A

Amherst, NH

—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

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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

Pennichuck Water Works

PWSID:
NH1621010
Source:
Surface water
Serves:
88,853 people

Connor Court

PWSID:
NH0072090
Source:
Ground water
Serves:
51 people

Ridgewood Estates

PWSID:
NH0073030
Source:
Ground water
Serves:
115 people

Souhegan Woods

PWSID:
NH0072070
Source:
Ground water
Serves:
298 people

Gowing Woods

PWSID:
NH0072080
Source:
Ground water
Serves:
53 people

EPA & DEP violations

Pennichuck Water Works

PWSID NH16210101 violation

  • Monitoring violation — PENNICHUCK WATER WORKS

    low severityResolved

    EPA SDWIS violation 0900002 (code 52) at PENNICHUCK WATER WORKS (PWSID NH1621010).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2008 · 17 years ago · Source ↗

City-wide

8 violations

  • Lead and Copper Rule — MR violation

    medium severityResolved

    Lead and Copper Rule MR violation (Resolved).

    EPA SDWIS · MR · Began Apr 1, 2025 · 1 year ago · Source ↗

  • Coliform (TCR) — MCL violation

    high severityHealth-basedResolved

    Coliform (TCR) MCL violation (Resolved).

    EPA SDWIS · MCL · Began Dec 1, 2014 · 11 years ago · Source ↗

  • Coliform (TCR) — MR violation

    medium severityArchived

    Coliform (TCR) MR violation (Archived).

    EPA SDWIS · MR · Began Sep 1, 2014 · 11 years ago · Source ↗

  • Coliform (TCR) — MR violation

    medium severityResolved

    Coliform (TCR) MR violation (Resolved).

    EPA SDWIS · MR · Began Sep 1, 2014 · 11 years ago · Source ↗

  • Coliform (TCR) — MCL violation

    high severityHealth-basedResolved

    Coliform (TCR) MCL violation (Resolved).

    EPA SDWIS · MCL · Began Jul 1, 2014 · 12 years ago · Source ↗

  • Consumer Confidence Rule — Other violation

    medium severityResolved

    Consumer Confidence Rule Other violation (Resolved).

    EPA SDWIS · Other · Began Jul 1, 2012 · 14 years ago · Source ↗

  • Chlorine — MR violation

    medium severityResolved

    Chlorine MR violation (Resolved).

    EPA SDWIS · MR · Began Jul 1, 2010 · 16 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.