Wooster Lake
Lake County, Illinois97 acresView mapDirections
No nutrient or algae sampling on record from Illinois EPA for this lake.
- Impaired · Nutrients (phosphorus, nitrogen)
- 29 ft max depth
Wooster Lake in Lake County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 29 ft. Surface area: 97 acres.
Wooster Lake is a 97-acre lake in Lake County, Illinois with a maximum depth of 29 feet (16-foot average).
Source: EPA Water Quality Portal sampling records, Illinois EPA. Methodology: how these readings are compared.
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Wooster Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Wooster Lake is safe to swim in today is a call for the Illinois Environmental Protection Agency and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Wooster Lake
These are the measurements Illinois EPA publishes for Wooster Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. TSI undefined.
Ask about Wooster Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
29 ft
Average depth
16.3 ft
Surface area
97 acres
Shoreline
1.9 mi
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Stays near Wooster Lake
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Fishing Wooster Lake
EPA Impairment Status
Wooster Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).
Causes of impairment
Designated uses not supporting: Other.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit IL_RTZH · Official waterbody report
Nearby Lakes in Lake County
Frequently asked questions about Wooster Lake
Where is Wooster Lake?
- Wooster Lake is a lake in Lake County, Illinois. Its water-quality measurements are published by Illinois EPA and shown on this page as reported.
What is the water quality of Wooster Lake?
- Wooster Lake in Lake County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 29 ft. Surface area: 97 acres.
Is Wooster Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Wooster Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
How deep is Wooster Lake?
- Wooster Lake has a maximum depth of 29 feet and an average depth of 16.3 feet. The lake covers 97 acres.
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Where this data comes from
Measurements for Wooster Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database