ARIZONA WATER CO - WHITE TANKS

PHOENIX, AZ · ~18,858 people served

Check your exact address → PHOENIX overview

100

Excellent

PurityRadar safety score

PWSID

AZ0407128

State

Arizona

City

PHOENIX

Population served

18,858

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

Latest detections from EPA’s UCMR5 monitoring (through Apr 2024). Levels in parts per trillion (ppt).

Lithium

64,000 ppt

limit —

No federal limit

PFBA

7 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement May 2024. Official EPA record →

Monitoring & reporting · Arsenic began Jan 2024 Resolved

Monitoring & reporting · Chlorite began Jan 2023 Resolved

Monitoring & reporting · Nitrate began Jan 2022 Resolved

Reporting · Lead & Copper Rule began Oct 2020 Resolved

Monitoring & reporting · Arsenic began Oct 2008 Resolved

Monitoring & reporting · EPA contaminant 0999 began Jul 2007 Resolved

Monitoring & reporting · Nitrate began Jan 2006 Resolved

Monitoring & reporting · Lead & Copper Rule began Oct 2005 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2005 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2005 Resolved

Other · EPA contaminant 7000 began Jul 2003 Resolved

Monitoring & reporting · EPA contaminant 2037 began Jan 2003 Resolved

Recent enforcement actions

State action · SOX May 2024
State action · SIA May 2024
State action · SOX Jul 2023
State action · SIF May 2023
State action · SOX May 2023
State action · SIA May 2023
State action · SIE May 2023
State action · SIE May 2022

This profile is built from EPA public records for system AZ0407128 — 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.