CityWaterTest
H

Helena, 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

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

Town View Estates Wua Inc

PWSID:
MT0002172
Source:
Ground water
Serves:
175 people

Rosemarys Addition

PWSID:
MT0002743
Source:
Ground water
Serves:
30 people

Broadwater Estates Hoa

PWSID:
MT0004697
Source:
Ground water
Serves:
40 people

Skyview Water And Sewer Utility

PWSID:
MT0004039
Source:
Ground water
Serves:
400 people

Pebble Gardens Mobile Home Ct

PWSID:
MT0000603
Source:
Ground water
Serves:
125 people

Golden Estates Homeowners Association

PWSID:
MT0004187
Source:
Ground water
Serves:
400 people

Masonic Home Of Montana

PWSID:
MT0000245
Source:
Ground water
Serves:
90 people

Bridge Creek Estates Subdivision

PWSID:
MT0004555
Source:
Ground water
Serves:
205 people

Grass Land Estates

PWSID:
MT0004448
Source:
Ground water
Serves:
228 people

MOBILE CITY 3

PWSID:
MT0005088
Source:
Surface water
Serves:
40 people

MOBILE CITY HOME PARK NO 2

PWSID:
MT0003043
Source:
Ground water
Serves:
300 people

MOBILE CITY HOME PARK NO 1

PWSID:
MT0000601
Source:
Ground water
Serves:
100 people

Jefferson Hills Wua

PWSID:
MT0002978
Source:
Ground water
Serves:
780 people

North Star Pud

PWSID:
MT0004264
Source:
Ground water
Serves:
715 people

Prairie Mobile Village

PWSID:
MT0000600
Source:
Ground water
Serves:
163 people

Beacon Trailer Court Helena

PWSID:
MT0000596
Source:
Ground water
Serves:
55 people

Homestead Valley Wua Hvha

PWSID:
MT0003251
Source:
Ground water
Serves:
105 people

Ten Mile And Pleasant Valley Wua

PWSID:
MT0002005
Source:
Ground water
Serves:
750 people

Barnett Water Users System

PWSID:
MT0003183
Source:
Ground water
Serves:
70 people

Mchugh Mobile Home Park

PWSID:
MT0002917
Source:
Ground water
Serves:
490 people

Park Evergreen Trailer Court

PWSID:
MT0000421
Source:
Ground water
Serves:
87 people

Western Skies Mobile Ct

PWSID:
MT0000519
Source:
Ground water
Serves:
25 people

Trails End Tr Park Helena

PWSID:
MT0000605
Source:
Ground water
Serves:
35 people

North Forestvale Homeowners

PWSID:
MT0001793
Source:
Ground water
Serves:
98 people

Bryant No 3 Subdivision

PWSID:
MT0004489
Source:
Ground water
Serves:
100 people

Helena North Koa

PWSID:
MT0003679
Source:
Ground water
Serves:
50 people

Moonlight Estates Hoa

PWSID:
MT0004872
Source:
Ground water
Serves:
44 people

Treasure State Acres Wua

PWSID:
MT0002390
Source:
Ground water
Serves:
483 people

Helena Rv And Mobile Home Park

PWSID:
MT0000426
Source:
Ground water
Serves:
250 people

Ruger Water District

PWSID:
MT0004143
Source:
Ground water
Serves:
79 people

Helena Leisure Llc

PWSID:
MT0000590
Source:
Ground water
Serves:
1,200 people

South Forestvale Hoa

PWSID:
MT0003881
Source:
Ground water
Serves:
82 people

La Casa Grande Water And Sewer District

PWSID:
MT0001924
Source:
Ground water
Serves:
404 people

Golden Estates Trailer Court

PWSID:
MT0000597
Source:
Ground water
Serves:
225 people

Camelot Hoa

PWSID:
MT0000615
Source:
Ground water
Serves:
96 people

Helena Water System

PWSID:
MT0000241
Source:
Surface water
Serves:
32,091 people

Blue Cloud Subdivision

PWSID:
MT0004288
Source:
Ground water
Serves:
60 people

Applegate Village

PWSID:
MT0004144
Source:
Ground water
Serves:
85 people

Grand Valley Estates Subdivision

PWSID:
MT0004474
Source:
Ground water
Serves:
50 people

Holmberg Village Estates

PWSID:
MT0004190
Source:
Ground water
Serves:
225 people

Glacier Point Ho And Wua

PWSID:
MT0004559
Source:
Ground water
Serves:
210 people

Camel Mountain Hoa

PWSID:
MT0000572
Source:
Ground water
Serves:
96 people

East Helena City Of

PWSID:
MT0000196
Source:
Ground water
Serves:
2,114 people

Ranchview Estates Wua

PWSID:
MT0003782
Source:
Ground water
Serves:
250 people

EPA & DEP violations

  • Lead and Copper Rule — MR violation

    medium severityUnaddressed

    Lead and Copper Rule MR violation (Unaddressed).

    EPA SDWIS · MR · Began Jan 1, 2026 · 5 months ago · Source ↗

  • Revised Total Coliform Rule — TT violation

    high severityHealth-basedResolved

    Revised Total Coliform Rule TT violation (Resolved).

    EPA SDWIS · TT · Began Oct 23, 2025 · 7 months ago · Source ↗

  • Lead and Copper Rule — MR violation

    medium severityResolved

    Lead and Copper Rule MR violation (Resolved).

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

  • Consumer Confidence Rule — Other violation

    medium severityUnaddressed

    Consumer Confidence Rule Other violation (Unaddressed).

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

  • E. COLI — MR violation

    medium severityResolved

    E. COLI MR violation (Resolved).

    EPA SDWIS · MR · Began Sep 2, 2025 · 9 months ago · Source ↗

  • E. COLI — MR violation

    medium severityResolved

    E. COLI MR violation (Resolved).

    EPA SDWIS · MR · Began Aug 14, 2025 · 9 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 ↗

  • TTHM — MR violation

    medium severityResolved

    TTHM MR violation (Resolved).

    EPA SDWIS · MR · Began Apr 1, 2025 · 1 year ago · Source ↗

  • Total Haloacetic Acids (HAA5) — MR violation

    medium severityResolved

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

    EPA SDWIS · MR · Began Apr 1, 2025 · 1 year ago · Source ↗

  • Lead and Copper Rule — MR violation

    medium severityUnaddressed

    Lead and Copper Rule MR violation (Unaddressed).

    EPA SDWIS · MR · Began Dec 30, 2024 · 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 ↗

  • 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 ↗

  • 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 ↗

  • 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 ↗

  • 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 ↗

  • Revised Total Coliform Rule — MON violation

    medium severityResolved

    Revised Total Coliform Rule MON violation (Resolved).

    EPA SDWIS · MON · Began Dec 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 Dec 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 Dec 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 ↗

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.