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Water system · PWSID CA3701837

WYNOLA WATER DISTRICT

SAN YSABEL, CA · ~140 people served

Check your exact address → SAN YSABEL overview
100
Excellent
PurityRadar safety score

PWSID

CA3701837

State

California

City

SAN YSABEL

Population served

140

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

9

Violations on record

2

Unaddressed

1

Health-based

14

Enforcement actions

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

Reporting · EPA contaminant 5200 began Jul 2025 Unaddressed
Monitoring & reporting · Lead & Copper Rule began Oct 2020 Unaddressed
Monitoring & reporting · Lead & Copper Rule began Oct 2022 Addressed
Max contaminant level (MCL) · Total coliform health-based began Sep 2010 Resolved
Monitoring & reporting · Total coliform began Feb 2008 Resolved
Monitoring & reporting · Total coliform began May 2005 Resolved
Monitoring & reporting · Total coliform began Mar 2005 Resolved
Monitoring & reporting · Total coliform began Feb 2005 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 1993 Resolved

Recent enforcement actions

  • State action · SFL Aug 2024
  • State action · SFL Jun 2024
  • State action · SFJ Apr 2023
  • State action · SOX Oct 2010
  • State action · SFL Sep 2010
  • State action · SOX Mar 2008
  • State action · SFL Mar 2008
  • EPA/federal action · EOX Sep 2005

This profile is built from EPA public records for system CA3701837 — 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.