C

Columbus, MT

—no score

Contamination score

Higher = more contaminated vs. other cities.

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

Columbus Town Of

PWSID:
MT0000185
Source:
Ground water
Serves:
1,900 people

Eagle Mountain Rural Pws

PWSID:
MT0004461
Source:
Ground water
Serves:
50 people

Sherwood Water Station

PWSID:
MT0004059
Source:
Ground water
Serves:
25 people

Hilltop Water

PWSID:
MT0005205
Source:
Ground water
Serves:
50 people

Country Haven Estates Whispering Pines

PWSID:
MT0004376
Source:
Ground water
Serves:
100 people

EPA & DEP violations

City-wide

20 violations

  • Revised Total Coliform Rule — MON violation

    medium severityResolved

    Revised Total Coliform Rule MON violation (Resolved).

    EPA SDWIS · MON · Began Aug 1, 2025 · 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, 2025 · 1 year 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 ↗

  • Lead and Copper Rule — MR violation

    medium severityResolved

    Lead and Copper 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 Aug 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, 2024 · 2 years ago · Source ↗

  • Consumer Confidence Rule — Other violation

    medium severityResolved

    Consumer Confidence Rule Other violation (Resolved).

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

  • E. COLI — MR violation

    medium severityResolved

    E. COLI MR violation (Resolved).

    EPA SDWIS · MR · Began Nov 21, 2023 · 2 years ago · Source ↗

  • Revised Total Coliform Rule — MON violation

    medium severityResolved

    Revised Total Coliform Rule MON violation (Resolved).

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

  • Revised Total Coliform Rule — MON violation

    medium severityResolved

    Revised Total Coliform Rule MON violation (Resolved).

    EPA SDWIS · MON · Began Jun 1, 2023 · 3 years ago · Source ↗

  • Di(2-ethylhexyl) phthalate — MR violation

    medium severityResolved

    Di(2-ethylhexyl) phthalate MR violation (Resolved).

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

  • Picloram — MR violation

    medium severityResolved

    Picloram MR violation (Resolved).

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

  • Combined Radium (-226 and -228) — MR violation

    medium severityResolved

    Combined Radium (-226 and -228) MR violation (Resolved).

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

  • Endrin — MR violation

    medium severityResolved

    Endrin MR violation (Resolved).

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

  • Di(2-ethylhexyl) adipate — MR violation

    medium severityResolved

    Di(2-ethylhexyl) adipate MR violation (Resolved).

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

  • OXAMYL — MR violation

    medium severityResolved

    OXAMYL MR violation (Resolved).

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

  • Simazine — MR violation

    medium severityResolved

    Simazine MR violation (Resolved).

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

  • Carbofuran — MR violation

    medium severityResolved

    Carbofuran MR violation (Resolved).

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

  • Heptachlor — MR violation

    medium severityResolved

    Heptachlor MR violation (Resolved).

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

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.