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Water system · PWSID CA3701341

QUIET OAKS MOBILE HOME PARK

STOCKTON, CA · ~120 people served

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

PWSID

CA3701341

State

California

City

STOCKTON

Population served

120

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

87

Violations on record

0

Unaddressed

59

Health-based

80

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement May 2025. Official EPA record →

Max contaminant level (MCL) · Nitrate health-based began Jan 2025 Resolved
Max contaminant level (MCL) · Nitrate health-based began Oct 2024 Resolved
Max contaminant level (MCL) · Nitrate health-based began Jul 2024 Resolved
Max contaminant level (MCL) · Nitrate health-based began Apr 2024 Resolved
Max contaminant level (MCL) · Nitrate health-based began Jan 2024 Resolved
Max contaminant level (MCL) · Nitrate health-based began Oct 2023 Resolved
Max contaminant level (MCL) · Nitrate health-based began Jul 2023 Resolved
Max contaminant level (MCL) · Nitrate health-based began Apr 2023 Resolved
Max contaminant level (MCL) · Nitrate health-based began Jan 2023 Resolved
Max contaminant level (MCL) · Nitrate health-based began Jul 2022 Resolved
Max contaminant level (MCL) · Nitrate health-based began Apr 2022 Resolved
Max contaminant level (MCL) · Nitrate health-based began Jan 2022 Resolved

Recent enforcement actions

  • State action · SOX May 2025
  • State action · SFL Nov 2018
  • State action · SFL Nov 2018
  • State action · SFL Jul 2018
  • State action · SFL Jul 2018
  • State action · SFL Jun 2017
  • State action · SFL Feb 2015
  • State action · SFL Jan 2015

This profile is built from EPA public records for system CA3701341 — 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.