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Water system · PWSID CA3500509

TRES PINOS CWD

TRES PINOS, CA · ~350 people served

Check your exact address → TRES PINOS overview
100
Excellent
PurityRadar safety score

PWSID

CA3500509

State

California

City

TRES PINOS

Population served

350

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

12

Violations on record

0

Unaddressed

5

Health-based

29

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2007. Official EPA record →

Monitoring & reporting · EPA contaminant 0999 began Apr 2007 Resolved
Monitoring & reporting · Total coliform began Aug 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
Monitoring & reporting · Nitrate began Jan 2001 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 1996 Resolved
Max contaminant level (MCL) · Total coliform health-based began Mar 1996 Resolved
Max contaminant level (MCL) · Total coliform health-based began Feb 1996 Resolved
Max contaminant level (MCL) · Total coliform health-based began Apr 1995 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jun 1994 Resolved

Recent enforcement actions

  • State action · SOX Aug 2007
  • State action · SIA Aug 2007
  • State action · SOX Oct 2005
  • State action · SOX Oct 2005
  • State action · SOX Sep 2005
  • State action · SIA Sep 2005
  • State action · SOX Nov 2003
  • State action · SIA Feb 2002

This profile is built from EPA public records for system CA3500509 — 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.