F

Chaumiere Park Lake

Clay County, WisconsinHypereutrophic

Chaumiere Park Lake is a highly nutrient-loaded hypereutrophic lake in Clay County, MO. Water quality is graded F based on 2 sampling years through 2024. Compared to the 8 other monitored lakes in Clay County, Chaumiere Park Lake ranks #8 for water quality.

Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2024-09-05. Grade methodology: LakeGrade methodology.

Swimming Safety

Avoid swimming, very poor water quality, potential algae toxins

Water Quality Grade: F, Very Poor

No clarity data. Phosphorus level: 159.5 µg/L. Chlorophyll-a: 76.3 µg/L. Trophic State Index: 75.

Metric	Value	Grade
Water Clarity (Secchi Depth)	No data
Phosphorus	159.5 µg/L	F
Chlorophyll-a (Algae)	76.3 µg/L	F
Trophic State Index (TSI)	75	Hypereutrophic

Very high nutrients, dense algae, poor clarity

Location

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County Ranking

Ranked #8 of 9 lakes in Clay County

Cleaner Lakes Within 30 Miles

Chaumiere Park Lake holds Grade F. 2 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Clay County

Watkins Mill Lake

Smithville Lake

Smithville Lake by Dam

Smithville Lake

Hamilton Heights Park Lake

Lakewood Greenway Lake

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EPA Impairment Status

Chaumiere Park Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).

Causes of impairment

Mercury

Source: EPA ATTAINS assessment unit MO_7634.00 · Official waterbody report · Matched by proximity (0.06 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: 2024-09-05

Monitoring stations: 1