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Water system · PWSID 090400020

Vaya Chin Intertie

Sells, AZ · ~1,151 people served

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

PWSID

090400020

State

Arizona

City

Sells

Population served

1,151

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

Lithium

23,000 ppt

limit —

No federal limit

Violations & enforcement

8

Violations on record

0

Unaddressed

1

Health-based

15

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2015. Official EPA record →

Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2014 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2014 Resolved
Monitoring & reporting · Total coliform began May 2008 Resolved
Monitoring & reporting · Total coliform began Apr 2008 Resolved
Monitoring & reporting · Nitrate began Jan 2004 Resolved
Monitoring & reporting · Gross alpha began Jan 2004 Resolved
Monitoring & reporting · Total coliform began Oct 2003 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 2001 Resolved

Recent enforcement actions

  • EPA/federal action · EOX Aug 2015
  • EPA/federal action · EOX Aug 2015
  • EPA/federal action · EIC Jan 2011
  • EPA/federal action · EOX Aug 2009
  • EPA/federal action · EOX Aug 2009
  • EPA/federal action · EOX Aug 2006
  • EPA/federal action · EOX Aug 2006
  • EPA/federal action · EOX Aug 2005

This profile is built from EPA public records for system 090400020 — 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.