SAN JUAN BAUTISTA, CITY OF
California — Community Water System — PWSID: CA3510002
System Information
| PWSID | CA3510002 |
| System Name | SAN JUAN BAUTISTA, CITY OF |
| 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 | SAN JUAN BAUTISTA |
| ZIP Code | 95045 |
| Address | PO Box 1420 |
| Organization | COLLICK, ASHLEY |
| Phone | 831-623-4661 |
Population & Service
| Population Served | 2,335 |
| Service Connections | 834 |
Drinking Water Violations (18)
This water system has 18 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 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | RPT | No | No | — | — | — | Unaddressed | — | Lead and Copper Rule Revisions |
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | TT | Yes | No | — | — | — | Unaddressed | — | Lead and Copper Rule Revisions |
| Oct 1, 2017 | Dec 31, 2017 | Nitrate-Nitrite | MCL | Yes | No | 12 MG/L | — | 10 | Resolved | Dec 31, 2017 | Nitrate Rule |
| Oct 1, 2017 | Dec 31, 2017 | Other | No | No | — | — | — | Resolved | Dec 31, 2017 | Miscellaneous Other Rules | |
| Oct 1, 2017 | Dec 31, 2017 | Other | No | No | — | — | — | Resolved | Dec 31, 2017 | Miscellaneous Other Rules | |
| Oct 1, 2017 | Dec 31, 2017 | Nitrate-Nitrite | MCL | Yes | No | 12 MG/L | — | 10 | Resolved | Dec 31, 2017 | Nitrate Rule |
| Jul 1, 2017 | Sep 30, 2017 | Other | No | No | — | — | — | Resolved | Sep 30, 2017 | Miscellaneous Other Rules | |
| Jul 1, 2017 | Sep 30, 2017 | Other | No | No | — | — | — | Resolved | Sep 30, 2017 | Miscellaneous Other Rules | |
| Jul 1, 2017 | Sep 30, 2017 | Nitrate-Nitrite | MCL | Yes | No | 14 MG/L | — | 10 | Resolved | Sep 30, 2017 | Nitrate Rule |
| Jul 1, 2017 | Sep 30, 2017 | Nitrate-Nitrite | MCL | Yes | No | 14 MG/L | — | 10 | Resolved | Sep 30, 2017 | Nitrate Rule |
| Apr 1, 2017 | Jun 30, 2017 | Nitrate-Nitrite | MCL | Yes | No | 12 MG/L | — | 10 | Resolved | Jun 30, 2017 | Nitrate Rule |
| Apr 1, 2017 | Jun 30, 2017 | Nitrate-Nitrite | MCL | Yes | No | 12 MG/L | — | 10 | Resolved | Jun 30, 2017 | Nitrate Rule |
| Apr 1, 2014 | Jun 30, 2014 | Nitrate | MCL | Yes | No | 94 UG/L | 10 mg/L | 45 | Resolved | Jun 30, 2014 | Nitrate Rule |
| Apr 1, 2014 | Jun 30, 2014 | Nitrate | MCL | Yes | No | 94 UG/L | 10 mg/L | 45 | Resolved | Jun 30, 2014 | Nitrate Rule |
| Apr 1, 2014 | Jun 30, 2014 | Nitrate | MCL | Yes | No | 94 UG/L | 10 mg/L | 45 | Resolved | Jun 30, 2014 | Nitrate Rule |
| Jun 25, 2002 | Aug 13, 2002 | Nitrate | MCL | Yes | No | 63 MG/L | 10 mg/L | 45 | Resolved | Aug 13, 2002 | Nitrate Rule |
| Sep 1, 1999 | Sep 30, 1999 | Nitrate | MCL | Yes | No | 46 MG/L | 10 mg/L | 45 | Resolved | Sep 30, 1999 | Nitrate Rule |
| Sep 1, 1999 | Sep 30, 1999 | Nitrate | MCL | Yes | No | 46 MG/L | 10 mg/L | 45 | Resolved | Sep 30, 1999 | 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.