Du Quoin Lake
Perry County, Illinois244 acresView mapDirections
No nutrient or algae sampling on record from Illinois EPA for this lake.
- Impaired · Mercury
- 12 ft max depth
Du Quoin Lake in Perry County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 12 ft. Surface area: 244 acres.
Du Quoin Lake is a 244-acre lake in Perry County, Illinois with a maximum depth of 12 feet (7-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. Du Quoin Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Du Quoin 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 Du Quoin Lake
These are the measurements Illinois EPA publishes for Du Quoin 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 Du Quoin Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
12 ft
Average depth
7 ft
Surface area
244 acres
Shoreline
9 mi
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Stays near Du Quoin Lake
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Fishing Du Quoin Lake
EPA Impairment Status
Du Quoin Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Fish consumption, Other.
Source: EPA ATTAINS assessment unit IL_RNG · Official waterbody report
Nearby Lakes in Perry County
Frequently asked questions about Du Quoin Lake
Where is Du Quoin Lake?
- Du Quoin Lake is a lake in Perry County, Illinois. Its water-quality measurements are published by Illinois EPA and shown on this page as reported.
What is the water quality of Du Quoin Lake?
- Du Quoin Lake in Perry County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 12 ft. Surface area: 244 acres.
Is Du Quoin Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Du Quoin Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
How deep is Du Quoin Lake?
- Du Quoin Lake has a maximum depth of 12 feet and an average depth of 7 feet. The lake covers 244 acres.
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Where this data comes from
Measurements for Du Quoin 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