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Water system · PWSID CA5410020

WOODLAKE, CITY OF

WOODLAKE, CA · ~7,846 people served

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

PWSID

CA5410020

State

California

City

WOODLAKE

Population served

7,846

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

19

Violations on record

0

Unaddressed

14

Health-based

36

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jun 2021. Official EPA record →

Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2020 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2020 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2019 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2019 Resolved
Monitoring · Lead & Copper Rule began Nov 2016 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 2015 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 2014 Resolved
Max contaminant level (MCL) · Total coliform health-based began May 2014 Resolved
Max contaminant level (MCL) · Total coliform health-based began Mar 2014 Resolved
Max contaminant level (MCL) · Total coliform health-based began Nov 2011 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 2011 Resolved
Max contaminant level (MCL) · Total coliform health-based began Nov 2010 Resolved

Recent enforcement actions

  • State action · SOX Jun 2021
  • State action · SFL Jan 2021
  • State action · SFL Nov 2019
  • State action · SOX Jan 2017
  • State action · SIA Dec 2016
  • State action · SOX Mar 2016
  • State action · SFL Oct 2015
  • State action · SFL Jan 2015

This profile is built from EPA public records for system CA5410020 — 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.