Health Violations Found

Water Quality in 60431 — Joliet, IL

EPA data for JOLIET

Data source: U.S. Environmental Protection Agency (EPA) SDWIS Last verified: March 16, 2026

14
Water Systems
160,000
People Served
8
Health Violations (5yr)
Groundwater
Water Source
No data
Lead Level

Your Water System

ZIP code 60431 in Joliet, Illinois is served by JOLIET (EPA ID: IL1970450). This system provides water to approximately 160,000 people from groundwater sources.

There are 14 community water systems serving this area.

Lead & Copper in Your Water

No Lead & Copper Rule sampling data available for systems serving this ZIP code.

Violation Summary

8 health-based violations recorded in the past 5 years. 29 violations remain unresolved.

Recent Violations

DateContaminantTypeStatus
August 22, 2025Lead and Copper RuleMonitoringUnresolved
August 1, 2025Consumer Confidence Report RuleMonitoringUnresolved
August 1, 2025Revised Total Coliform RuleMonitoringResolved
July 2, 2025Stage 2 DBP RuleMonitoringUnresolved
July 1, 2025Surface Water Treatment RuleMonitoringUnresolved
July 1, 2025Surface Water Treatment RuleMonitoringUnresolved
May 1, 2025Consumer Confidence Report RuleMonitoringUnresolved
May 1, 2025Consumer Confidence Report RuleMonitoringUnresolved
May 1, 2025Revised Total Coliform RuleMonitoringUnresolved
May 1, 2025Revised Total Coliform RuleMonitoringResolved
January 1, 2025Haloacetic Acids (HAA5)MonitoringUnresolved
January 1, 2025Total Trihalomethanes (TTHM)MonitoringUnresolved
October 17, 2024Stage 2 DBP RuleHealth-basedUnresolved
October 17, 2024Stage 2 DBP RuleHealth-basedUnresolved
October 17, 2024Stage 2 DBP RuleMonitoringUnresolved
October 1, 2024Contaminant 4109MonitoringUnresolved
October 1, 2024Contaminant 4109MonitoringResolved
October 1, 2024Contaminant 4109MonitoringResolved
October 1, 2024Contaminant 4109MonitoringUnresolved
October 1, 2024Contaminant 4109MonitoringResolved

Contaminants Detected

The following contaminants have been flagged in EPA records for water systems serving this ZIP code:

ContaminantCategoryViolationsHealth-Based
Revised Total Coliform RuleMicrobiological15No
Contaminant 1028Other12Yes
Consumer Confidence Report RuleReporting11No
Contaminant 4109Other6No
Gross BetaRadionuclides6No
Lead and Copper RuleTreatment Technique5No
Stage 2 DBP RuleTreatment Technique4Yes
Haloacetic Acids (HAA5)Disinfection Byproducts3No
Total Trihalomethanes (TTHM)Disinfection Byproducts3No
Surface Water Treatment RuleTreatment Technique2No

Need help with your water quality?

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Water Systems Serving This Area

System NameEPA IDPopulationSource
JOLIETIL1970450160,000Groundwater
SOUTHEAST JOLIET SDIL19774902,000Groundwater
CRYSTAL LAWNS ADDITION IMPROVEMENT ASSOCIL19754801,435Groundwater
EAST MORELAND WTR SERVICE ASSNIL19756001,320Groundwater
STATEVILLE CORRECTIONAL CENTERIL1977910992Groundwater

What You Can Do

  1. Request your water system’s Consumer Confidence Report (CCR) — Your utility is required to publish this annually
  2. Consider a home water test — Independent testing can reveal issues in your specific plumbing
  3. Install a certified water filter — NSF-certified filters can address specific contaminants
  4. Contact your water provider — Ask about current treatment and any ongoing remediation

Need help with water testing or filtration?

Call to get connected with a local professional in your area.

Call (855) 384-4856

This is a free service. You will be connected with an independent service provider.

Other Water Quality Reports in Illinois

Nearby Water Quality Reports

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for JOLIET (IL1970450) on EPA.gov.

Frequently Asked Questions

Is the tap water in 60431 safe to drink?

Joliet’s water system has recorded 8 health-based violations in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.

Where does 60431’s water come from?

The primary water source for this area is groundwater. JOLIET serves approximately 160,000 people.

How can I get my water tested?

Contact your local water utility for a free water quality report, or hire a certified lab for independent home water testing. The EPA recommends testing annually if you use a private well.

Does 60431 have lead in the water?

No Lead and Copper Rule sampling data is currently available in EPA records for water systems serving ZIP code 60431. If you are concerned about lead, contact your water utility or have your tap water independently tested.

What is the radon risk in 60431?

Radon zone data is not available for ZIP code 60431. The EPA recommends testing all homes for radon regardless of location, as radon levels can vary significantly even within the same neighborhood.

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