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Water system · PWSID CA4900913

ROBIN WAY WATER SYSTEM

FAIRFIELD, CA · ~66 people served

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

PWSID

CA4900913

State

California

City

FAIRFIELD

Population served

66

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

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

13

Violations on record

0

Unaddressed

0

Health-based

16

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Mar 2018. Official EPA record →

Monitoring & reporting · Nitrate began Jan 2013 Resolved
Other · EPA contaminant 7500 began Aug 2012 Resolved
Monitoring & reporting · Nitrate began Jan 2012 Resolved
Monitoring & reporting · Total coliform began Sep 2006 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2006 Resolved
Monitoring & reporting · Nitrate began Jan 2006 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2006 Resolved
Monitoring & reporting · Total coliform began Feb 2004 Resolved
Monitoring & reporting · Lead & Copper Rule began Jun 2000 Resolved
Monitoring & reporting · Arsenic began Dec 1999 Resolved
Monitoring & reporting · Nitrite began Dec 1999 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 1993 Resolved

Recent enforcement actions

  • State action · SOX Mar 2018
  • State action · SOX Sep 2013
  • State action · SFM Jun 2013
  • State action · SFL Sep 2012
  • State action · SOX Sep 2012
  • State action · SFL Aug 2012
  • State action · SFL Jul 2008
  • State action · SFL Jun 2007

This profile is built from EPA public records for system CA4900913 — 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.