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Water system · PWSID 090400692

GRIC DPW Wild Horse Pass

Sacaton, AZ · ~22,795 people served

Check your exact address → Sacaton overview
85
Excellent
PurityRadar safety score

PWSID

090400692

State

Arizona

City

Sacaton

Population served

22,795

Primary source

Groundwater

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 85 Jun 18, 2026 · score 85

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

Lithium

121,000 ppt

limit —

No federal limit

Violations & enforcement

54

Violations on record

1

Unaddressed

12

Health-based

72

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Apr 2025. Official EPA record →

Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Unaddressed
Monitoring & reporting · Lead & Copper Rule began Aug 2023 Resolved
Monitoring & reporting · Arsenic began Jan 2023 Resolved
Max contaminant level (MCL) · Lead & Copper Rule health-based began Dec 2018 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 2015 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 2009 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jan 2009 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 2008 Resolved
Monitoring & reporting · Total coliform began Mar 2008 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 2007 Resolved
Monitoring & reporting · Nitrate began Jan 2006 Resolved
Monitoring & reporting · Nitrate began Jan 2005 Resolved

Recent enforcement actions

  • EPA/federal action · EIA Apr 2025
  • EPA/federal action · EIA Apr 2025
  • EPA/federal action · EOX May 2024
  • EPA/federal action · EOX Apr 2023
  • EPA/federal action · EOX Jan 2019
  • EPA/federal action · EOX Aug 2015
  • EPA/federal action · EIF Aug 2015
  • EPA/federal action · EIC Jan 2011

This profile is built from EPA public records for system 090400692 — 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.