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Water system · PWSID CA4310020

CITY OF SAN JOSE - EVG/EDV/COY

SAN JOSE, CA · ~101,265 people served

Check your exact address → SAN JOSE overview
100
Excellent
PurityRadar safety score

PWSID

CA4310020

State

California

City

SAN JOSE

Population served

101,265

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 Sep 2023). Levels in parts per trillion (ppt).

Lithium

11,000 ppt

limit —

No federal limit

Violations & enforcement

3

Violations on record

0

Unaddressed

3

Health-based

6

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jun 2012. Official EPA record →

Max contaminant level (MCL) · Total coliform health-based began May 2012 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 2010 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 1994 Resolved

Recent enforcement actions

  • State action · SOX Jun 2012
  • State action · SFL Jun 2012
  • State action · SOX Dec 2010
  • State action · SOX Aug 1994
  • State action · SIA Aug 1994
  • EPA/federal action · EFJ May 1993

This profile is built from EPA public records for system CA4310020 — 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.