CITY OF VALLEJO
California — Community Water System — PWSID: CA4810007
System Information
| PWSID | CA4810007 |
| System Name | CITY OF VALLEJO |
| System Type | Community Water System |
| Water Source | Surface 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 | VALLEJO |
| ZIP Code | 94589-2337 |
| Address | 202 FLEMING HILL RD |
| Organization | SCHOENBERGER, BETH |
| Phone | 707-648-5439 |
Population & Service
| Population Served | 121,420 |
| Service Connections | 36,795 |
Drinking Water Violations (11)
This water system has 11 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, 1993 | Jun 30, 1993 | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Jun 30, 1993 | Surface Water Treatment Rule |
| Jun 1, 1993 | Jun 30, 1993 | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Jun 30, 1993 | Surface Water Treatment Rule |
| Jun 1, 1993 | Jun 30, 1993 | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Jun 30, 1993 | Surface Water Treatment Rule |
| Jun 1, 1993 | Jun 30, 1993 | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Jun 30, 1993 | Surface Water Treatment Rule |
| Jun 1, 1993 | Jun 30, 1993 | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Jun 30, 1993 | Surface Water Treatment Rule |
| May 1, 1993 | May 31, 1993 | Surface Water Treatment Rule | MR | No | No | — | — | — | Resolved | May 1, 1993 | Surface Water Treatment Rule |
| Oct 1, 1991 | Dec 31, 1991 | TTHM | MCL | Yes | No | .114 MG/L | 0.080 mg/L | .1 | Resolved | Dec 31, 1991 | Former Total Trihalomethane Rule |
| Jul 1, 1990 | Sep 30, 1990 | TTHM | MCL | Yes | No | .11 MG/L | 0.080 mg/L | .1 | Resolved | Sep 30, 1990 | Former Total Trihalomethane Rule |
| Jul 1, 1990 | Sep 30, 1990 | TTHM | MCL | Yes | No | .11 MG/L | 0.080 mg/L | .1 | Resolved | Sep 30, 1990 | Former Total Trihalomethane Rule |
| Feb 1, 1983 | Feb 28, 1983 | Other | No | No | — | — | — | Archived | Feb 28, 1983 | Miscellaneous Other Rules | |
| — | — | — | 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.