F

Knox Village Lake

Jackson County, WisconsinHypereutrophic

Knox Village Lake is a highly nutrient-loaded hypereutrophic lake in Jackson County, MO. Water quality is graded F based on 3 sampling years through 2021. Compared to the 26 other monitored lakes in Jackson County, Knox Village Lake ranks #16 for water quality.

Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2021-08-30. 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 2.2 ft of visibility. Phosphorus level: 210 µg/L. Chlorophyll-a: 193.5 µg/L. Trophic State Index: 76.

Metric	Value	Grade
Water Clarity (Secchi Depth)	2.2 ft	F
Phosphorus	210 µg/L	F
Chlorophyll-a (Algae)	193.5 µg/L	F
Trophic State Index (TSI)	76	Hypereutrophic

Very high nutrients, dense algae, poor clarity

Location

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County Ranking

Ranked #16 of 27 lakes in Jackson County

Cleaner Lakes Within 30 Miles

Knox Village Lake holds Grade F. 5 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Jackson County

Blue Valley Lake

Klapmeyer Park Lake

Longview Lake by Dam

Lotawana Lk. Lake

Prairie Lee Lake Nr. Dam

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Other Grade F Lakes in Wisconsin

Creve Coeur Lake

St. Louis County · Clarity: 1.6 ft

Lake St. Louis by Dam

St. Charles County · Clarity: 2.3 ft

St. Francois County · Clarity: 1.1 ft

Blind Pony Lake

Saline County · Clarity: 2.3 ft

Stockton Lake Upstream of Hwy 123 Bridge

Polk County · Clarity: 1.2 ft

Little Dixie Lk. Lake

Callaway County · Clarity: 1.7 ft

Hypereutrophic Lakes in Wisconsin

Hemitite Lake Stockton Lake Upstream of Hwy 123 Bridge Dairy Farm Lake No.1 Lake St. Louis Nr. Hwy 40

EPA Impairment Status

Knox Village 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_7657.00 · Official waterbody report

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: 2021-08-30

Monitoring stations: 1