U.S.N., SAN NICOLAS ISLAND

POINT MUGU, CA · ~254 people served

Check your exact address → POINT MUGU overview

100

Excellent

PurityRadar safety score

PWSID

CA5610702

State

California

City

POINT MUGU

Population served

254

Primary source

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

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 2013. Official EPA record →

Monitoring & reporting · EPA contaminant 0200 began Dec 2012 Resolved

Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2005 Resolved

Max contaminant level (MCL) · Total coliform health-based began Dec 2003 Resolved

Monitoring & reporting · Total coliform began Jul 2003 Resolved

Monitoring & reporting · Total coliform began Dec 2001 Resolved

Max contaminant level (MCL) · Total coliform health-based began Aug 2000 Resolved

Monitoring & reporting · Total coliform began Apr 2000 Resolved

Monitoring & reporting · Total coliform began Feb 1998 Resolved

Monitoring & reporting · Total coliform began Nov 1997 Resolved

Monitoring & reporting · Total coliform began Dec 1995 Resolved

Treatment technique · EPA contaminant 0200 health-based began Jul 1993 Resolved

Recent enforcement actions

State action · SIA Jan 2013
State action · SOX Jan 2013
State action · SFL Jan 2012
State action · SOX Nov 2011
State action · SFL Jan 2007
State action · SOX Jan 2007
State action · SFJ Feb 2004
State action · SOX Jan 2004

This profile is built from EPA public records for system CA5610702 — 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.