M

Madison, NH

—no score

Contamination score

Higher = more contaminated vs. other cities.

⚠️8 health-based violations on record.
0
Water sources
16
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

Brookwood Park

PWSID:
NH1463010
Source:
Ground water
Serves:
50 people

Village District Of Eidelweiss

PWSID:
NH1461010
Source:
Ground water
Serves:
1,200 people

Silver Lake Landing Sr Housing

PWSID:
NH1462040
Source:
Ground water
Serves:
25 people

EPA & DEP violations

City-wide

16 violations

  • Public Notice — Other violation

    medium severityResolved

    Public Notice Other violation (Resolved).

    EPA SDWIS · Other · Began Dec 23, 2025 · 7 months ago · Source ↗

  • Combined Uranium — MCL violation

    high severityHealth-basedArchived

    Combined Uranium MCL violation (Archived).

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

  • Public Notice — Other violation

    medium severityResolved

    Public Notice Other violation (Resolved).

    EPA SDWIS · Other · Began May 12, 2025 · 1 year ago · Source ↗

  • Combined Uranium — MCL violation

    high severityHealth-basedArchived

    Combined Uranium MCL violation (Archived).

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

  • Public Notice — Other violation

    medium severityResolved

    Public Notice Other violation (Resolved).

    EPA SDWIS · Other · Began Jan 6, 2025 · 1 year ago · Source ↗

  • Combined Uranium — MCL violation

    high severityHealth-basedArchived

    Combined Uranium MCL violation (Archived).

    EPA SDWIS · MCL · Began Jan 1, 2025 · 1 year ago · Source ↗

  • Combined Uranium — MCL violation

    high severityHealth-basedArchived

    Combined Uranium MCL violation (Archived).

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

  • Combined Uranium — MCL violation

    high severityHealth-basedArchived

    Combined Uranium MCL violation (Archived).

    EPA SDWIS · MCL · Began Apr 1, 2024 · 2 years ago · Source ↗

  • Lead and Copper Rule — MR violation

    medium severityResolved

    Lead and Copper Rule MR violation (Resolved).

    EPA SDWIS · MR · Began Jan 1, 2024 · 2 years ago · Source ↗

  • Combined Uranium — MCL violation

    high severityHealth-basedResolved

    Combined Uranium MCL violation (Resolved).

    EPA SDWIS · MCL · Began Apr 1, 2023 · 3 years ago · Source ↗

  • Combined Uranium — MCL violation

    high severityHealth-basedResolved

    Combined Uranium MCL violation (Resolved).

    EPA SDWIS · MCL · Began Jan 1, 2023 · 3 years ago · Source ↗

  • Lead and Copper Rule — MR violation

    medium severityResolved

    Lead and Copper Rule MR violation (Resolved).

    EPA SDWIS · MR · Began Dec 31, 2020 · 5 years ago · Source ↗

  • Public Notice — Other violation

    medium severityResolved

    Public Notice Other violation (Resolved).

    EPA SDWIS · Other · Began Oct 22, 2012 · 13 years ago · Source ↗

  • Groundwater Rule — TT violation

    high severityHealth-basedResolved

    Groundwater Rule TT violation (Resolved).

    EPA SDWIS · TT · Began Aug 30, 2012 · 13 years ago · Source ↗

  • E. COLI — MR violation

    medium severityResolved

    E. COLI MR violation (Resolved).

    EPA SDWIS · MR · Began Aug 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.