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Water system · PWSID NN0403006

LeChee NTUA

Ft Defiance, AZ · ~1,115 people served

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

PWSID

NN0403006

State

Arizona

City

Ft Defiance

Population served

1,115

Primary source

SWP

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

76

Violations on record

1

Unaddressed

3

Health-based

107

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2017. Official EPA record →

Monitoring & reporting · EPA contaminant 0600 began Oct 2013 Unaddressed
Monitoring & reporting · Total trihalomethanes (TTHM) began Apr 2015 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Apr 2015 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Oct 2014 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Oct 2014 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Apr 2014 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Apr 2014 Resolved
Monitoring & reporting · Total coliform began Dec 2012 Resolved
Monitoring & reporting · Total coliform began Nov 2012 Resolved
Max contaminant level (MCL) · Total coliform health-based began Feb 2010 Resolved
Monitoring & reporting · Nitrite began Jan 2010 Resolved
Monitoring & reporting · Nitrate began Jan 2010 Resolved

Recent enforcement actions

  • State action · SFJ Aug 2017
  • State action · SFG Aug 2017
  • State action · SFG Aug 2016
  • State action · SFJ Aug 2016
  • State action · SFG Aug 2016
  • State action · SFJ Aug 2016
  • State action · SOX May 2016
  • State action · SOX May 2016

This profile is built from EPA public records for system NN0403006 — 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.