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LakeQuality

South Pond

Cook County, IllinoisView mapDirections

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

  • Limited data

South Pond in Cook County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported.

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South Pond is a lake in Cook County, Illinois.

Source: EPA Water Quality Portal sampling records, Illinois EPA, last sampled 2023-05-24. Methodology: how these readings are compared.

Swimming conditions

No reading

Limited data

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

Whether South 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.

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Water quality measurements for South Pond

These are the measurements Illinois EPA publishes for South 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.

Ask about South Pond

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

Stays via Stay22

Stays near South Pond

Compare lakeside cabins, hotels, and vacation rentals near South Pond in Cook 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 South Pond

Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.

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Fishing South Pond

Regulated Pollution Sources Nearby

23 EPA-permitted facilities operate within about 5 miles of South Pond under Clean Water Act (NPDES) discharge permits. 9 facilities have a reported Clean Water Act violation in the past three years.

  • River East Plaza Fka North Pier Terminal
    Chicago · 2 mi away · NPDES IL0066605
    Recent violation
  • Centrio Chicago Llc - Plant 5
    Chicago · 2 mi away · NPDES IL0037613
    Recent violation
  • 300 North Lasalle Llc
    Chicago · 2 mi away · NPDES IL0077810
    Recent violation
  • Trump International Hotel And Tower
    Chicago · 2 mi away · NPDES IL0079812
    Recent violation
  • Lasalle Wacker Bldg
    Chicago · 2.1 mi away · NPDES IL0002054
    Recent violation
  • Illinois Center - One Building
    Chicago · 2.2 mi away · NPDES IL0026531
    Recent violation

Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.

Nearby Lakes in Cook County

Frequently asked questions about South Pond

Where is South Pond?

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

What is the water quality of South Pond?

South Pond in Cook County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported.

Measurements on this page ↑

Is South Pond safe to swim in?

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

Swimming on this page ↑

Planning a trip around Indiana Dunes?

South Pond is about 34 miles from Indiana Dunes National Park. Crowds there swing hard by season, so the month you pick changes both how busy the park is and what lodging costs.

Best time to visit Indiana Dunes →

Where this data comes from

1 measurement from 1 monitoring station, 2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • USGS Illinois Water Science CenterUSGS-IL1 sample · 2023

Analytical methods

  • Secchi disk method
Monitoring station identifiers (1)

EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.

Other records on this page

Regulated discharger data from EPA ECHO (ICIS-NPDES)