MARIANA RANCHOS CWD
California - Community Water System - PWSID: CA3610030
System Information
| PWSID | CA3610030 |
| System Name | MARIANA RANCHOS CWD |
| 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 | Mar 20, 2026 |
Location & Contact
| State | California |
| City | APPLE VALLEY |
| ZIP Code | 92308 |
| Address | 9600 MANZANITA STREET |
| Organization | BUCHMANN, MATT |
| Phone | 760-247-9405 |
Population & Service
| Population Served | 1,502 |
| Service Connections | 455 |
Drinking Water Violations (20)
This water system has 20 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, 2015 | Jul 31, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2015 | - | |
| Jul 1, 2015 | Jul 31, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2015 | - | |
| Jun 1, 2012 | - | MR | No | No | - | TT | - | Resolved | Sep 27, 2013 | - | |
| Jun 1, 2012 | - | MR | No | No | - | TT | - | Resolved | Sep 27, 2013 | - | |
| Apr 1, 2010 | Apr 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2010 | - | |
| Apr 1, 2010 | Apr 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2010 | - | |
| Oct 1, 2008 | Oct 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2008 | - | |
| Oct 1, 2008 | Oct 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2008 | - | |
| Oct 1, 2008 | Oct 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2008 | - | |
| Oct 1, 2008 | Oct 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2008 | - | |
| Oct 1, 2008 | Oct 31, 2008 | Other | No | No | - | 5% of samples | - | Resolved | Oct 31, 2008 | - | |
| Oct 1, 2008 | Oct 31, 2008 | Other | No | No | - | 5% of samples | - | Resolved | Oct 31, 2008 | - | |
| Jul 1, 2008 | Jul 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2008 | - | |
| Mar 1, 2005 | Mar 31, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2005 | - | |
| Oct 1, 2003 | Oct 31, 2003 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2003 | - | |
| Oct 1, 2003 | Oct 31, 2003 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2003 | - | |
| May 1, 1996 | May 31, 1996 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 1996 | - | |
| May 1, 1996 | May 31, 1996 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 1996 | - | |
| Aug 1, 1994 | Aug 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1994 | - | |
| Aug 1, 1994 | Aug 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1994 | - |
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.