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Water system · PWSID CA4300521

KENNON WATER COMPANY

SAN JOSE, CA · ~142 people served

Check your exact address → SAN JOSE overview
85
Excellent
PurityRadar safety score

PWSID

CA4300521

State

California

City

SAN JOSE

Population served

142

Primary source

SWP

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 85 Jun 18, 2026 · score 85

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

12

Violations on record

2

Unaddressed

6

Health-based

34

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Apr 2002. Official EPA record →

Reporting · EPA contaminant 5200 began Oct 2024 Unaddressed
Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Unaddressed
Monitoring & reporting · Total coliform began Mar 2002 Resolved
Max contaminant level (MCL) · Total coliform health-based began Mar 2001 Resolved
Monitoring & reporting · Total coliform began Mar 2001 Resolved
Monitoring & reporting · Total coliform began Feb 2001 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 2000 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 1999 Resolved
Max contaminant level (MCL) · Total coliform health-based began Dec 1994 Resolved
Max contaminant level (MCL) · Total coliform health-based began Mar 1994 Resolved
Max contaminant level (MCL) · Total coliform health-based began Feb 1994 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 1993 Resolved

Recent enforcement actions

  • State action · SOX Apr 2002
  • State action · SIA Apr 2002
  • State action · SIF Apr 2002
  • State action · SFL Apr 2002
  • State action · SOX Apr 2001
  • State action · SOX Apr 2001
  • State action · SIA Apr 2001
  • State action · SIE Apr 2001

This profile is built from EPA public records for system CA4300521 — 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.