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LakeQuality
B

Fairchild Pond

Eau Claire County, WisconsinMesotrophic

Fairchild Pond comes in at a B on the grading rubric — a respectable showing for a Wisconsin lake of its size and depth. Sub-grades cluster within a single letter of each other, which usually means the lake is in stable trophic balance rather than fighting one specific stressor.

The lake sits in the mesotrophic zone — the band where most well-managed Wisconsin lakes fall. The lake's maximum depth is not yet documented in state morphometric records — context for its physical structure remains limited. The lake's surface area is not consistently recorded across state datasets — physical context remains partial. Fairchild Pond ranks 1 of 3 in Eau Claire County — solidly in the upper half of the local distribution.

No invasive species are currently listed at Fairchild Pond — the lake remains off the Wisconsin infested-waters roster. The state fisheries records do not list documented species for Fairchild Pond, which usually reflects a lack of formal fisheries survey work rather than an empty lake. The grade is based on limited monitoring — fewer than three independent measurement years contribute, so future updates may shift the letter.

Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2020-09-10. Grade methodology: LakeGrade methodology.

Swimming Safety

Good for swimming, clear water with low algae levels

Water Quality Grade: B, Good

Good clarity, visible to about 10.8 ft. Phosphorus level: 30.4 µg/L. Trophic State Index: 48.

MetricValueGrade
Water Clarity (Secchi Depth)10.8 ftB
Phosphorus30.4 µg/LC
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)48Mesotrophic

Moderate nutrients, good water quality

Location

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County Ranking

Ranked #1 of 3 lakes in Eau Claire County

Nearby Lakes in Eau Claire County

Data Sources

Water quality data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Most recent sample: 2020-09-10

Monitoring stations: 2