M

Manchester, NH

—no score

Contamination score

Higher = more contaminated vs. other cities.

⚠️4 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

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

Manchester Water Works

PWSID:
NH1471010
Source:
Surface water
Serves:
123,500 people

Rockwood Terrace Condos

PWSID:
NH1472030
Source:
Ground water
Serves:
25 people

EPA & DEP violations

City-wide

20 violations

  • Public Notice — Other violation

    medium severityResolved

    Public Notice Other violation (Resolved).

    EPA SDWIS · Other · Began Feb 23, 2026 · 5 months ago · Source ↗

  • 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 ↗

  • Revised Total Coliform Rule — RPT violation

    medium severityResolved

    Revised Total Coliform Rule RPT violation (Resolved).

    EPA SDWIS · RPT · Began Dec 11, 2025 · 8 months ago · Source ↗

  • Revised Total Coliform Rule — MON violation

    medium severityResolved

    Revised Total Coliform Rule MON violation (Resolved).

    EPA SDWIS · MON · Began Nov 1, 2025 · 9 months ago · Source ↗

  • Public Notice — Other violation

    medium severityResolved

    Public Notice Other violation (Resolved).

    EPA SDWIS · Other · Began Oct 22, 2025 · 9 months ago · Source ↗

  • Public Notice — Other violation

    medium severityResolved

    Public Notice Other violation (Resolved).

    EPA SDWIS · Other · Began Oct 22, 2025 · 9 months ago · Source ↗

  • Revised Total Coliform Rule — TT violation

    high severityHealth-basedResolved

    Revised Total Coliform Rule TT violation (Resolved).

    EPA SDWIS · TT · Began Sep 8, 2025 · 11 months ago · Source ↗

  • Revised Total Coliform Rule — RPT violation

    medium severityResolved

    Revised Total Coliform Rule RPT violation (Resolved).

    EPA SDWIS · RPT · Began Sep 8, 2025 · 11 months ago · Source ↗

  • Public Notice — Other violation

    medium severityResolved

    Public Notice Other violation (Resolved).

    EPA SDWIS · Other · Began Dec 16, 2024 · 1 year ago · Source ↗

  • Revised Total Coliform Rule — TT violation

    high severityHealth-basedResolved

    Revised Total Coliform Rule TT violation (Resolved).

    EPA SDWIS · TT · Began Oct 7, 2024 · 1 year ago · Source ↗

  • Revised Total Coliform Rule — RPT violation

    medium severityResolved

    Revised Total Coliform Rule RPT violation (Resolved).

    EPA SDWIS · RPT · Began Oct 7, 2024 · 1 year ago · Source ↗

  • Revised Total Coliform Rule — MCL violation

    high severityHealth-basedResolved

    Revised Total Coliform Rule MCL violation (Resolved).

    EPA SDWIS · MCL · Began Sep 1, 2024 · 1 year ago · Source ↗

  • Public Notice — Other violation

    medium severityResolved

    Public Notice Other violation (Resolved).

    EPA SDWIS · Other · Began Nov 21, 2023 · 2 years ago · Source ↗

  • Public Notice — Other violation

    medium severityResolved

    Public Notice Other violation (Resolved).

    EPA SDWIS · Other · Began Nov 21, 2023 · 2 years ago · Source ↗

  • Revised Total Coliform Rule — RPT violation

    medium severityResolved

    Revised Total Coliform Rule RPT violation (Resolved).

    EPA SDWIS · RPT · Began Oct 11, 2023 · 2 years ago · Source ↗

  • Revised Total Coliform Rule — MON violation

    medium severityResolved

    Revised Total Coliform Rule MON violation (Resolved).

    EPA SDWIS · MON · Began Sep 1, 2023 · 2 years ago · Source ↗

  • E. COLI — MR violation

    medium severityResolved

    E. COLI MR violation (Resolved).

    EPA SDWIS · MR · Began Aug 5, 2023 · 3 years ago · Source ↗

  • Lead and Copper Rule — MR violation

    medium severityResolved

    Lead and Copper Rule MR violation (Resolved).

    EPA SDWIS · MR · Began Jan 1, 2021 · 5 years ago · Source ↗

  • Lead and Copper Rule — TT violation

    high severityHealth-basedResolved

    Lead and Copper Rule TT violation (Resolved).

    EPA SDWIS · TT · Began Oct 20, 2017 · 8 years ago · Source ↗

  • Lead and Copper Rule — MR violation

    medium severityResolved

    Lead and Copper Rule MR violation (Resolved).

    EPA SDWIS · MR · Began Oct 10, 2017 · 8 years ago · Source ↗

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.