HAWTHORNE-CITY WATER DEPT.
California — Community Water System — PWSID: CA1910047
System Information
| PWSID | CA1910047 |
| System Name | HAWTHORNE-CITY WATER DEPT. |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 22, 1979 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | California |
| City | SAN JOSE |
| ZIP Code | 95112 |
| Address | 1720 NORTH FIRST STREET |
| Organization | HENRIE, TARRAH |
| Phone | 408-367-8490 |
Population & Service
| Population Served | 44,718 |
| Service Connections | 6,202 |
Drinking Water Violations (7)
This water system has 7 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2019 | Mar 31, 2019 | TTHM | MR | No | No | — | 0.080 mg/L | — | Resolved | Mar 31, 2019 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2019 | Mar 31, 2019 | TTHM | MR | No | No | — | 0.080 mg/L | — | Resolved | Mar 31, 2019 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2019 | Mar 31, 2019 | Total Haloacetic Acids (HAA5) | MR | No | No | — | 0.060 mg/L | — | Resolved | Mar 31, 2019 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| May 1, 1997 | May 31, 1997 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 1997 | Total Coliform Rule |
| May 1, 1997 | May 31, 1997 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 1997 | Total Coliform Rule |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.