T

Thornton, NH

—no score

Contamination score

Higher = more contaminated vs. other cities.

⚠️8 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

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

Northpointe Water

PWSID:
NH2342020
Source:
Ground water
Serves:
48 people

Waterville Acres Condos

PWSID:
NH2342070
Source:
Ground water
Serves:
50 people

Owls Nest Golf Club And Condos

PWSID:
NH2348110
Source:
Ground water
Serves:
272 people

Birch Bend

PWSID:
NH2342090
Source:
Ground water
Serves:
28 people

Mountain River Condos

PWSID:
NH2342030
Source:
Ground water
Serves:
60 people

Star Ridge

PWSID:
NH2342080
Source:
Ground water
Serves:
96 people

175 Estates

PWSID:
NH2342010
Source:
Ground water
Serves:
100 people

Mountain River Condos East

PWSID:
NH2342040
Source:
Ground water
Serves:
200 people

White Mountain Resort/Gateway

PWSID:
NH2342060
Source:
Ground water
Serves:
213 people

Mill Brook Village

PWSID:
NH2342110
Source:
Ground water
Serves:
113 people

EPA & DEP violations

City-wide

20 violations

  • Lead and Copper Rule — MR violation

    medium severityUnaddressed

    Lead and Copper Rule MR violation (Unaddressed).

    EPA SDWIS · MR · Began Mar 31, 2026 · 4 months ago · Source ↗

  • Lead and Copper Rule — MR violation

    medium severityResolved

    Lead and Copper Rule MR violation (Resolved).

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

  • 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 ↗

  • Nitrate — MCL violation

    high severityHealth-basedArchived

    Nitrate MCL violation (Archived).

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

  • Gross Alpha, Excl. Radon and U — MR violation

    medium severityResolved

    Gross Alpha, Excl. Radon and U MR violation (Resolved).

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

  • Nitrate — MCL violation

    high severityHealth-basedArchived

    Nitrate MCL violation (Archived).

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

  • Nitrate — MR violation

    medium severityArchived

    Nitrate MR violation (Archived).

    EPA SDWIS · MR · Began Jan 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 Dec 31, 2024 · 1 year ago · Source ↗

  • Nitrate — MCL violation

    high severityHealth-basedArchived

    Nitrate MCL violation (Archived).

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

  • Nitrate — MCL violation

    high severityHealth-basedArchived

    Nitrate MCL violation (Archived).

    EPA SDWIS · MCL · Began Jan 1, 2024 · 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 ↗

  • Nitrate — MCL violation

    high severityHealth-basedResolved

    Nitrate MCL violation (Resolved).

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

  • Fluoride — MCL violation

    high severityHealth-basedResolved

    Fluoride MCL violation (Resolved).

    EPA SDWIS · MCL · Began Apr 1, 2022 · 4 years ago · Source ↗

  • Lead and Copper Rule — MR violation

    medium severityResolved

    Lead and Copper Rule MR violation (Resolved).

    EPA SDWIS · MR · Began Dec 30, 2021 · 4 years ago · Source ↗

  • Revised Total Coliform Rule — RPT violation

    medium severityResolved

    Revised Total Coliform Rule RPT violation (Resolved).

    EPA SDWIS · RPT · Began Apr 1, 2021 · 5 years ago · Source ↗

  • Lead and Copper Rule — MR violation

    medium severityResolved

    Lead and Copper Rule MR violation (Resolved).

    EPA SDWIS · MR · Began Jul 1, 2020 · 6 years ago · Source ↗

  • Nitrate — MCL violation

    high severityHealth-basedResolved

    Nitrate MCL violation (Resolved).

    EPA SDWIS · MCL · Began Oct 1, 2019 · 6 years ago · Source ↗

  • Nitrate — MCL violation

    high severityHealth-basedResolved

    Nitrate MCL violation (Resolved).

    EPA SDWIS · MCL · Began Oct 1, 2018 · 7 years ago · Source ↗

  • E. COLI — MR violation

    medium severityResolved

    E. COLI MR violation (Resolved).

    EPA SDWIS · MR · Began Jul 20, 2018 · 8 years ago · Source ↗

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.