H

Havre, MT

—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

Havre City Of

PWSID:
MT0000524
Source:
Surface water
Serves:
9,921 people

North Havre County Water Dist

PWSID:
MT0002988
Source:
Surface water
Serves:
90 people

Hilldale Colony

PWSID:
MT0001774
Source:
Surface water
Serves:
79 people

Ncmrwa North Havre Cwd Leg

PWSID:
MT0004720
Source:
Surface water
Serves:
90 people

East End Colony Inc

PWSID:
MT0001780
Source:
Ground water
Serves:
100 people

Ncmrwa Tiber Service Area

PWSID:
MT0004719
Source:
Surface water
Serves:
200 people

Hill County Water Districts

PWSID:
MT0000249
Source:
Ground water
Serves:
1,720 people

Hartland Colony

PWSID:
MT0004072
Source:
Ground water
Serves:
73 people

EPA & DEP violations

Havre City Of

PWSID MT00005245 violations

  • Surface Water Treatment Rule — MR violation

    medium severityResolved

    Surface Water Treatment Rule MR violation (Resolved).

    EPA SDWIS · MR · Began Oct 1, 2024 · 1 year 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 ↗

  • Long Term 2 Enhanced Surface Water Treatment Rule — TT violation

    high severityHealth-basedArchived

    Long Term 2 Enhanced Surface Water Treatment Rule TT violation (Archived).

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

  • Public Notice — Other violation

    medium severityResolved

    Public Notice Other violation (Resolved).

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

  • Interim Enhanced Surface Water Treatment Rule — TT violation

    high severityHealth-basedArchived

    Interim Enhanced Surface Water Treatment Rule TT violation (Archived).

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

City-wide

15 violations

  • Surface Water Treatment Rule — MR violation

    medium severityArchived

    Surface Water Treatment Rule MR violation (Archived).

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

  • Surface Water Treatment Rule — MR violation

    medium severityResolved

    Surface Water Treatment Rule MR violation (Resolved).

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

  • Surface Water Treatment Rule — MR violation

    medium severityResolved

    Surface Water Treatment Rule MR violation (Resolved).

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

  • Surface Water Treatment Rule — MR violation

    medium severityResolved

    Surface Water Treatment Rule MR violation (Resolved).

    EPA SDWIS · MR · Began Oct 1, 2024 · 1 year 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 ↗

  • 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 ↗

  • TTHM — MR violation

    medium severityResolved

    TTHM MR violation (Resolved).

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

  • Total Haloacetic Acids (HAA5) — MCL violation

    high severityHealth-basedResolved

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

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

  • Barium — MR violation

    medium severityResolved

    Barium 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 ↗

  • Antimony, Total — MR violation

    medium severityResolved

    Antimony, Total 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.