ROSAMOND CSD
California — Community Water System — PWSID: CA1510018
System Information
| PWSID | CA1510018 |
| System Name | ROSAMOND CSD |
| 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 | Nov 17, 2025 |
Location & Contact
| State | California |
| City | ROSAMOND |
| ZIP Code | 93560 |
| Address | 3179 35th St. West |
| Organization | DOMINGO, KIM |
| Phone | 661-256-5708 |
Population & Service
| Population Served | 17,711 |
| Service Connections | 5,293 |
Drinking Water Violations (17)
This water system has 17 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, 2008 | Dec 31, 2008 | Arsenic | MCL | Yes | No | .014 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2008 | Arsenic Rule |
| Oct 1, 2008 | Dec 31, 2008 | Arsenic | MCL | Yes | No | .014 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2008 | Arsenic Rule |
| Jul 1, 2008 | Sep 30, 2008 | Arsenic | MCL | Yes | No | .014 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2008 | Arsenic Rule |
| Jul 1, 2008 | Sep 30, 2008 | Arsenic | MCL | Yes | No | .014 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2008 | Arsenic Rule |
| Apr 1, 2008 | Jun 30, 2008 | Arsenic | MCL | Yes | No | .014 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2008 | Arsenic Rule |
| Apr 1, 2008 | Jun 30, 2008 | Arsenic | MCL | Yes | No | .014 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2008 | Arsenic Rule |
| Jan 1, 2008 | Mar 31, 2008 | Arsenic | MCL | Yes | No | .014 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2008 | Arsenic Rule |
| Jan 1, 2008 | Mar 31, 2008 | Arsenic | MCL | Yes | No | .014 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2008 | Arsenic Rule |
| Oct 1, 2007 | Dec 31, 2007 | Arsenic | MCL | Yes | No | .014 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2007 | Arsenic Rule |
| Jul 1, 2007 | Sep 30, 2007 | Arsenic | MCL | Yes | No | .013 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2007 | Arsenic Rule |
| Jul 1, 2007 | Sep 30, 2007 | Arsenic | MCL | Yes | No | .013 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2007 | Arsenic Rule |
| Jul 1, 2007 | Sep 30, 2007 | Arsenic | MCL | Yes | No | .013 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2007 | Arsenic Rule |
| Jul 1, 1993 | Jul 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 1993 | Total Coliform Rule |
| May 1, 1993 | May 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 1993 | Total Coliform Rule |
| May 1, 1993 | May 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 1993 | Total Coliform Rule |
| Apr 1, 1993 | Apr 30, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 1993 | Total Coliform Rule |
| Sep 1, 1992 | Sep 30, 1992 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 1992 | Total Coliform 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.