M

Marlborough, NH

—no score

Contamination score

Higher = more contaminated vs. other cities.

⚠️1 health-based violation on record.
0
Water sources
5
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.

Claims are aggregated from public records and community reports and may be unverified. If you believe your illness is linked to local water, request a consultation.

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

Marlborough Water Works

PWSID:
NH1481010
Source:
Ground water
Serves:
750 people

Marlborough Estates

PWSID:
NH1482010
Source:
Ground water
Serves:
100 people

EPA & DEP violations

Marlborough Water Works

PWSID NH14810103 violations

  • Coliform (TCR) — MCL violation

    high severityHealth-basedResolved

    Coliform (TCR) MCL violation (Resolved).

    EPA SDWIS · MCL · Began Aug 1, 2010 · 16 years ago · Source ↗

  • Consumer Confidence Rule — Other violation

    medium severityResolved

    Consumer Confidence Rule Other violation (Resolved).

    EPA SDWIS · Other · Began Jul 1, 2010 · 16 years ago · Source ↗

  • Violation — Violation violation

    medium severity

    Contaminant Violation violation.

    EPA SDWIS · Violation · Began — · Source ↗

City-wide

2 violations

  • TTHM — MR violation

    medium severityResolved

    TTHM MR violation (Resolved).

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

  • Total Haloacetic Acids (HAA5) — MR violation

    medium severityResolved

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

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

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.