Round Pond
St. Clair County, Illinois52 acresView mapDirections
No nutrient or algae sampling on record from Illinois EPA for this lake.
Round Pond in St. Clair County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Surface area: 52 acres.
Round Pond is a 52-acre lake in St. Clair County, Illinois.
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. Check local advisories before you swim.
Whether Round Pond 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 Round Pond
These are the measurements Illinois EPA publishes for Round Pond, 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 Round Pond
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
52 acres
Shoreline
4.5 mi
No bathymetric survey has been published for Round Pond, so its depth is not documented here.
Stays via Stay22
Stays near Round Pond
Compare lakeside cabins, hotels, and vacation rentals near Round Pond in St. Clair County, Illinois — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
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Frequently asked questions about Round Pond
Where is Round Pond?
- Round Pond is a lake in St. Clair County, Illinois. Its water-quality measurements are published by Illinois EPA and shown on this page as reported.
What is the water quality of Round Pond?
- Round Pond in St. Clair County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Surface area: 52 acres.
Is Round Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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Where this data comes from
Measurements for Round Pond come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.