JOSHUA VALLEY UTILITY COMPANY
California - Community Water System - PWSID: AZ0408017
System Information
| PWSID | AZ0408017 |
| System Name | JOSHUA VALLEY UTILITY COMPANY |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Oct 5, 1979 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | California |
| City | SAN FRANCISCO |
| ZIP Code | 94129 |
| Address | ATTN: CHRISTOPHER SCHILLING |
| Organization | COMMUNITY WATER OF AMERICA INC. |
| Phone | 562-396-3101 |
Population & Service
| Population Served | 1,500 |
| Service Connections | 1,054 |
Drinking Water Violations (230)
This water system has 230 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2025 | Jul 31, 2025 | MON | No | No | - | - | - | Resolved | Jul 31, 2025 | - | |
| Jul 1, 2025 | Jul 31, 2025 | MON | No | No | - | - | - | Resolved | Jul 31, 2025 | - | |
| May 1, 2024 | - | RPT | No | No | - | - | - | Resolved | Jun 27, 2024 | - | |
| May 1, 2024 | - | RPT | No | No | - | - | - | Resolved | Jun 27, 2024 | - | |
| Mar 1, 2024 | - | RPT | No | No | - | - | - | Resolved | Apr 11, 2024 | - | |
| Mar 1, 2024 | - | RPT | No | No | - | - | - | Resolved | Apr 11, 2024 | - | |
| Jun 1, 2023 | Jun 30, 2023 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2023 | - | |
| Jun 1, 2023 | Jun 30, 2023 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2023 | - | |
| Oct 1, 2022 | - | RPT | No | No | - | - | - | Resolved | Dec 7, 2022 | - | |
| Oct 1, 2022 | - | RPT | No | No | - | - | - | Resolved | Dec 7, 2022 | - | |
| Sep 1, 2022 | - | RPT | No | No | - | - | - | Resolved | Oct 28, 2022 | - | |
| Sep 1, 2022 | - | RPT | No | No | - | - | - | Resolved | Oct 28, 2022 | - | |
| Jul 1, 2020 | - | RPT | No | No | - | - | - | Resolved | Sep 3, 2020 | - | |
| Jul 1, 2020 | - | RPT | No | No | - | - | - | Resolved | Sep 3, 2020 | - | |
| Mar 1, 2019 | - | RPT | No | No | - | - | - | Resolved | Apr 12, 2019 | - | |
| Mar 1, 2019 | - | RPT | No | No | - | - | - | Resolved | Apr 12, 2019 | - | |
| Oct 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Oct 30, 2018 | - | |
| Oct 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Oct 30, 2018 | - | |
| Aug 1, 2018 | - | RPT | No | No | - | - | - | Resolved | Sep 18, 2018 | - | |
| Jan 1, 2018 | - | RPT | No | No | - | - | - | Resolved | Feb 14, 2018 | - | |
| Oct 1, 2017 | - | Other | No | No | - | - | - | Resolved | Oct 10, 2017 | - | |
| Oct 1, 2017 | - | Other | No | No | - | - | - | Resolved | Oct 10, 2017 | - | |
| Sep 1, 2017 | - | RPT | No | No | - | - | - | Resolved | Oct 12, 2017 | - | |
| Jul 1, 2017 | - | Other | No | No | - | - | - | Resolved | Oct 10, 2017 | - | |
| Jul 1, 2017 | - | Other | No | No | - | - | - | Resolved | Oct 10, 2017 | - | |
| Jul 1, 2017 | - | Other | No | No | - | - | - | Resolved | Oct 10, 2017 | - | |
| Jun 1, 2017 | - | RPT | No | No | - | - | - | Resolved | Jul 17, 2017 | - | |
| Nov 1, 2016 | Nov 30, 2016 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2016 | - | |
| Nov 1, 2016 | Nov 30, 2016 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2016 | - | |
| Oct 1, 2016 | Oct 31, 2016 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2016 | - | |
| Oct 1, 2016 | Oct 31, 2016 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2016 | - | |
| Oct 1, 2016 | Oct 31, 2016 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2016 | - | |
| Mar 1, 2016 | Mar 31, 2016 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2016 | - | |
| Mar 1, 2016 | Mar 31, 2016 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2016 | - | |
| Feb 1, 2016 | Feb 29, 2016 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 2016 | - | |
| Feb 1, 2016 | Feb 29, 2016 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 2016 | - | |
| Nov 1, 2015 | Nov 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2015 | - | |
| Nov 1, 2015 | Nov 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2015 | - | |
| Oct 1, 2015 | - | MR | No | No | - | TT | - | Resolved | Nov 30, 2015 | - | |
| Oct 1, 2015 | - | MR | No | No | - | TT | - | Resolved | Nov 30, 2015 | - | |
| Oct 1, 2015 | - | Other | No | No | - | - | - | Resolved | Mar 23, 2016 | - | |
| Oct 1, 2015 | - | Other | No | No | - | - | - | Resolved | Mar 23, 2016 | - | |
| Jul 1, 2015 | - | Other | No | No | - | - | - | Resolved | Mar 23, 2016 | - | |
| Jul 1, 2015 | - | Other | No | No | - | - | - | Resolved | Mar 23, 2016 | - | |
| Oct 1, 2014 | - | Other | No | No | - | - | - | Resolved | Apr 13, 2015 | - | |
| Oct 1, 2014 | - | Other | No | No | - | - | - | Resolved | Apr 13, 2015 | - | |
| Sep 1, 2014 | Sep 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2014 | - | |
| Sep 1, 2014 | Sep 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2014 | - | |
| Jul 1, 2014 | - | Other | No | No | - | - | - | Resolved | Apr 13, 2015 | - | |
| Oct 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Nov 30, 2015 | - |
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.