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Water system · PWSID AZ0401011

OLD CONCHO WATER USERS

CONCHO, AZ · ~40 people served

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

PWSID

AZ0401011

State

Arizona

City

CONCHO

Population served

40

Primary source

GWP

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

Lithium

13,000 ppt

limit —

No federal limit

Violations & enforcement

162

Violations on record

1

Unaddressed

8

Health-based

267

Enforcement actions

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

Monitoring & reporting · Lead & Copper Rule began Jan 2023 Unaddressed
Monitoring · Lead & Copper Rule began Nov 2025 Resolved
Monitoring · Lead & Copper Rule began Jul 2025 Resolved
Other · EPA contaminant 7000 began Jul 2025 Resolved
Monitoring & reporting · EPA contaminant 0999 began Apr 2025 Resolved
Monitoring & reporting · EPA contaminant 0999 began Feb 2025 Resolved
Monitoring · Lead & Copper Rule began Jan 2025 Resolved
Monitoring & reporting · EPA contaminant 0999 began Dec 2024 Resolved
Monitoring · Lead & Copper Rule began Dec 2024 Resolved
Other · EPA contaminant 7000 began Oct 2024 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2024 Resolved
Monitoring & reporting · EPA contaminant 0999 began Sep 2024 Resolved

Recent enforcement actions

  • State action · SOX Dec 2025
  • State action · SOX Nov 2025
  • State action · SOX Oct 2025
  • State action · SIA Oct 2025
  • State action · SOX Aug 2025
  • State action · SIA Aug 2025
  • State action · SOX Aug 2025
  • State action · SIE Aug 2025

This profile is built from EPA public records for system AZ0401011 — 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.