TRABUCO CANYON WATER DISTRICT

TRABUCO CANYON, CA · ~13,659 people served

Check your exact address → TRABUCO CANYON overview

100

Excellent

PurityRadar safety score

PWSID

CA3010094

State

California

City

TRABUCO CANYON

Population served

13,659

Primary source

SWP

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

Latest detections from EPA’s UCMR5 monitoring (through Mar 2024). Levels in parts per trillion (ppt).

Lithium

65,900 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Feb 2011. Official EPA record →

Treatment technique · EPA contaminant 0200 health-based began Jan 1999 Resolved

Monitoring & reporting · Total coliform began Sep 1997 Resolved

Max contaminant level (MCL) · Total coliform health-based began Aug 1997 Resolved

Monitoring & reporting · Total coliform began Nov 1996 Resolved

Recent enforcement actions

State action · SFL Feb 2011
State action · SOX Feb 2011
State action · SFG Jul 2007
State action · SFL Aug 2005
EPA/federal action · EOX Mar 2000
State action · SOX Dec 1997
State action · SOX Jan 1997
State action · SIA Jan 1997

This profile is built from EPA public records for system CA3010094 — 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.