Home/ Directory/ AZ/ ORO VALLEY WATER UTILITY

Water system · PWSID AZ0410164

ORO VALLEY WATER UTILITY

ORO VALLEY, AZ · ~42,316 people served

Check your exact address → ORO VALLEY overview
100
Excellent
PurityRadar safety score

PWSID

AZ0410164

State

Arizona

City

ORO VALLEY

Population served

42,316

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 Aug 2024). Levels in parts per trillion (ppt).

Lithium

9,560 ppt

limit —

No federal limit

Violations & enforcement

1,804

Violations on record

0

Unaddressed

8

Health-based

154

Enforcement actions

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

Monitoring & reporting · EPA contaminant 2033 began Jan 2019 Resolved
Monitoring & reporting · EPA contaminant 2037 began Jan 2019 Resolved
Monitoring & reporting · EPA contaminant 2015 began Jan 2019 Resolved
Monitoring & reporting · EPA contaminant 2032 began Jan 2019 Resolved
Monitoring & reporting · EPA contaminant 2035 began Jan 2019 Resolved
Monitoring & reporting · EPA contaminant 2036 began Jan 2019 Resolved
Monitoring & reporting · EPA contaminant 2005 began Jan 2019 Resolved
Monitoring & reporting · EPA contaminant 2010 began Jan 2019 Resolved
Monitoring & reporting · EPA contaminant 2020 began Jan 2019 Resolved
Monitoring & reporting · EPA contaminant 2031 began Jan 2019 Resolved
Monitoring & reporting · EPA contaminant 2034 began Jan 2019 Resolved
Monitoring & reporting · EPA contaminant 2039 began Jan 2019 Resolved

Recent enforcement actions

  • State action · SIA Feb 2022
  • State action · SO0 Jun 2019
  • State action · SOX Mar 2019
  • State action · SIA Feb 2019
  • State action · SOX Feb 2018
  • State action · SIA Jan 2018
  • State action · SIA Jan 2018
  • State action · SIF Dec 2016

This profile is built from EPA public records for system AZ0410164 — 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.