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Water system · PWSID CA0510002

CALAVERAS PUD

SAN ANDREAS, CA · ~6,286 people served

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

PWSID

CA0510002

State

California

City

SAN ANDREAS

Population served

6,286

Primary source

Surface water

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

8

Violations on record

0

Unaddressed

1

Health-based

17

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Oct 2016. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Oct 2013 Resolved
Monitoring & reporting · Total coliform began Apr 2007 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jan 2005 Resolved
Monitoring & reporting · EPA contaminant 0999 began Oct 2004 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jul 2004 Resolved
Monitoring & reporting · EPA contaminant 0999 began Apr 2004 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jan 2004 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 1992 Resolved

Recent enforcement actions

  • State action · SOX Oct 2016
  • State action · SFL Apr 2014
  • State action · SOX May 2008
  • State action · SFL May 2007
  • State action · SOX Jun 2005
  • State action · SOX Jun 2005
  • State action · SOX Jun 2005
  • State action · SOX Jun 2005

This profile is built from EPA public records for system CA0510002 — 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.