G

Grand Junction, CO

—no score

Contamination score

Higher = more contaminated vs. other cities.

0
Water sources
19
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

GRAND JUNCTION CITY OF

PWSID:
CO0139321
Source:
Surface water
Serves:
26,000 people

Twin Rivers MHP, Llc

PWSID:
CO0139760
Source:
Surface water
Serves:
67 people

EPA & DEP violations

GRAND JUNCTION CITY OF

PWSID CO01393215 violations

  • Monitoring violation — GRAND JUNCTION CITY OF

    low severityResolved

    EPA SDWIS violation 4008645 (code 32) at GRAND JUNCTION CITY OF (PWSID CO0139321).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2018 · 8 years ago · Source ↗

  • Monitoring violation — GRAND JUNCTION CITY OF

    low severityResolved

    EPA SDWIS violation 4008642 (code 32) at GRAND JUNCTION CITY OF (PWSID CO0139321).

    EPA SDWIS · Monitoring violation · Began Nov 1, 2016 · 9 years ago · Source ↗

  • Monitoring violation — GRAND JUNCTION CITY OF

    low severityResolved

    EPA SDWIS violation 4008643 (code 32) at GRAND JUNCTION CITY OF (PWSID CO0139321).

    EPA SDWIS · Monitoring violation · Began Nov 1, 2016 · 9 years ago · Source ↗

  • Monitoring violation — GRAND JUNCTION CITY OF

    low severityResolved

    EPA SDWIS violation 4008644 (code 32) at GRAND JUNCTION CITY OF (PWSID CO0139321).

    EPA SDWIS · Monitoring violation · Began Nov 1, 2016 · 9 years ago · Source ↗

  • Monitoring violation — GRAND JUNCTION CITY OF

    low severityResolved

    EPA SDWIS violation 4008402 (code 27) at GRAND JUNCTION CITY OF (PWSID CO0139321).

    EPA SDWIS · Monitoring violation · Began Apr 11, 2002 · 24 years ago · Source ↗

City-wide

14 violations

  • Revised Total Coliform Rule — Other violation

    medium severityResolved

    Revised Total Coliform Rule Other violation (Resolved).

    EPA SDWIS · Other · Began Mar 25, 2026 · 4 months ago · Source ↗

  • Public Notice — Other violation

    medium severityResolved

    Public Notice Other violation (Resolved).

    EPA SDWIS · Other · Began Jul 15, 2025 · 1 year ago · Source ↗

  • Surface Water Treatment Rule — MR violation

    medium severityResolved

    Surface Water Treatment Rule MR violation (Resolved).

    EPA SDWIS · MR · Began Mar 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 Feb 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 ↗

  • Surface Water Treatment Rule — MR violation

    medium severityResolved

    Surface Water Treatment Rule MR violation (Resolved).

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

  • Revised Total Coliform Rule — Other violation

    medium severityResolved

    Revised Total Coliform Rule Other violation (Resolved).

    EPA SDWIS · Other · Began Oct 11, 2022 · 3 years ago · Source ↗

  • Stage 2 Disinfectants and Disinfection Byproducts Rule — MR violation

    medium severityResolved

    Stage 2 Disinfectants and Disinfection Byproducts Rule MR violation (Resolved).

    EPA SDWIS · MR · Began Oct 11, 2022 · 3 years ago · Source ↗

  • Surface Water Treatment Rule — MR violation

    medium severityResolved

    Surface Water Treatment Rule MR violation (Resolved).

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

  • Revised Total Coliform Rule — MON violation

    medium severityResolved

    Revised Total Coliform Rule MON violation (Resolved).

    EPA SDWIS · MON · Began Sep 1, 2022 · 3 years ago · Source ↗

  • Chlorine — MR violation

    medium severityResolved

    Chlorine MR violation (Resolved).

    EPA SDWIS · MR · Began Jul 1, 2022 · 4 years ago · Source ↗

  • Surface Water Treatment Rule — MR violation

    medium severityResolved

    Surface Water Treatment Rule MR violation (Resolved).

    EPA SDWIS · MR · Began Jun 1, 2022 · 4 years ago · Source ↗

  • Revised Total Coliform Rule — MON violation

    medium severityResolved

    Revised Total Coliform Rule MON violation (Resolved).

    EPA SDWIS · MON · Began Jun 1, 2022 · 4 years ago · Source ↗

  • Chlorine — MR violation

    medium severityResolved

    Chlorine MR violation (Resolved).

    EPA SDWIS · MR · Began Apr 1, 2022 · 4 years ago · Source ↗

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.