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

Dunn County Lake Quality

Wisconsin, 5 lakes, measured by Wisconsin DNR

Dunn County has 5 monitored lakes — a thin enough sample that one or two stressed lakes can move the county average noticeably. Use the per-lake pages below for what actually matters. 3 of those lakes carry recent nutrient and algae readings. The county-level summary describes that subset, not every water body listed. Phosphorus and algae readings vary widely across Dunn County; the per-lake pages below carry the numbers.

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. Tainter Lake has the lowest nutrient and algae readings in the county.

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DNR Reports (10)

Wisconsin DNR Fisheries Survey resources for lakes in Dunn County. browse all reports →

These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).

All Lakes in Dunn County

5 lakes · 3 ranked on readings, 2 without enough sampling3 lakes ranked on readings · 2 without enough sampling, hidden

#LakeClarityPhosphorusAlgaeTrophicMax DepthAccess
1Tainter LakeDunn3.7 ft121.5 µg/LNo recent samplesNo recent samples37 ft✓ Public
2Lake MenominDunn3.1 ft89.7 µg/LNo recent samplesNo recent samples34 ft✓ Public
3Lake Eau GalleDunn3 ft68.6 µg/LNo recent samplesNo recent samplesNo recent samples✓ Public
Old Elk LakeDunnNo recent samplesNo recent samplesNo recent samplesNo recent samples6 ftNot recorded
Lake Eau GalleDunnNo recent samplesNo recent samplesNo recent samplesNo recent samples18 ftNot recorded

NR = no nutrient or algae reading on record. The measurements are published as the authority reports them. Where the data comes from.

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Source: the Wisconsin Department of Natural Resources. See data sources.