NASA AMES RESEARCH CENTER

MOFFETT FIELD, CA · ~16,273 people served

Check your exact address → MOFFETT FIELD overview

100

Excellent

PurityRadar safety score

PWSID

CA4300997

State

California

City

MOFFETT FIELD

Population served

16,273

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 Aug 2016. Official EPA record →

Treatment technique · EPA contaminant 0200 health-based began Mar 2015 Resolved

Monitoring & reporting · Total coliform began Oct 2013 Resolved

Recent enforcement actions

State action · SOX Aug 2016
State action · SFL Apr 2015
State action · SOX Nov 2013
State action · SFL Nov 2013

This profile is built from EPA public records for system CA4300997 — 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.