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Water system · PWSID AZ0402001

ARIZONA WATER CO - BISBEE

PHOENIX, AZ · ~8,707 people served

Check your exact address → PHOENIX overview
67
Fair
PurityRadar safety score

PWSID

AZ0402001

State

Arizona

City

PHOENIX

Population served

8,707

Primary source

Groundwater

Score history

▼ 33 points — the score moved from 100 to 67 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 67

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 Jul 2025). Levels in parts per trillion (ppt).

PFOA

Perfluorooctanoic acid

9.7 ppt

limit 4 ppt

Above EPA limit · 2.4×

Lithium

17,000 ppt

limit —

No federal limit

PFPeA

17 ppt

limit —

No federal limit

PFBS

10 ppt

limit —

No federal limit

PFHxA

10 ppt

limit —

No federal limit

PFBA

6.6 ppt

limit —

No federal limit

Violations & enforcement

17

Violations on record

0

Unaddressed

2

Health-based

25

Enforcement actions

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

Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Resolved
Reporting · EPA contaminant 5200 began Oct 2024 Resolved
Monitoring & reporting · EPA contaminant 3014 began Oct 2022 Resolved
Monitoring & reporting · EPA contaminant 0999 began Oct 2015 Resolved
Monitoring & reporting · Total coliform began Jan 2011 Resolved
Monitoring & reporting · Total coliform began Oct 2010 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jul 2007 Resolved
Other · EPA contaminant 7000 began Jul 2004 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jun 2004 Resolved
Other · EPA contaminant 7000 began Jul 2003 Resolved
Other · EPA contaminant 7000 began Jul 2002 Resolved
Monitoring & reporting · Total coliform began Mar 2000 Resolved

Recent enforcement actions

  • State action · SIF Dec 2024
  • State action · SIF Dec 2024
  • State action · SIE Nov 2024
  • State action · SIA Nov 2024
  • State action · SIA Nov 2024
  • State action · SIE Nov 2024
  • State action · SOX Oct 2024
  • State action · SOX Dec 2022

Area water-quality monitoring

Environmental monitoring (rivers, wells, intakes) recorded in this system’s service area in the EPA/USGS Water Quality Portal since 2018 — source/ambient water, not finished tap water. Context for the watershed, not a reading from your tap.

ContaminantMedian · max · samples

Copper

4 stations · latest Mar 2020

0.063 · max 4 mg/L · 24

Source: Water Quality Portal (EPA/USGS/state agencies). Values are as-reported and aren’t health thresholds.

This profile is built from EPA public records for system AZ0402001 — 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.