Cortez, CO
Contamination score
Higher = more contaminated vs. other cities.
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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.
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Public water systems
CORTEZ CITY OF
- PWSID:
- CO0142200
- Source:
- Surface water
- Serves:
- 8,770 people
Vista Verde Village
- PWSID:
- CO0142804
- Source:
- Surface water
- Serves:
- 200 people
EPA & DEP violations
CORTEZ CITY OF
PWSID CO01422002 violationsOther violation — CORTEZ CITY OF
low severityResolvedEPA SDWIS violation 1004974 (code 09) at CORTEZ CITY OF (PWSID CO0142200).
EPA SDWIS · Other violation · Began Jul 7, 2025 · 1 year ago · Source ↗
Treatment technique violation — CORTEZ CITY OF
high severityHealth-basedResolvedEPA SDWIS violation 1004973 (code 43) at CORTEZ CITY OF (PWSID CO0142200).
EPA SDWIS · Treatment technique violation · Began Jan 1, 2020 · 6 years ago · Source ↗
City-wide
11 violationsLead and Copper Rule — MR violation
medium severityResolvedLead and Copper Rule MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2026 · 7 months ago · Source ↗
Lead and Copper Rule — MR violation
medium severityResolvedLead and Copper Rule MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2024 · 2 years ago · Source ↗
Lead and Copper Rule — MR violation
medium severityResolvedLead and Copper Rule MR violation (Resolved).
EPA SDWIS · MR · Began Jul 1, 2021 · 5 years ago · Source ↗
Lead and Copper Rule — MR violation
medium severityResolvedLead and Copper Rule MR violation (Resolved).
EPA SDWIS · MR · Began Apr 1, 2021 · 5 years ago · Source ↗
Stage 1 Disinfectants and Disinfection Byproducts Rule — TT violation
high severityHealth-basedResolvedStage 1 Disinfectants and Disinfection Byproducts Rule TT violation (Resolved).
EPA SDWIS · TT · Began Jul 1, 2020 · 6 years ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Jun 1, 2020 · 6 years ago · Source ↗
Surface Water Treatment Rule — MR violation
medium severityResolvedSurface Water Treatment Rule MR violation (Resolved).
EPA SDWIS · MR · Began Jun 1, 2020 · 6 years ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began May 1, 2020 · 6 years ago · Source ↗
Surface Water Treatment Rule — MR violation
medium severityResolvedSurface Water Treatment Rule MR violation (Resolved).
EPA SDWIS · MR · Began May 1, 2020 · 6 years ago · Source ↗
Chloramine — MR violation
medium severityResolvedChloramine MR violation (Resolved).
EPA SDWIS · MR · Began Apr 1, 2020 · 6 years ago · Source ↗
Violation — Violation violation
medium severityContaminant Violation violation.
EPA SDWIS · Violation · Began — · Source ↗
Water-related lawsuits
No lawsuits on record.
In the news & sources
No coverage linked yet.