Public water system record

South Palos TWSP Sanitary Dist

Serves an area of Cook County, IL that includes Palos Park · 2,800 people served

Federal records show 1 health-based violation and 8 monitoring/reporting issues for South Palos TWSP Sanitary Dist in the last ten years. The most serious issue in this window was a resolved LEAD AND COPPER RULE REVISIONS violation.

  • IL0310140
  • PALOS PARK
  • IL
  • 2,800 served

System profile

Source water Purchased surface water
ZIP 60464
EPA system ID IL0310140

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
8

Key facts

  • South Palos TWSP Sanitary Dist buys its water from Palos Heights.
  • Record on file since 2012, with 0 health-based violations before October 19, 2016.

Check whether South Palos TWSP Sanitary Dist serves your address

Address suggestions by Mapbox

Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
350 Oct 17, 2024 Resolved No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Public Notice
OTHER
Aug 22, 2025 Resolved
LEAD AND COPPER RULE REVISIONS
RPT
Jul 2, 2025 Active
Chlorine
Monitoring and reporting
Oct 1, 2024 Resolved
Lead and Copper Rule
Monitoring and reporting
Dec 30, 2021 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2021 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2021 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Dec 1, 2018 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Dec 1, 2018 Resolved

Full record since 2012

EPA's records for South Palos TWSP Sanitary Dist go back to 2012. Before October 19, 2016 they list no health-based violations and 2 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2010 to October 18, 2016 0 2
October 19, 2016 to 2019 0 2
2020s 1 6

What the violations mean

LEAD AND COPPER RULE REVISIONS

1 incident

The system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).

The utility had to notify customers about this violation.

Where the water comes from

South Palos TWSP Sanitary Dist buys its water from Palos Heights. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

South Palos TWSP Sanitary Dist must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Illinois.