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Water system · PWSID NN4903073

Cane Valley NTUA

Ft Defiance, AZ · ~58 people served

Check your exact address → Ft Defiance overview
100
Excellent
PurityRadar safety score

PWSID

NN4903073

State

Arizona

City

Ft Defiance

Population served

58

Primary source

Groundwater

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

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

12

Violations on record

2

Unaddressed

0

Health-based

34

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Dec 2021. Official EPA record →

Other · Lead & Copper Rule began Apr 2016 Unaddressed
Monitoring & reporting · EPA contaminant 0600 began Oct 2013 Unaddressed
Monitoring & reporting · Arsenic began Jan 2020 Resolved
Monitoring & reporting · Arsenic began Jul 2017 Resolved
Monitoring & reporting · Total coliform began Dec 2012 Resolved
Monitoring & reporting · Total coliform began Nov 2012 Resolved
Monitoring & reporting · Nitrite began Jan 2010 Resolved
Monitoring & reporting · Barium began Jan 2008 Resolved
Monitoring & reporting · EPA contaminant 2946 began Jan 2008 Resolved
Monitoring & reporting · Selenium began Jan 2008 Resolved
Monitoring & reporting · EPA contaminant 2383 began Jan 2008 Resolved
Monitoring & reporting · Cyanide began Jan 2008 Resolved

Recent enforcement actions

  • State action · SOX Dec 2021
  • State action · SOX May 2021
  • State action · SFJ Mar 2021
  • State action · SFG Mar 2021
  • State action · SFG Mar 2021
  • State action · SFJ Mar 2021
  • State action · SOX Dec 2017
  • State action · SFG Aug 2017

This profile is built from EPA public records for system NN4903073 — 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.