F

Mckay Park Lake

Cole County, WisconsinHypereutrophic

Mckay Park Lake is a highly nutrient-loaded hypereutrophic lake in Cole County, MO. Water quality is graded F based on 3 sampling years through 2022. Compared to the 1 other monitored lakes in Cole County, Mckay Park Lake ranks #2 for water quality.

Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2022-10-04. Grade methodology: LakeGrade methodology.

Swimming Safety

Avoid swimming, very poor water quality, potential algae toxins

Water Quality Grade: F, Very Poor

Very murky, less than 1 ft of visibility. Phosphorus level: 70 µg/L. Chlorophyll-a: 187.1 µg/L. Trophic State Index: 75.

Metric	Value	Grade
Water Clarity (Secchi Depth)	1 ft	F
Phosphorus	70 µg/L	D
Chlorophyll-a (Algae)	187.1 µg/L	F
Trophic State Index (TSI)	75	Hypereutrophic

Very high nutrients, dense algae, poor clarity

Location

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County Ranking

Ranked #2 of 2 lakes in Cole County

Cleaner Lakes Within 30 Miles

Mckay Park Lake holds Grade F. 4 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Cole County

Unnamed Lake Near

Callaway County

Little Dixie Lk. Lake

Callaway County

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EPA Impairment Status

Mckay 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_7399.00 · Official waterbody report · Matched by proximity (0.04 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: 2022-10-04

Monitoring stations: 1