D

Dillon, MT

—no score

Contamination score

Higher = more contaminated vs. other cities.

⚠️1 health-based violation 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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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

Dillon City Of

PWSID:
MT0000201
Source:
Ground water
Serves:
4,300 people

Western Mobile Village Dillon

PWSID:
MT0002171
Source:
Ground water
Serves:
75 people

Keller Subdivision No 2 Hoa

PWSID:
MT0002485
Source:
Ground water
Serves:
300 people

Hildreth Subdivision No 3

PWSID:
MT0003968
Source:
Ground water
Serves:
128 people

Skyline Tr Ct And Rv Park

PWSID:
MT0002515
Source:
Ground water
Serves:
75 people

Clarks Lookout

PWSID:
MT0004249
Source:
Ground water
Serves:
62 people

Hildreth Subdivision No 2

PWSID:
MT0002486
Source:
Ground water
Serves:
300 people

EPA & DEP violations

City-wide

20 violations

  • Consumer Confidence Rule — Other violation

    medium severityResolved

    Consumer Confidence Rule Other violation (Resolved).

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

  • Consumer Confidence Rule — Other violation

    medium severityResolved

    Consumer Confidence Rule Other violation (Resolved).

    EPA SDWIS · Other · Began Jul 1, 2025 · 1 year ago · Source ↗

  • Consumer Confidence Rule — Other violation

    medium severityResolved

    Consumer Confidence Rule Other violation (Resolved).

    EPA SDWIS · Other · Began Jul 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 ↗

  • 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 ↗

  • Consumer Confidence Rule — Other violation

    medium severityResolved

    Consumer Confidence Rule Other violation (Resolved).

    EPA SDWIS · Other · 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 Oct 1, 2024 · 1 year 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 ↗

  • 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 Oct 1, 2023 · 2 years ago · Source ↗

  • Consumer Confidence Rule — Other violation

    medium severityResolved

    Consumer Confidence Rule Other violation (Resolved).

    EPA SDWIS · Other · Began Oct 1, 2023 · 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 ↗

  • Consumer Confidence Rule — Other violation

    medium severityResolved

    Consumer Confidence Rule Other violation (Resolved).

    EPA SDWIS · Other · Began Jul 1, 2023 · 3 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 ↗

  • E. COLI — MR violation

    medium severityResolved

    E. COLI MR violation (Resolved).

    EPA SDWIS · MR · Began Jun 14, 2023 · 3 years ago · Source ↗

  • Revised Total Coliform Rule — TT violation

    high severityHealth-basedResolved

    Revised Total Coliform Rule TT violation (Resolved).

    EPA SDWIS · TT · Began Dec 19, 2022 · 3 years ago · Source ↗

  • E. COLI — MR violation

    medium severityResolved

    E. COLI MR violation (Resolved).

    EPA SDWIS · MR · Began Aug 24, 2022 · 3 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 ↗

  • 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 ↗

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.