Home/ Directory/ AZ/ BENSON, CITY OF WATER SYSTEM

Water system · PWSID AZ0402005

BENSON, CITY OF WATER SYSTEM

BENSON, AZ · ~5,355 people served

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

PWSID

AZ0402005

State

Arizona

City

BENSON

Population served

5,355

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

Lithium

20,000 ppt

limit —

No federal limit

Violations & enforcement

190

Violations on record

1

Unaddressed

1

Health-based

49

Enforcement actions

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

Monitoring & reporting · Lead & Copper Rule began Oct 2024 Unaddressed
Other · EPA contaminant 7500 began Oct 2025 Resolved
Other · EPA contaminant 7000 began Oct 2022 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2022 Resolved
Other · EPA contaminant 7000 began Oct 2020 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2019 Resolved
Other · EPA contaminant 7000 began Jul 2011 Resolved
Other · EPA contaminant 7000 began Jul 2010 Resolved
Other · EPA contaminant 7000 began Jul 2009 Resolved
Monitoring & reporting · Barium began Jan 2009 Resolved
Monitoring & reporting · Arsenic began Jan 2009 Resolved
Monitoring & reporting · Cadmium began Jan 2009 Resolved

Recent enforcement actions

  • State action · SIA Nov 2025
  • State action · SOX Nov 2025
  • State action · SIE Oct 2024
  • State action · SIA Oct 2024
  • State action · SOX Oct 2022
  • State action · SOX Feb 2022
  • State action · SOX Feb 2022
  • State action · SIA Feb 2022

This profile is built from EPA public records for system AZ0402005 — 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.