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LakeQuality
C

Adams County Lake Quality

Wisconsin, 1 lakes, average grade C (Fair)

Only 1 lakes in Adams County carry an active grade. The county-level summary is therefore representative of those specific lakes, not necessarily of every water body in the county. The county average is C — the middle of the rubric, with one or two lakes pulling the average up or down depending on year.

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. Les-04 Lake (C) is the cleanest in the county.

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All Lakes in Adams County

RankLakeGradeClarityMax DepthPhosphorus
1Les-04 LakeC3.4 ft--

Source: EPA National Aquatic Resource Surveys, 2026.