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Water system · PWSID AZ0411322

MARICOPA MOUNTAIN DWID 2

MARICOPA, AZ · ~120 people served

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

PWSID

AZ0411322

State

Arizona

City

MARICOPA

Population served

120

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

127

Violations on record

0

Unaddressed

0

Health-based

87

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Oct 2021. Official EPA record →

Other · EPA contaminant 7000 began Oct 2021 Resolved
Monitoring & reporting · Total coliform began Feb 2016 Resolved
Other · EPA contaminant 7000 began Oct 2015 Resolved
Other · EPA contaminant 7000 began Jul 2015 Resolved
Monitoring & reporting · Total coliform began Mar 2015 Resolved
Other · EPA contaminant 7000 began Oct 2013 Resolved
Other · EPA contaminant 7000 began Jul 2013 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jul 2013 Resolved
Other · EPA contaminant 7000 began Oct 2012 Resolved
Other · EPA contaminant 7000 began Jul 2012 Resolved
Monitoring & reporting · EPA contaminant 0999 began Apr 2012 Resolved
Monitoring & reporting · Total coliform began Nov 2011 Resolved

Recent enforcement actions

  • State action · SIA Oct 2021
  • State action · SOX Oct 2021
  • State action · SOX May 2016
  • State action · SOX May 2016
  • State action · SOX Apr 2016
  • State action · SIA Mar 2016
  • State action · SIA Feb 2016
  • State action · SIA Feb 2016

This profile is built from EPA public records for system AZ0411322 — 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.