CityWaterTest
C

Columbia Falls, MT

—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.

Home water filtration system

Protect your home

Improve Columbia Falls's water

A certified filtration system can remove lead, PFAS, nitrates, and the contaminants flagged on this page. Get a free, no-obligation quote tailored to your home.

What are you interested in?

By submitting you agree to be contacted about water treatment options.

Public water systems

East Wood Village Trailer Park

PWSID:
MT0002814
Source:
Ground water
Serves:
36 people

Prairie Falcon Acres

PWSID:
MT0004483
Source:
Ground water
Serves:
41 people

Country Estates Mble Home Park

PWSID:
MT0001892
Source:
Ground water
Serves:
125 people

Meadow Lake Co Water And Sewer District

PWSID:
MT0000914
Source:
Ground water
Serves:
950 people

Kokanee Bend Hoa

PWSID:
MT0002997
Source:
Ground water
Serves:
230 people

Halfmoon Mobile Home Park Inc

PWSID:
MT0003531
Source:
Ground water
Serves:
60 people

River Bluff Hoa Whitefish

PWSID:
MT0003652
Source:
Ground water
Serves:
32 people

Riverside Mobile Home Park

PWSID:
MT0000108
Source:
Ground water
Serves:
100 people

Hideaway Tr Pk Columbia Falls

PWSID:
MT0001737
Source:
Ground water
Serves:
75 people

Big Sky Mobile Manor

PWSID:
MT0002493
Source:
Ground water
Serves:
35 people

Elk Park Village

PWSID:
MT0002856
Source:
Ground water
Serves:
35 people

Columbia Falls City Of

PWSID:
MT0000181
Source:
Ground water
Serves:
4,450 people

Timber Ridge Hoa

PWSID:
MT0004939
Source:
Ground water
Serves:
30 people

Flathead County Water Dist 101

PWSID:
MT0000184
Source:
Ground water
Serves:
210 people

EPA & DEP violations

  • E. COLI — MR violation

    medium severityResolved

    E. COLI MR violation (Resolved).

    EPA SDWIS · MR · Began Dec 4, 2025 · 6 months ago · Source ↗

  • E. COLI — MR violation

    medium severityResolved

    E. COLI MR violation (Resolved).

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

  • Lead and Copper Rule — MR violation

    medium severityUnaddressed

    Lead and Copper Rule MR violation (Unaddressed).

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

  • Lead and Copper Rule — MR violation

    medium severityUnaddressed

    Lead and Copper Rule MR violation (Unaddressed).

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

  • Consumer Confidence Rule — Other violation

    medium severityResolved

    Consumer Confidence Rule Other violation (Resolved).

    EPA SDWIS · Other · Began Jul 1, 2025 · 11 months ago · Source ↗

  • Consumer Confidence Rule — Other violation

    medium severityResolved

    Consumer Confidence Rule Other violation (Resolved).

    EPA SDWIS · Other · Began Jul 1, 2025 · 11 months ago · Source ↗

  • Revised Total Coliform Rule — MON violation

    medium severityResolved

    Revised Total Coliform Rule MON violation (Resolved).

    EPA SDWIS · MON · Began Jun 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 Jan 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 Dec 30, 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 · 1 year ago · Source ↗

  • Consumer Confidence Rule — Other violation

    medium severityUnaddressed

    Consumer Confidence Rule Other violation (Unaddressed).

    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 · 2 years ago · Source ↗

  • Consumer Confidence Rule — Other violation

    medium severityResolved

    Consumer Confidence Rule Other violation (Resolved).

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

  • E. COLI — MR violation

    medium severityResolved

    E. COLI MR violation (Resolved).

    EPA SDWIS · MR · Began Oct 8, 2022 · 3 years ago · Source ↗

  • Consumer Confidence Rule — Other violation

    medium severityResolved

    Consumer Confidence Rule Other violation (Resolved).

    EPA SDWIS · Other · Began Jul 1, 2022 · 3 years ago · Source ↗

  • Heptachlor — MR violation

    medium severityResolved

    Heptachlor MR violation (Resolved).

    EPA SDWIS · MR · Began Jul 1, 2022 · 3 years ago · Source ↗

  • Heptachlor epoxide — MR violation

    medium severityResolved

    Heptachlor epoxide MR violation (Resolved).

    EPA SDWIS · MR · Began Jul 1, 2022 · 3 years ago · Source ↗

  • BHC-GAMMA — MR violation

    medium severityResolved

    BHC-GAMMA MR violation (Resolved).

    EPA SDWIS · MR · Began Jul 1, 2022 · 3 years ago · Source ↗

  • Methoxychlor — MR violation

    medium severityResolved

    Methoxychlor MR violation (Resolved).

    EPA SDWIS · MR · Began Jul 1, 2022 · 3 years ago · Source ↗

  • Toxaphene — MR violation

    medium severityResolved

    Toxaphene MR violation (Resolved).

    EPA SDWIS · MR · Began Jul 1, 2022 · 3 years ago · Source ↗

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.