CHINO, CITY OF
California — Community Water System — PWSID: CA3610012
System Information
| PWSID | CA3610012 |
| System Name | CHINO, CITY OF |
| 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 | Mar 20, 2026 |
Location & Contact
| State | California |
| City | CHINO |
| ZIP Code | 91708 |
| Address | P.O. Box 667 |
| Organization | VICARIO III, PETE |
| Phone | 909-334-3444 |
Population & Service
| Population Served | 86,435 |
| Service Connections | 23,373 |
Drinking Water Violations (44)
This water system has 44 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2021 | — | MR | No | No | — | TT | — | Resolved | Sep 3, 2022 | — | |
| Oct 1, 2021 | — | MR | No | No | — | TT | — | Resolved | Sep 3, 2022 | — | |
| Jul 1, 2014 | — | MR | No | No | — | — | — | Resolved | Aug 14, 2014 | — | |
| Jul 1, 2014 | — | MR | No | No | — | — | — | Resolved | Aug 14, 2014 | — | |
| Jun 1, 2014 | — | MR | No | No | — | TT | — | Resolved | Jan 26, 2018 | — | |
| Jun 1, 2014 | — | MR | No | No | — | — | — | Resolved | Aug 14, 2014 | — | |
| Jun 1, 2014 | — | MR | No | No | — | — | — | Resolved | Aug 14, 2014 | — | |
| Jun 1, 2014 | — | MR | No | No | — | TT | — | Resolved | Jan 26, 2018 | — | |
| Oct 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Sep 1, 2011 | — | |
| Oct 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Sep 1, 2011 | — | |
| Jan 1, 2005 | — | MR | No | No | — | TT | — | Resolved | Sep 26, 2008 | — | |
| Jan 1, 2005 | — | MR | No | No | — | TT | — | Resolved | Sep 26, 2008 | — | |
| Oct 1, 2003 | — | MR | No | No | — | TT | — | Resolved | Mar 1, 2018 | — | |
| Oct 1, 2003 | — | MR | No | No | — | TT | — | Resolved | Mar 1, 2018 | — | |
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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.