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Water system · PWSID CA4900791

WESTERN MOBILE HOME PARK

STOCKTON, CA · ~178 people served

Check your exact address → STOCKTON overview
85
Excellent
PurityRadar safety score

PWSID

CA4900791

State

California

City

STOCKTON

Population served

178

Primary source

Groundwater

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 85 Jun 18, 2026 · score 85

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

20

Violations on record

2

Unaddressed

2

Health-based

25

Enforcement actions

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

Reporting · EPA contaminant 5200 began Oct 2024 Unaddressed
Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Unaddressed
Monitoring & reporting · EPA contaminant 2380 began Apr 2014 Resolved
Monitoring & reporting · EPA contaminant 2984 began Apr 2014 Resolved
Max contaminant level (MCL) · EPA contaminant 2984 health-based began Jul 2013 Resolved
Monitoring & reporting · EPA contaminant 2380 began Jan 2013 Resolved
Monitoring & reporting · EPA contaminant 2984 began Jan 2013 Resolved
Other · EPA contaminant 7500 began Aug 2012 Resolved
Monitoring & reporting · Nitrate began Jan 2010 Resolved
Monitoring & reporting · Total coliform began Aug 2009 Resolved
Monitoring & reporting · Nitrate began Jul 2009 Resolved
Monitoring & reporting · Nitrate began Jul 2008 Resolved

Recent enforcement actions

  • State action · SOX Mar 2018
  • State action · SOX Mar 2018
  • State action · SOX Sep 2014
  • State action · SFL Aug 2014
  • State action · SOX Jan 2014
  • State action · SFL Dec 2013
  • State action · SOX Jul 2013
  • State action · SFL Jun 2013

This profile is built from EPA public records for system CA4900791 — 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.