C

Chester, CT

—no score

Contamination score

Higher = more contaminated vs. other cities.

⚠️3 health-based violations on record.
0
Water sources
20
Violations
0
Pollution sources
0
Self-reported
0
Lawsuits

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Reported illness & cancer claims

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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

Ctwc - Shoreline Region-Chester System

PWSID:
CT0261031
Source:
Surface water
Serves:
5,030 people

Ctwc - Shoreline Reg-Chester Vllg West

PWSID:
CT0261081
Source:
Ground water
Serves:
216 people

Aaron Manor Nursing & Rehab Center

PWSID:
CT0261001
Source:
Ground water
Serves:
81 people

EPA & DEP violations

Ctwc - Shoreline Region-Chester System

PWSID CT02610311 violation

  • Revised Total Coliform Rule — MON violation

    medium severityResolved

    Revised Total Coliform Rule MON violation (Resolved).

    EPA SDWIS · MON · Began Nov 1, 2016 · 9 years ago · Source ↗

City-wide

19 violations

  • Lead and Copper Rule — MR violation

    medium severityUnaddressed

    Lead and Copper Rule MR violation (Unaddressed).

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

  • LEAD AND COPPER RULE REVISIONS — TT violation

    high severityHealth-basedUnaddressed

    LEAD AND COPPER RULE REVISIONS TT violation (Unaddressed).

    EPA SDWIS · TT · Began Oct 17, 2024 · 1 year ago · Source ↗

  • LEAD AND COPPER RULE REVISIONS — RPT violation

    medium severityUnaddressed

    LEAD AND COPPER RULE REVISIONS RPT violation (Unaddressed).

    EPA SDWIS · RPT · Began Oct 17, 2024 · 1 year ago · Source ↗

  • Combined Uranium — MCL violation

    high severityHealth-basedResolved

    Combined Uranium MCL violation (Resolved).

    EPA SDWIS · MCL · Began Oct 1, 2022 · 3 years ago · Source ↗

  • Consumer Confidence Rule — Other violation

    medium severityResolved

    Consumer Confidence Rule Other violation (Resolved).

    EPA SDWIS · Other · Began Aug 10, 2022 · 3 years ago · Source ↗

  • Public Notice — Other violation

    medium severityResolved

    Public Notice Other violation (Resolved).

    EPA SDWIS · Other · Began Jan 22, 2022 · 4 years ago · Source ↗

  • Revised Total Coliform Rule — TT violation

    high severityHealth-basedResolved

    Revised Total Coliform Rule TT violation (Resolved).

    EPA SDWIS · TT · Began Oct 29, 2021 · 4 years ago · Source ↗

  • Consumer Confidence Rule — Other violation

    medium severityResolved

    Consumer Confidence Rule Other violation (Resolved).

    EPA SDWIS · Other · Began Aug 10, 2021 · 4 years ago · Source ↗

  • Total Haloacetic Acids (HAA5) — MR violation

    medium severityResolved

    Total Haloacetic Acids (HAA5) MR violation (Resolved).

    EPA SDWIS · MR · Began Aug 17, 2016 · 9 years ago · Source ↗

  • TTHM — MR violation

    medium severityResolved

    TTHM MR violation (Resolved).

    EPA SDWIS · MR · Began Aug 17, 2016 · 9 years ago · Source ↗

  • Lead and Copper Rule — MR violation

    medium severityResolved

    Lead and Copper Rule MR violation (Resolved).

    EPA SDWIS · MR · Began Dec 30, 2014 · 11 years ago · Source ↗

  • DICHLOROMETHANE — MR violation

    medium severityResolved

    DICHLOROMETHANE MR violation (Resolved).

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

  • p-Dichlorobenzene — MR violation

    medium severityResolved

    p-Dichlorobenzene MR violation (Resolved).

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

  • 1,1-Dichloroethylene — MR violation

    medium severityResolved

    1,1-Dichloroethylene MR violation (Resolved).

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

  • 1,1,1-Trichloroethane — MR violation

    medium severityResolved

    1,1,1-Trichloroethane MR violation (Resolved).

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

  • 1,2-Dichloropropane — MR violation

    medium severityResolved

    1,2-Dichloropropane MR violation (Resolved).

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

  • 1,1,2-Trichloroethane — MR violation

    medium severityResolved

    1,1,2-Trichloroethane MR violation (Resolved).

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

  • CHLOROBENZENE — MR violation

    medium severityResolved

    CHLOROBENZENE MR violation (Resolved).

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

  • o-Dichlorobenzene — MR violation

    medium severityResolved

    o-Dichlorobenzene MR violation (Resolved).

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

Water-related lawsuits

No lawsuits on record.

In the news & sources

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