E

Exeter, NH

—no score

Contamination score

Higher = more contaminated vs. other cities.

⚠️11 health-based violations on record.
0
Water sources
21
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

Exeter Water Dept

PWSID:
NH0801010
Source:
Surface water
Serves:
12,236 people

Exeter Highlands

PWSID:
NH0802020
Source:
Ground water
Serves:
50 people

Louisburg Circle

PWSID:
NH0802030
Source:
Ground water
Serves:
55 people

Forest Ridge

PWSID:
NH0802040
Source:
Ground water
Serves:
140 people

Exeter River Mobile Home Park

PWSID:
NH0803020
Source:
Ground water
Serves:
980 people

Beech Tree Cooperative

PWSID:
NH0803040
Source:
Ground water
Serves:
70 people

Pickpocket Woods

PWSID:
NH0802010
Source:
Ground water
Serves:
26 people

River Run

PWSID:
NH0803030
Source:
Ground water
Serves:
411 people

EPA & DEP violations

Exeter Water Dept

PWSID NH08010108 violations

  • TTHM — MCL violation

    high severityHealth-basedArchived

    TTHM MCL violation (Archived).

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

  • TTHM — MCL violation

    high severityHealth-basedResolved

    TTHM MCL violation (Resolved).

    EPA SDWIS · MCL · Began Jul 1, 2019 · 7 years ago · Source ↗

  • TTHM — MCL violation

    high severityHealth-basedResolved

    TTHM MCL violation (Resolved).

    EPA SDWIS · MCL · Began Apr 1, 2019 · 7 years ago · Source ↗

  • TTHM — MCL violation

    high severityHealth-basedResolved

    TTHM MCL violation (Resolved).

    EPA SDWIS · MCL · Began Jan 1, 2019 · 7 years ago · Source ↗

  • TTHM — MCL violation

    high severityHealth-basedResolved

    TTHM MCL violation (Resolved).

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

  • TTHM — MCL violation

    high severityHealth-basedResolved

    TTHM MCL violation (Resolved).

    EPA SDWIS · MCL · Began Jul 1, 2018 · 8 years ago · Source ↗

  • TTHM — MCL violation

    high severityHealth-basedResolved

    TTHM MCL violation (Resolved).

    EPA SDWIS · MCL · Began Apr 1, 2018 · 8 years ago · Source ↗

  • Chlorine — MR violation

    medium severityResolved

    Chlorine MR violation (Resolved).

    EPA SDWIS · MR · Began Apr 1, 2018 · 8 years ago · Source ↗

Forest Ridge

PWSID NH08020401 violation

  • MCL exceedance — FOREST RIDGE

    high severityHealth-basedResolved

    EPA SDWIS violation 1600008 (code 1A) at FOREST RIDGE (PWSID NH0802040).

    EPA SDWIS · MCL exceedance · Began Aug 1, 2016 · 10 years ago · Source ↗

City-wide

12 violations

  • Revised Total Coliform Rule — RPT violation

    medium severityUnaddressed

    Revised Total Coliform Rule RPT violation (Unaddressed).

    EPA SDWIS · RPT · Began Mar 11, 2026 · 5 months ago · Source ↗

  • Revised Total Coliform Rule — MON violation

    medium severityArchived

    Revised Total Coliform Rule MON violation (Archived).

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

  • Lead and Copper Rule — TT violation

    high severityHealth-basedResolved

    Lead and Copper Rule TT violation (Resolved).

    EPA SDWIS · TT · Began May 30, 2025 · 1 year ago · Source ↗

  • Nitrate — MR violation

    medium severityResolved

    Nitrate MR violation (Resolved).

    EPA SDWIS · MR · Began Jan 1, 2022 · 4 years ago · Source ↗

  • Revised Total Coliform Rule — MON violation

    medium severityResolved

    Revised Total Coliform Rule MON violation (Resolved).

    EPA SDWIS · MON · Began Mar 1, 2021 · 5 years ago · Source ↗

  • Revised Total Coliform Rule — RPT violation

    medium severityResolved

    Revised Total Coliform Rule RPT violation (Resolved).

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

  • Public Notice — Other violation

    medium severityResolved

    Public Notice Other violation (Resolved).

    EPA SDWIS · Other · Began Sep 19, 2019 · 6 years ago · Source ↗

  • Lead and Copper Rule — TT violation

    high severityHealth-basedResolved

    Lead and Copper Rule TT violation (Resolved).

    EPA SDWIS · TT · Began Jul 14, 2019 · 7 years ago · Source ↗

  • Consumer Confidence Rule — Other violation

    medium severityResolved

    Consumer Confidence Rule Other violation (Resolved).

    EPA SDWIS · Other · Began Jul 1, 2019 · 7 years ago · Source ↗

  • Consumer Confidence Rule — Other violation

    medium severityResolved

    Consumer Confidence Rule Other violation (Resolved).

    EPA SDWIS · Other · Began Jul 1, 2018 · 8 years ago · Source ↗

  • Public Notice — Other violation

    medium severityResolved

    Public Notice Other violation (Resolved).

    EPA SDWIS · Other · Began Jun 3, 2018 · 8 years ago · Source ↗

  • Groundwater Rule — TT violation

    high severityHealth-basedResolved

    Groundwater Rule TT violation (Resolved).

    EPA SDWIS · TT · Began Apr 17, 2018 · 8 years ago · Source ↗

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.