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Water system · PWSID AZ0407026

DESERT HILLS WATER

CAVE CREEK, AZ · ~4,220 people served

Check your exact address → CAVE CREEK overview
100
Excellent
PurityRadar safety score

PWSID

AZ0407026

State

Arizona

City

CAVE CREEK

Population served

4,220

Primary source

SWP

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 Nov 2023). Levels in parts per trillion (ppt).

Lithium

36,000 ppt

limit —

No federal limit

Violations & enforcement

89

Violations on record

0

Unaddressed

11

Health-based

60

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Mar 2020. Official EPA record →

Monitoring & reporting · Haloacetic acids (HAA5) began Sep 2018 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Sep 2018 Resolved
Reporting · Lead & Copper Rule began Jul 2018 Resolved
Monitoring & reporting · Arsenic began Jul 2018 Resolved
Monitoring & reporting · Lead & Copper Rule began Nov 2017 Resolved
Monitoring & reporting · Arsenic began Jul 2017 Resolved
Monitoring & reporting · EPA contaminant 0999 began Apr 2017 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jan 2017 Resolved
Monitoring & reporting · EPA contaminant 0999 began Oct 2016 Resolved
Other · EPA contaminant 7000 began Oct 2016 Resolved
Other · EPA contaminant 7000 began Jul 2016 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jul 2016 Resolved

Recent enforcement actions

  • State action · SOX Mar 2020
  • State action · SIA Feb 2020
  • State action · SOX May 2019
  • State action · SIA Feb 2019
  • State action · SIE Feb 2019
  • State action · SIA Nov 2018
  • State action · SOX Oct 2018
  • State action · SOX Aug 2018

This profile is built from EPA public records for system AZ0407026 — 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.