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Water system · PWSID CA5110002

CITY OF YUBA CITY

YUBA CITY, CA · ~70,256 people served

Check your exact address → YUBA CITY overview
100
Excellent
PurityRadar safety score

PWSID

CA5110002

State

California

City

YUBA CITY

Population served

70,256

Primary source

Surface water

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

19

Violations on record

0

Unaddressed

17

Health-based

14

Enforcement actions

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

Treatment technique · Bromate health-based began Jan 2007 Resolved
Treatment technique · Bromate health-based began Oct 2006 Resolved
Treatment technique · Bromate health-based began Jul 2006 Resolved
Treatment technique · Bromate health-based began Apr 2006 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Apr 2006 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Apr 2006 Resolved
Treatment technique · Bromate health-based began Jan 2006 Resolved
Treatment technique · Bromate health-based began Oct 2005 Resolved
Treatment technique · Bromate health-based began Jul 2005 Resolved
Treatment technique · Bromate health-based began Apr 2005 Resolved
Max contaminant level (MCL) · Total coliform health-based began Feb 2005 Resolved
Treatment technique · Bromate health-based began Jan 2005 Resolved

Recent enforcement actions

  • State action · SOX Feb 2018
  • State action · SIA Apr 2007
  • State action · SIA Jan 2007
  • State action · SIE Jul 2006
  • State action · SIA Apr 2005
  • State action · SOX Mar 2005
  • State action · SIA Mar 2005
  • State action · SIA Oct 1997

This profile is built from EPA public records for system CA5110002 — 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.