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B

Robinson Pond

Jackson County, WisconsinMesotrophic

Robinson Pond carries a solid B grade — strong on most parameters, with measurements that hold up well across the summer season. Clarity is the limiting factor — phosphorus is reasonable but suspended particles or algal cells keep water transparency below Wisconsin norms.

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. Robinson Pond is small — 11 acres alongside partial shoreline records — which makes it sensitive to even modest changes in watershed runoff or recreational pressure. Robinson Pond sits at rank 2 of 3 in Jackson County, in the lower half of the local distribution.

No invasive species are currently listed at Robinson Pond — the lake remains off the Wisconsin infested-waters roster. The state fisheries records do not list documented species for Robinson 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 2022-08-31. Grade methodology: LakeGrade methodology.

Reviewed by LakeQuality Editorial Team · Updated

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Swimming Safety

Good for swimming, clear water with low algae levels

Water Quality Grade: B, Good

Murky, only visible to about 5.8 ft. Phosphorus level: 10.1 µg/L. Trophic State Index: 45.

MetricValueGrade
Water Clarity (Secchi Depth)5.8 ftD
Phosphorus10.1 µg/LA
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)45Mesotrophic

Moderate nutrients, good water quality

Lake Details

CharacteristicValue
Surface Area11 acres

Location

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County Ranking

Ranked #2 of 3 lakes in Jackson County

Cleaner Lakes Within 30 Miles

Robinson Pond holds Grade B. One nearby lake has a higher grade.

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Nearby Lakes in Jackson County

State Parks Near Robinson Pond

WI DNR Lake Profile

Authoritative data from the Wisconsin DNR LakePages. 1 station on file (most recent sample 2022).

EPA Impairment Status

Robinson Pond is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).

Causes of impairment

Mercury

Source: EPA ATTAINS assessment unit WI10026616 · Official waterbody report · Matched by proximity (2.58 km)

Data Sources

Water quality data from the EPA Water Quality Portal

Impairment status from EPA ATTAINS 303(d) database

Grading methodology based on Metropolitan Council standards

Most recent sample: 2022-08-31

Monitoring stations: 1