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Water system · PWSID AZ0410409

LA CASITA WATER COMPANY 1

TUCSON, AZ · ~174 people served

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

PWSID

AZ0410409

State

Arizona

City

TUCSON

Population served

174

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

34

Violations on record

1

Unaddressed

1

Health-based

29

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 2016. Official EPA record →

Other · EPA contaminant 7000 began Jul 2002 Unaddressed
Monitoring & reporting · EPA contaminant 0999 began Oct 2015 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jan 2013 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 2012 Resolved
Monitoring & reporting · Total coliform began Oct 2011 Resolved
Monitoring & reporting · EPA contaminant 0999 began Apr 2011 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 0999 began Oct 2010 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jul 2010 Resolved
Monitoring & reporting · EPA contaminant 0999 began Apr 2010 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jan 2010 Resolved
Monitoring & reporting · EPA contaminant 0999 began Oct 2009 Resolved

Recent enforcement actions

  • State action · SOX Jan 2016
  • State action · SOX Jul 2013
  • State action · SOX Dec 2012
  • State action · SIA Dec 2012
  • State action · SOX Jul 2012
  • State action · SIA Dec 2011
  • State action · SO0 May 2011
  • State action · SIA Feb 2010

This profile is built from EPA public records for system AZ0410409 — 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.