G

Greenfield, NH

—no score

Contamination score

Higher = more contaminated vs. other cities.

⚠️7 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

Crotched Mountain School

PWSID:
NH0972010
Source:
Ground water
Serves:
300 people

Greenfield Commons

PWSID:
NH0974010
Source:
Ground water
Serves:
48 people

EPA & DEP violations

City-wide

20 violations

  • Arsenic — MCL violation

    high severityHealth-basedArchived

    Arsenic MCL violation (Archived).

    EPA SDWIS · MCL · 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 Jun 11, 2025 · 1 year ago · Source ↗

  • Public Notice — Other violation

    medium severityUnaddressed

    Public Notice Other violation (Unaddressed).

    EPA SDWIS · Other · Began Mar 3, 2025 · 1 year ago · Source ↗

  • TTHM — MCL violation

    high severityHealth-basedResolved

    TTHM MCL violation (Resolved).

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

  • TTHM — MCL violation

    high severityHealth-basedResolved

    TTHM MCL violation (Resolved).

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

  • TTHM — MCL violation

    high severityHealth-basedResolved

    TTHM MCL violation (Resolved).

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

  • Total Haloacetic Acids (HAA5) — MCL violation

    high severityHealth-basedResolved

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

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

  • TTHM — MR violation

    medium severityResolved

    TTHM MR violation (Resolved).

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

  • Total Haloacetic Acids (HAA5) — MR violation

    medium severityResolved

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

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

  • Arsenic — MCL violation

    high severityHealth-basedResolved

    Arsenic MCL violation (Resolved).

    EPA SDWIS · MCL · Began Oct 1, 2023 · 2 years ago · Source ↗

  • Consumer Confidence Rule — Other violation

    medium severityResolved

    Consumer Confidence Rule Other violation (Resolved).

    EPA SDWIS · Other · Began Jul 1, 2023 · 3 years ago · Source ↗

  • Public Notice — Other violation

    medium severityResolved

    Public Notice Other violation (Resolved).

    EPA SDWIS · Other · Began Apr 10, 2023 · 3 years ago · Source ↗

  • Groundwater Rule — TT violation

    high severityHealth-basedResolved

    Groundwater Rule TT violation (Resolved).

    EPA SDWIS · TT · Began Jan 28, 2023 · 3 years ago · Source ↗

  • Arsenic — MR violation

    medium severityResolved

    Arsenic MR violation (Resolved).

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

  • Chromium — MR violation

    medium severityResolved

    Chromium MR violation (Resolved).

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

  • Fluoride — MR violation

    medium severityResolved

    Fluoride MR violation (Resolved).

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

  • Selenium — MR violation

    medium severityResolved

    Selenium MR violation (Resolved).

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

  • Antimony, Total — MR violation

    medium severityResolved

    Antimony, Total MR violation (Resolved).

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

  • Thallium, Total — MR violation

    medium severityResolved

    Thallium, Total MR violation (Resolved).

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

  • Mercury — MR violation

    medium severityResolved

    Mercury MR violation (Resolved).

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

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.