNRNo recent samplesNo recent samplesNo recent samplesNo recent samplesNo recent samplesNot recorded
NRPerch LakeClintonNRNo recent samplesNo recent samplesNo recent samplesNo recent samplesNo recent samplesNot recorded
NRMuskrat LakeClintonNRNo recent samplesNo recent samplesNo recent samplesNo recent samplesNo recent samples✓ Public

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 Clinton 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.