Skip to main content
LakeQuality
F

Burnham Prairie Marsh West Lake

Cook County, WisconsinLimited DataEutrophic

Burnham Prairie Marsh West Lake is a productive, nutrient-rich eutrophic lake in Cook County, IL. Water quality is graded F based on 1 sampling years through 2023. Compared to the 67 other monitored lakes in Cook County, Burnham Prairie Marsh West Lake ranks #64 for water quality.

Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2023-04-27. 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 3.1 ft of visibility. Trophic State Index: 61.

MetricValueGrade
Water Clarity (Secchi Depth)3.1 ftF
PhosphorusNo data
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)61Eutrophic

High nutrients, frequent algae, reduced clarity

Location

Loading map…

County Ranking

Ranked #64 of 68 lakes in Cook County

Cleaner Lakes Within 30 Miles

Burnham Prairie Marsh West Lake holds Grade F. 3 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Cook County

A
Diversey Harbor Lake
Cook County
A
Csmi 2015 Station S Lake
Cook County
A
Axehead Lake
Cook County
A
Powderhorn Lake
Cook County
B
Wampum Lake
Cook County
B
Lake Calumet
Cook County

More Wisconsin Lake Rankings

Cleanest lakes in Wisconsin

Top 25 by overall water quality score

Best swimming lakes in Wisconsin

Grade A/B + low algae filter

Family fishing lakes in Wisconsin

Panfish-rich, public access

All Wisconsin lakes

Full state directory

Other Grade F Lakes in Wisconsin

Salem Lake

Marion County · Clarity: 1 ft

Lake Springfield

Sangamon County · Clarity: 1.5 ft

Vandalia Lake

Fayette County · Clarity: 1.3 ft

Holiday Shores Lake

Madison County · Clarity: 1.7 ft

Sam Dale Lake

Wayne County · Clarity: 1.2 ft

Raccoon Lake

Marion County · Clarity: 1.2 ft

Eutrophic Lakes in Wisconsin

Long LakeLake of EgyptVienna Correctional Center LakeOne Horse Gap Lake

EPA Impairment Status

Burnham Prairie Marsh West Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).

Causes of impairment

MercuryPesticidesPCBs

Source: EPA ATTAINS assessment unit IL_RHG · Official waterbody report · Matched by proximity (1.92 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: 2023-04-27

Monitoring stations: 1