C

Cheyenne, WY

—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

Cheyenne Board Of Public Utilities

PWSID:
WY5600011
Source:
Surface water
Serves:
64,165 people

Evergreen Mobile Home Park

PWSID:
WY5600021
Source:
Ground water
Serves:
35 people

Miller Lower Mobile Home Park

PWSID:
WY5600051
Source:
Ground water
Serves:
30 people

Winchester Hills

PWSID:
WY5600779
Source:
Ground water
Serves:
1,078 people

West Winds

PWSID:
WY5601619
Source:
Surface water
Serves:
663 people

South Cheyenne Water & Sewer District

PWSID:
WY5600239
Source:
Surface water
Serves:
10,000 people

Mountain View Estates (Knecht Invts)

PWSID:
WY5601270
Source:
Ground water
Serves:
75 people

Hide-A-Way Mobile Village

PWSID:
WY5600263
Source:
Ground water
Serves:
107 people

Cimmaron Village

PWSID:
WY5601315
Source:
Surface water
Serves:
327 people

Restway Travel Park

PWSID:
WY5601292
Source:
Ground water
Serves:
62 people

Usaf F.E. Warren Afb

PWSID:
WY5680122
Source:
Surface water
Serves:
5,500 people

Orchard Valley Water Company

PWSID:
WY5600012
Source:
Ground water
Serves:
260 people

Highland Ranch Estates

PWSID:
WY5600260
Source:
Ground water
Serves:
128 people

Englewood Village MHP

PWSID:
WY5601304
Source:
Surface water
Serves:
152 people

Big Country Estates

PWSID:
WY5601271
Source:
Surface water
Serves:
615 people

EPA & DEP violations

South Cheyenne Water & Sewer District

PWSID WY56002391 violation

  • Consumer Confidence Rule — Other violation

    medium severityResolved

    Consumer Confidence Rule Other violation (Resolved).

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

City-wide

19 violations

  • Consumer Confidence Rule — Other violation

    medium severityUnaddressed

    Consumer Confidence Rule Other violation (Unaddressed).

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

  • Nitrate-Nitrite — MR violation

    medium severityResolved

    Nitrate-Nitrite MR violation (Resolved).

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

  • Revised Total Coliform Rule — MCL violation

    high severityHealth-basedResolved

    Revised Total Coliform Rule MCL violation (Resolved).

    EPA SDWIS · MCL · Began Aug 1, 2025 · 1 year ago · Source ↗

  • Consumer Confidence Rule — Other violation

    medium severityUnaddressed

    Consumer Confidence Rule Other violation (Unaddressed).

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

  • Total Haloacetic Acids (HAA5) — MR violation

    medium severityArchived

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

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

  • TTHM — MR violation

    medium severityArchived

    TTHM MR violation (Archived).

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

  • Chlorine — MR violation

    medium severityResolved

    Chlorine MR violation (Resolved).

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

  • Nitrate-Nitrite — MR violation

    medium severityResolved

    Nitrate-Nitrite MR violation (Resolved).

    EPA SDWIS · MR · Began Jan 1, 2024 · 2 years ago · Source ↗

  • Total Haloacetic Acids (HAA5) — MR violation

    medium severityArchived

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

    EPA SDWIS · MR · Began Jan 1, 2024 · 2 years ago · Source ↗

  • TTHM — MR violation

    medium severityArchived

    TTHM MR violation (Archived).

    EPA SDWIS · MR · Began Jan 1, 2024 · 2 years ago · Source ↗

  • Lead and Copper Rule — MR violation

    medium severityUnaddressed

    Lead and Copper Rule MR violation (Unaddressed).

    EPA SDWIS · MR · Began Dec 30, 2023 · 2 years ago · Source ↗

  • Nitrate-Nitrite — MR violation

    medium severityResolved

    Nitrate-Nitrite MR violation (Resolved).

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

  • Revised Total Coliform Rule — MON violation

    medium severityResolved

    Revised Total Coliform Rule MON violation (Resolved).

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

  • Surface Water Treatment Rule — MR violation

    medium severityResolved

    Surface Water Treatment Rule MR violation (Resolved).

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

  • Chlorine — MR violation

    medium severityResolved

    Chlorine MR violation (Resolved).

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

  • p-Dichlorobenzene — MR violation

    medium severityArchived

    p-Dichlorobenzene MR violation (Archived).

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

  • ETHYLENE DIBROMIDE — MR violation

    medium severityArchived

    ETHYLENE DIBROMIDE MR violation (Archived).

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

  • Heptachlor epoxide — MR violation

    medium severityArchived

    Heptachlor epoxide MR violation (Archived).

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

  • Nickel — MR violation

    medium severityArchived

    Nickel MR violation (Archived).

    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.