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Water system · PWSID CA5110001

CITY OF LIVE OAK

LIVE OAK, CA · ~9,285 people served

Check your exact address → LIVE OAK overview
100
Excellent
PurityRadar safety score

PWSID

CA5110001

State

California

City

LIVE OAK

Population served

9,285

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

PFPeA

3.4 ppt

limit —

No federal limit

PFHxA

3 ppt

limit —

No federal limit

Violations & enforcement

18

Violations on record

0

Unaddressed

12

Health-based

12

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Feb 2019. Official EPA record →

Monitoring & reporting · Total trihalomethanes (TTHM) began Aug 2017 Resolved
Max contaminant level (MCL) · Arsenic health-based began Oct 2008 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jul 2008 Resolved
Max contaminant level (MCL) · Arsenic health-based began Apr 2008 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jan 2008 Resolved
Max contaminant level (MCL) · Arsenic health-based began Oct 2007 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jul 2007 Resolved
Max contaminant level (MCL) · Arsenic health-based began Apr 2007 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jan 2007 Resolved
Monitoring & reporting · Nitrate began Jan 2007 Resolved
Max contaminant level (MCL) · Arsenic health-based began Oct 2006 Resolved
Monitoring & reporting · Total coliform began Sep 2006 Resolved

Recent enforcement actions

  • State action · SOX Feb 2019
  • State action · SFJ Apr 2018
  • State action · SOX Feb 2018
  • State action · SOX Dec 2008
  • State action · SIA Feb 2008
  • State action · SOX Oct 2006
  • State action · SIA Oct 2006
  • State action · SIA Oct 2002

This profile is built from EPA public records for system CA5110001 — 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.