CITY OF GILROY
California — Community Water System — PWSID: CA4310004
System Information
| PWSID | CA4310004 |
| System Name | CITY OF GILROY |
| System Type | Community Water System |
| Water Source | Ground Water |
| 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 | GILROY |
| ZIP Code | 95020 |
| Address | 613 Old Gilroy Street |
| Organization | CASTRO, JEFF |
| Phone | 408-846-0223 |
Population & Service
| Population Served | 59,203 |
| Service Connections | 15,701 |
Drinking Water Violations (2)
This water system has 2 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 1, 2022 | Jun 30, 2022 | Nitrate | MCL | Yes | No | 12 MG/L | 10 mg/L | 10 | Resolved | Jun 30, 2022 | Nitrate Rule |
| Jun 1, 2022 | Jun 30, 2022 | Nitrate | MCL | Yes | No | 12 MG/L | 10 mg/L | 10 | Resolved | Jun 30, 2022 | Nitrate Rule |
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.