GW OCOTILLO WATER - CATALINA

MARICOPA, AZ · ~1,168 people served

Check your exact address → MARICOPA overview

100

Excellent

PurityRadar safety score

PWSID

AZ0410171

State

Arizona

City

MARICOPA

Population served

1,168

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

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Sep 2008. Official EPA record →

Other · EPA contaminant 7000 began Jul 2008 Resolved

Monitoring & reporting · Lead & Copper Rule began Oct 2006 Resolved

Other · EPA contaminant 7000 began Jul 2006 Resolved

Monitoring & reporting · Total coliform began Feb 2006 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2006 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2006 Resolved

Other · EPA contaminant 7000 began Jul 2005 Resolved

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

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

Monitoring & reporting · EPA contaminant 0999 began Oct 2004 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2004 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2004 Resolved

Recent enforcement actions

State action · SOX Sep 2008
State action · SOX Jul 2008
State action · SOX Apr 2008
State action · SOX Oct 2007
State action · SOX Jul 2006
State action · SOX Dec 2005
State action · SOX Apr 2005
State action · SOX Sep 2004

This profile is built from EPA public records for system AZ0410171 — 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.