SAN JOAQUIN COUNTY - WILKINSON MANOR

STOCKTON, CA · ~851 people served

Check your exact address → STOCKTON overview

100

Excellent

PurityRadar safety score

PWSID

CA3910024

State

California

City

STOCKTON

Population served

851

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

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2001. Official EPA record →

Max contaminant level (MCL) · Total coliform health-based began Aug 2001 Resolved

Max contaminant level (MCL) · Total coliform health-based began Mar 1995 Resolved

Monitoring & reporting · Lead & Copper Rule began Jul 1993 Resolved

Recent enforcement actions

State action · SOX Aug 2001
State action · SFL Aug 2001
EPA/federal action · EOX Mar 2000
State action · SOX Nov 1997
State action · SFL Jan 1997
State action · SOX Apr 1995
State action · SFJ Mar 1995
State action · SOX Mar 1995

This profile is built from EPA public records for system CA3910024 — 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.