CityWaterTest
U

Unalaska, AK

—no score

Contamination score

Higher = more contaminated vs. other cities.

0
Water sources
20
Violations
0
Pollution sources
0
Self-reported
0
Lawsuits

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

No issues reported yet. Be the first to report one.

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Public water systems

Unalaska Water System

PWSID:
AK2260309
Source:
Surface water
Serves:
9,400 people

EPA & DEP violations

  • Total Haloacetic Acids (HAA5) — MR violation

    medium severityArchived

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

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

  • TTHM — MR violation

    medium severityArchived

    TTHM MR violation (Archived).

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

  • Revised Total Coliform Rule — MON violation

    medium severityResolved

    Revised Total Coliform Rule MON violation (Resolved).

    EPA SDWIS · MON · Began May 1, 2024 · 2 years ago · Source ↗

  • Chlorine — MR violation

    medium severityResolved

    Chlorine MR violation (Resolved).

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

  • Surface Water Treatment Rule — MR violation

    medium severityResolved

    Surface Water Treatment Rule MR violation (Resolved).

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

  • TTHM — MR violation

    medium severityResolved

    TTHM MR violation (Resolved).

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

  • Nitrate — MR violation

    medium severityResolved

    Nitrate MR violation (Resolved).

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

  • CARBON, TOTAL — MR violation

    medium severityResolved

    CARBON, TOTAL MR violation (Resolved).

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

  • CARBON, TOTAL — MR violation

    medium severityResolved

    CARBON, TOTAL MR violation (Resolved).

    EPA SDWIS · MR · Began Jul 1, 2023 · 2 years ago · Source ↗

  • Surface Water Treatment Rule — MR violation

    medium severityResolved

    Surface Water Treatment Rule MR violation (Resolved).

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

  • Chlorine — MR violation

    medium severityResolved

    Chlorine MR violation (Resolved).

    EPA SDWIS · MR · Began Apr 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 Nov 1, 2021 · 4 years ago · Source ↗

  • Surface Water Treatment Rule — MR violation

    medium severityResolved

    Surface Water Treatment Rule MR violation (Resolved).

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

  • Revised Total Coliform Rule — MON violation

    medium severityResolved

    Revised Total Coliform Rule MON violation (Resolved).

    EPA SDWIS · MON · Began May 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 ↗

  • Combined Uranium — MR violation

    medium severityArchived

    Combined Uranium MR violation (Archived).

    EPA SDWIS · MR · Began Jan 1, 2017 · 9 years ago · Source ↗

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

    medium severityArchived

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

    EPA SDWIS · MR · Began Jan 1, 2017 · 9 years ago · Source ↗

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

    medium severityArchived

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

    EPA SDWIS · MR · Began Jan 1, 2017 · 9 years ago · Source ↗

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.