CITY OF MILPITAS

MILPITAS, CA · ~81,773 people served

Check your exact address → MILPITAS overview

100

Excellent

PurityRadar safety score

PWSID

CA4310005

State

California

City

MILPITAS

Population served

81,773

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

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 Mar 2023. Official EPA record →

Monitoring · Lead & Copper Rule began Feb 2023 Resolved

Monitoring & reporting · Total coliform began May 1995 Resolved

Treatment technique · EPA contaminant 0200 health-based began Mar 1992 Resolved

Recent enforcement actions

State action · SOX Mar 2023
State action · SFL Mar 2023
State action · SIA Mar 2001
State action · SOX Jul 2000
State action · SOX Jul 2000
State action · SOX Mar 2000
State action · SFL Apr 1997
State action · SOX Jun 1995

This profile is built from EPA public records for system CA4310005 — 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.