GW SAGUARO DIST WATER CO - LAS QUINTAS

MARICOPA, AZ · ~3,720 people served

Check your exact address → MARICOPA overview

100

Excellent

PurityRadar safety score

PWSID

AZ0410064

State

Arizona

City

MARICOPA

Population served

3,720

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

Lithium

25,000 ppt

limit —

No federal limit

Violations & enforcement

139

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Nov 2023. Official EPA record →

Other · EPA contaminant 7000 began Jul 2002 Unaddressed

Monitoring & reporting · Lead & Copper Rule began Oct 2023 Resolved

Monitoring & reporting · EPA contaminant 0999 began Oct 2022 Resolved

Monitoring & reporting · EPA contaminant 0999 began Jul 2021 Resolved

Reporting · Lead & Copper Rule began Oct 2019 Resolved

Monitoring & reporting · Lead & Copper Rule began Jan 2018 Resolved

Monitoring · Lead & Copper Rule began Nov 2017 Resolved

Monitoring & reporting · Lead & Copper Rule began Oct 2017 Resolved

Monitoring & reporting · EPA contaminant 0999 began Jul 2017 Resolved

Monitoring · Lead & Copper Rule began Nov 2016 Resolved

Monitoring & reporting · EPA contaminant 0999 began Jul 2016 Resolved

Monitoring & reporting · EPA contaminant 0999 began Jan 2016 Resolved

Recent enforcement actions

State action · SIA Nov 2023
State action · SOX Nov 2023
State action · SOX Feb 2023
State action · SIA Feb 2023
State action · SIA Nov 2021
State action · SOX Nov 2021
State action · SIA Apr 2020
State action · SOX Dec 2019

This profile is built from EPA public records for system AZ0410064 — 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.