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Water system · PWSID AZ0410262

QUAIL CREEK WATER COMPANY

TUCSON, AZ · ~6,812 people served

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

PWSID

AZ0410262

State

Arizona

City

TUCSON

Population served

6,812

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

Latest detections from EPA’s UCMR5 monitoring (through May 2025). Levels in parts per trillion (ppt).

Lithium

42,000 ppt

limit —

No federal limit

Violations & enforcement

61

Violations on record

0

Unaddressed

0

Health-based

29

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 2022. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Oct 2021 Resolved
Reporting · Lead & Copper Rule began May 2021 Resolved
Other · EPA contaminant 7000 began Jul 2016 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2015 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jan 2014 Resolved
Other · EPA contaminant 7000 began Oct 2013 Resolved
Monitoring & reporting · EPA contaminant 0999 began Oct 2013 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jul 2013 Resolved
Other · EPA contaminant 7000 began Jul 2013 Resolved
Other · EPA contaminant 7000 began Oct 2012 Resolved
Other · EPA contaminant 7000 began Jul 2012 Resolved
Other · EPA contaminant 7000 began Oct 2011 Resolved

Recent enforcement actions

  • State action · SIA Jan 2022
  • State action · SOX Dec 2021
  • State action · SIA Jun 2021
  • State action · SOX Jun 2021
  • State action · SOX Aug 2016
  • State action · SOX Nov 2015
  • State action · SIA Nov 2015
  • State action · SOX Jul 2014

This profile is built from EPA public records for system AZ0410262 — 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.