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Water system · PWSID AZ0413106

COTTONWOOD MUNICIPAL WATER VV6

COTTONWOOD, AZ · ~4,509 people served

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

PWSID

AZ0413106

State

Arizona

City

COTTONWOOD

Population served

4,509

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

Lithium

23,000 ppt

limit —

No federal limit

Violations & enforcement

504

Violations on record

0

Unaddressed

40

Health-based

149

Enforcement actions

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

Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2024 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2024 Resolved
Monitoring & reporting · Nitrate began Jan 2024 Resolved
Monitoring & reporting · EPA contaminant 0999 began Apr 2021 Resolved
Monitoring & reporting · Arsenic began Jan 2020 Resolved
Monitoring & reporting · Nitrate began Jan 2020 Resolved
Max contaminant level (MCL) · Arsenic health-based began Oct 2019 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jul 2019 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Oct 2018 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Oct 2018 Resolved
Max contaminant level (MCL) · Arsenic health-based began Oct 2018 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jul 2018 Resolved

Recent enforcement actions

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

This profile is built from EPA public records for system AZ0413106 — 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.