SAN JOSE, CA · Los Angeles County
CALIFORNIA WATER SERVICE CO. - DOMINGUEZ 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)
- CA1910033
- System type
- Community Water System
- Population served
- 143,996
- Service connections
- 33,150
- Ownership
- privately owned
- Water source
- surface water (rivers, lakes, or reservoirs)
Violation history
Monitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
April 1, 2018 – June 30, 2018
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2018 – March 31, 2018
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| April 1, 2018 – June 30, 2018 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2018 – March 31, 2018 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- January 10, 2020State Compliance achieved4 linked violations
- August 23, 2018State Formal Notice of Violation issued4 linked violations
- March 7, 2002State Formal Notice of Violation issued2 linked violations
- December 20, 1995State Compliance achieved1 linked violation
- September 30, 1993State Compliance achieved1 linked violation
Contact
HENRIE, TARRAH
408-367-8490
SAN JOSE, CA 95112