HAWTHORNE-CITY WATER DEPT.

SAN JOSE, CA · ~44,718 people served

Check your exact address → SAN JOSE overview

100

Excellent

PurityRadar safety score

PWSID

CA1910047

State

California

City

SAN JOSE

Population served

44,718

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

26,800 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 2020. Official EPA record →

Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2019 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2019 Resolved

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

Recent enforcement actions

State action · SOX Jan 2020
State action · SFL Apr 2019
State action · SOX Jul 1997
State action · SFJ Jul 1997
State action · SOX Oct 1995
State action · SFJ Oct 1995

This profile is built from EPA public records for system CA1910047 — 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.