Home/ Directory/ CA/ CAL-WATER SERVICE CO.-OROVILLE

Water system · PWSID CA0410005

CAL-WATER SERVICE CO.-OROVILLE

SAN JOSE, CA · ~11,106 people served

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

PWSID

CA0410005

State

California

City

SAN JOSE

Population served

11,106

Primary source

Surface water

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 Apr 2025). Levels in parts per trillion (ppt).

Lithium

81,300 ppt

limit —

No federal limit

PFBA

5.7 ppt

limit —

No federal limit

Violations & enforcement

2

Violations on record

0

Unaddressed

1

Health-based

3

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Mar 2022. Official EPA record →

Monitoring · Lead & Copper Rule began Jan 2022 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jun 1996 Resolved

Recent enforcement actions

  • State action · SFJ Mar 2022
  • State action · SOX Mar 2022
  • State action · SOX Aug 1996

This profile is built from EPA public records for system CA0410005 — 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.