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Water system · PWSID CA3400103

B & W RESORT MARINA

ISLETON, CA · ~100 people served

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

PWSID

CA3400103

State

California

City

ISLETON

Population served

100

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

13

Violations on record

2

Unaddressed

8

Health-based

11

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement May 2024. Official EPA record →

Reporting · EPA contaminant 5200 began Oct 2024 Unaddressed
Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Unaddressed
Monitoring · Lead & Copper Rule began Apr 2024 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2021 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jan 2017 Resolved
Max contaminant level (MCL) · Arsenic health-based began Oct 2016 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jul 2016 Resolved
Max contaminant level (MCL) · Arsenic health-based began Apr 2016 Resolved
Monitoring & reporting · Total coliform began Mar 2016 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jan 2016 Resolved
Max contaminant level (MCL) · Total coliform health-based began May 2015 Resolved
Max contaminant level (MCL) · Total coliform health-based began Dec 1998 Resolved

Recent enforcement actions

  • State action · SOX May 2024
  • State action · SOX Oct 2023
  • State action · SOX Jul 2017
  • State action · SOX Apr 2016
  • State action · SFJ Apr 2016
  • State action · SFL Apr 2016
  • State action · SFL Apr 2016
  • State action · SOX Jul 2015

This profile is built from EPA public records for system CA3400103 — 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.