C

Chester, IL

—no score

Contamination score

Higher = more contaminated vs. other cities.

⚠️2 health-based violations on record.
0
Water sources
9
Violations
0
Pollution sources
0
Self-reported
0
Lawsuits

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Reported illness & cancer claims

No claims reported yet. Be the first to add one.

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Self-reported issues

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Pollution sources & reported claims near your water

Factories, greenhouses, and contaminated sites mapped around the water supply. Tap any circle for detail.

Critical High Medium Reported claim

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Public water systems

Chester

PWSID:
IL1570100
Source:
Surface water
Serves:
8,407 people

EPA & DEP violations

Chester

PWSID IL15701009 violations

  • Simazine — MR violation

    medium severityArchived

    Simazine MR violation (Archived).

    EPA SDWIS · MR · Began Jan 1, 2026 · 7 months ago · Source ↗

  • Atrazine — MR violation

    medium severityArchived

    Atrazine MR violation (Archived).

    EPA SDWIS · MR · Began Jan 1, 2026 · 7 months ago · Source ↗

  • Public Notice — Other violation

    medium severityResolved

    Public Notice Other violation (Resolved).

    EPA SDWIS · Other · Began Mar 16, 2013 · 13 years ago · Source ↗

  • Interim Enhanced Surface Water Treatment Rule — TT violation

    high severityHealth-basedResolved

    Interim Enhanced Surface Water Treatment Rule TT violation (Resolved).

    EPA SDWIS · TT · Began Jan 1, 2013 · 13 years ago · Source ↗

  • Coliform (TCR) — MR violation

    medium severityResolved

    Coliform (TCR) MR violation (Resolved).

    EPA SDWIS · MR · Began Feb 1, 2012 · 14 years ago · Source ↗

  • CARBON, TOTAL — TT violation

    high severityHealth-basedResolved

    CARBON, TOTAL TT violation (Resolved).

    EPA SDWIS · TT · Began Jan 1, 2012 · 14 years ago · Source ↗

  • Chlorine — MR violation

    medium severityResolved

    Chlorine MR violation (Resolved).

    EPA SDWIS · MR · Began Jan 1, 2012 · 14 years ago · Source ↗

  • Chlorine — MR violation

    medium severityResolved

    Chlorine MR violation (Resolved).

    EPA SDWIS · MR · Began Apr 1, 2011 · 15 years ago · Source ↗

  • Violation — Violation violation

    medium severity

    Contaminant Violation violation.

    EPA SDWIS · Violation · Began — · Source ↗

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.