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Water system · PWSID CO0142200

CORTEZ CITY OF

CORTEZ, CO · ~8,770 people served

Check your exact address → CORTEZ overview
100
Excellent
PurityRadar safety score

PWSID

CO0142200

State

Colorado

City

CORTEZ

Population served

8,770

Primary source

Surface water

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 100

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

Latest detections from EPA’s UCMR5 monitoring (through Apr 2023). Levels in parts per trillion (ppt).

Lithium

25,000 ppt

limit —

No federal limit

Violations & enforcement

69

Violations on record

0

Unaddressed

2

Health-based

30

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jul 2025. Official EPA record →

Treatment technique · EPA contaminant 0300 health-based began Jan 2020 Resolved
Monitoring & reporting · EPA contaminant 2035 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2015 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2037 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2032 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2031 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2036 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2033 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2010 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2005 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2020 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2039 began Jan 2011 Resolved

Recent enforcement actions

  • State action · SIA Jul 2025
  • State action · SIE Jul 2025
  • State action · SOX Jul 2025
  • State action · SOX Mar 2020
  • State action · SIF Feb 2020
  • State action · SIA Jan 2020
  • State action · SIE Jan 2020
  • State action · SOX Sep 2014

This profile is built from EPA public records for system CO0142200 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.