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D

Whalen Road Pond

Dane County, WisconsinLimited DataEutrophic

On the scoring rubric Whalen Road Pond grades a D: clarity readings still being added and 66 µg/L of phosphorus keep it in the lower bracket for Dane County.

A TSI in the eutrophic range signals a lake doing what nutrient-loaded waters do — supporting an active algal community at the cost of clear water. 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. Among the 21 graded lakes in Dane County, Whalen Road Pond sits at rank 8, above the county median.

No invasive species are currently listed at Whalen Road Pond — the lake remains off the Wisconsin infested-waters roster. The state fisheries records do not list documented species for Whalen Road 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 2021-10-05. Grade methodology: LakeGrade methodology.

Reviewed by LakeQuality Editorial Team · Updated

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Swimming Safety

Swimming not recommended, poor water quality with high algae risk

Water Quality Grade: D, Poor

No clarity data. Phosphorus level: 66.3 µg/L. Trophic State Index: 65.

MetricValueGrade
Water Clarity (Secchi Depth)No data
Phosphorus66.3 µg/LD
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)65Eutrophic

High nutrients, frequent algae, reduced clarity

Water Quality Trend: Declining

Based on 2 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Phosphorus Declining+13.5 µg/L/yr2

Location

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County Ranking

Ranked #8 of 21 lakes in Dane County

Nearby Lakes in Dane County

Data Sources

Water quality data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Most recent sample: 2021-10-05

Monitoring stations: 1