Where is Madison Lake?

Madison Lake is a lake in Williamson County, Illinois. Its water-quality measurements are published by Illinois EPA and shown on this page as reported.

Madison Lake

Williamson County, Illinois26 acresView map Directions

No nutrient or algae sampling on record from Illinois EPA for this lake.

Area

26 acres

Surface area

Shoreline

1.3 mi

Measured length

See the measurements Directions Where to stay

Madison Lake in Williamson County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Surface area: 26 acres.

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Madison Lake is a 26-acre lake in Williamson County, Illinois.

Source: EPA Water Quality Portal sampling records, Illinois EPA. Methodology: how these readings are compared.

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Madison 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.

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Water quality measurements for Madison Lake

These are the measurements Illinois EPA publishes for Madison 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 Madison Lake

Answers come straight from the public measurements and survey records on this page.

Lake Details

Surface area

26 acres

Shoreline

1.3 mi

No bathymetric survey has been published for Madison Lake, so its depth is not documented here.

Stays via Stay22

Stays near Madison Lake

Compare lakeside cabins, hotels, and vacation rentals near Madison Lake in Williamson 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.

Top-rated places to stay near Madison Lake

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Fishing Madison Lake

→ Madison Lake fishing regulations (limits, seasons, special rules)

Nearby Lakes in Williamson County

Crab Orchard Lake6 miView →Herrin Reservoir5.3 miView →Little Grassy Lake—View →Devils Kitchen Lake—View →Marion Reservoir—View →Herrin Lake—View →

Frequently asked questions about Madison Lake

Where is Madison Lake?: Madison Lake is a lake in Williamson County, Illinois. Its water-quality measurements are published by Illinois EPA and shown on this page as reported.
What is the water quality of Madison Lake?: Madison Lake in Williamson County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Surface area: 26 acres.
Is Madison Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.