SAN JOSE, CA · Santa Clara County

SAN JOSE WATER Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace California’s official records. Always confirm current status with California before making decisions based on this information.

System facts

System ID (PWSID): CA4310011
System type: Community Water System
Population served: 1,039,920
Service connections: 237,130
Ownership: privately owned
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
June 1, 2023 – June 30, 2023
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
June 1, 2023 – June 30, 2023	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

August 16, 2023State Compliance achieved1 linked violation
June 13, 2023State Administrative/Compliance Order without penalty issued1 linked violation
July 29, 2020State Compliance achievedgeneral compliance action — not tied to a specific violation on record
April 3, 2020State Administrative/Compliance Order without penalty issuedgeneral compliance action — not tied to a specific violation on record
May 31, 2017State Compliance achieved1 linked violation
May 1, 2017State Administrative/Compliance Order without penalty issued1 linked violation
June 30, 2000State Compliance achieved1 linked violation
October 1, 1997State Violation/Reminder Notice2 linked violations
September 17, 1997State Public Notification received2 linked violations

Contact

DELORENZO, SUZANNE

408-918-7254

SAN JOSE, CA 95128