ROSAMOND SCHOOL WATER SYSTEM
California — Non-Transient Non-Community — PWSID: CA1502231
System Information
| PWSID | CA1502231 |
| System Name | ROSAMOND SCHOOL WATER SYSTEM |
| System Type | Non-Transient Non-Community |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 09 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Mar 22, 1979 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | ROSAMOND |
| ZIP Code | 93560 |
| Address | P.O. DRAWER CC |
| Organization | GAINES, BARBARA |
| Phone | 661-256-5000 |
Population & Service
| Population Served | 940 |
| Service Connections | 2 |
Drinking Water Violations (96)
This water system has 96 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, 2025 | Dec 31, 2025 | MCL | Yes | No | .021 MG/L | 0.010 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | .023 MG/L | 0.010 mg/L | — | Archived | Sep 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | .026 MG/L | 0.010 mg/L | — | Archived | Jun 30, 2025 | — | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .016 MG/L | 0.010 mg/L | — | Archived | Mar 31, 2025 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | — | Archived | Dec 31, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | — | Archived | Sep 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | — | Archived | Jun 30, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | — | Archived | Mar 31, 2024 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | — | Archived | Dec 31, 2023 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | — | Archived | Jun 30, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | — | Archived | Mar 31, 2022 | — | |
| Oct 1, 2021 | Dec 31, 2021 | MCL | Yes | No | .014 MG/L | 0.010 mg/L | — | Archived | Dec 31, 2021 | — | |
| Jul 1, 2021 | Sep 30, 2021 | MCL | Yes | No | .014 MG/L | 0.010 mg/L | — | Archived | Sep 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MCL | Yes | No | .014 MG/L | 0.010 mg/L | — | Archived | Jun 30, 2021 | — | |
| Jan 1, 2021 | Mar 31, 2021 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | — | Archived | Mar 31, 2021 | — | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | — | Archived | Dec 31, 2020 | — | |
| Jul 1, 2020 | Sep 30, 2020 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | — | Archived | Sep 30, 2020 | — | |
| May 1, 2020 | May 31, 2020 | MON | No | No | — | — | — | Resolved | May 31, 2020 | — | |
| May 1, 2020 | May 31, 2020 | MON | No | No | — | — | — | Resolved | May 31, 2020 | — | |
| Jan 1, 2020 | Mar 31, 2020 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | — | Archived | Mar 31, 2020 | — | |
| Oct 1, 2019 | Dec 31, 2019 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Archived | Dec 31, 2019 | — | |
| Jul 1, 2019 | Sep 30, 2019 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | — | Archived | Sep 30, 2019 | — | |
| Apr 1, 2019 | Jun 30, 2019 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | — | Archived | Jun 30, 2019 | — | |
| Jan 1, 2019 | Mar 31, 2019 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | — | Archived | Mar 31, 2019 | — | |
| Jan 1, 2019 | Mar 31, 2019 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | — | Archived | Mar 31, 2019 | — | |
| Oct 1, 2018 | Dec 31, 2018 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Archived | Dec 31, 2018 | — | |
| Oct 1, 2018 | Dec 31, 2018 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Archived | Dec 31, 2018 | — | |
| Jul 1, 2017 | Sep 30, 2017 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Archived | Sep 30, 2017 | — | |
| Jul 1, 2017 | Sep 30, 2017 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Archived | Sep 30, 2017 | — | |
| Apr 1, 2017 | Jun 30, 2017 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Archived | Jun 30, 2017 | — | |
| Apr 1, 2017 | Jun 30, 2017 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Archived | Jun 30, 2017 | — | |
| Jan 1, 2017 | Mar 31, 2017 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Archived | Mar 31, 2017 | — | |
| Jan 1, 2017 | Mar 31, 2017 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Archived | Mar 31, 2017 | — | |
| Oct 1, 2016 | Dec 31, 2016 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Archived | Dec 31, 2016 | — | |
| Oct 1, 2016 | Dec 31, 2016 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Archived | Dec 31, 2016 | — | |
| Jul 1, 2016 | Sep 30, 2016 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Archived | Sep 30, 2016 | — | |
| Jul 1, 2016 | Sep 30, 2016 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Archived | Sep 30, 2016 | — | |
| Apr 1, 2016 | Jun 30, 2016 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Archived | Jun 30, 2016 | — | |
| Apr 1, 2016 | Jun 30, 2016 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Archived | Jun 30, 2016 | — | |
| Jan 1, 2016 | Mar 31, 2016 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Archived | Mar 31, 2016 | — | |
| Jan 1, 2016 | Mar 31, 2016 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Archived | Mar 31, 2016 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Archived | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Archived | Dec 31, 2015 | — | |
| Jul 1, 2015 | Sep 30, 2015 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Archived | Sep 30, 2015 | — | |
| Jul 1, 2015 | Sep 30, 2015 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Archived | Sep 30, 2015 | — | |
| Jul 1, 2014 | Sep 30, 2014 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Archived | Sep 30, 2014 | — | |
| Jul 1, 2014 | Sep 30, 2014 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Archived | Sep 30, 2014 | — | |
| Apr 1, 2014 | Jun 30, 2014 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Archived | Jun 30, 2014 | — | |
| Apr 1, 2014 | Jun 30, 2014 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Archived | Jun 30, 2014 | — | |
| Jan 1, 2014 | Mar 31, 2014 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Archived | Mar 31, 2014 | — |
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.