A

Andover, NH

—no score

Contamination score

Higher = more contaminated vs. other cities.

⚠️6 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

Andover Village Dist

PWSID:
NH0081010
Source:
Surface water
Serves:
650 people

EPA & DEP violations

City-wide

20 violations

  • Public Notice — Other violation

    medium severityUnaddressed

    Public Notice Other violation (Unaddressed).

    EPA SDWIS · Other · Began Feb 26, 2026 · 5 months ago · Source ↗

  • Public Notice — Other violation

    medium severityUnaddressed

    Public Notice Other violation (Unaddressed).

    EPA SDWIS · Other · Began Feb 26, 2026 · 5 months ago · Source ↗

  • TTHM — MR violation

    medium severityUnaddressed

    TTHM MR violation (Unaddressed).

    EPA SDWIS · MR · Began Jan 1, 2026 · 7 months ago · Source ↗

  • Total Haloacetic Acids (HAA5) — MR violation

    medium severityUnaddressed

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

    EPA SDWIS · MR · Began Jan 1, 2026 · 7 months ago · Source ↗

  • Public Notice — Other violation

    medium severityResolved

    Public Notice Other violation (Resolved).

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

  • Surface Water Treatment Rule — MR violation

    medium severityResolved

    Surface Water Treatment Rule MR violation (Resolved).

    EPA SDWIS · MR · Began Dec 1, 2025 · 8 months ago · Source ↗

  • TTHM — MR violation

    medium severityResolved

    TTHM MR violation (Resolved).

    EPA SDWIS · MR · Began Oct 1, 2025 · 10 months ago · Source ↗

  • Total Haloacetic Acids (HAA5) — MR violation

    medium severityResolved

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

    EPA SDWIS · MR · Began Oct 1, 2025 · 10 months ago · Source ↗

  • Chlorine — MR violation

    medium severityResolved

    Chlorine MR violation (Resolved).

    EPA SDWIS · MR · Began Oct 1, 2025 · 10 months 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 ↗

  • TTHM — MR violation

    medium severityResolved

    TTHM MR violation (Resolved).

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

  • Surface Water Treatment Rule — TT violation

    high severityHealth-basedResolved

    Surface Water Treatment Rule TT violation (Resolved).

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

  • Lead and Copper Rule — MR violation

    medium severityResolved

    Lead and Copper Rule MR violation (Resolved).

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

  • Public Notice — Other violation

    medium severityResolved

    Public Notice Other violation (Resolved).

    EPA SDWIS · Other · Began Aug 1, 2024 · 2 years ago · Source ↗

  • TTHM — MCL violation

    high severityHealth-basedResolved

    TTHM MCL violation (Resolved).

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

  • Public Notice — Other violation

    medium severityResolved

    Public Notice Other violation (Resolved).

    EPA SDWIS · Other · Began Feb 27, 2024 · 2 years ago · Source ↗

  • Groundwater Rule — TT violation

    high severityHealth-basedResolved

    Groundwater Rule TT violation (Resolved).

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

  • TTHM — MCL violation

    high severityHealth-basedResolved

    TTHM MCL violation (Resolved).

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

  • TTHM — MCL violation

    high severityHealth-basedResolved

    TTHM MCL violation (Resolved).

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

  • TTHM — MCL violation

    high severityHealth-basedResolved

    TTHM MCL violation (Resolved).

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

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.