NAVARRA WATER SYSTEM
California - Transient Non-Community - PWSID: CA3901116
System Information
| PWSID | CA3901116 |
| System Name | NAVARRA WATER SYSTEM |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Nov 30, 1981 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | DANVILLE |
| ZIP Code | 94526 |
| Address | 2605 Camino Tassajara Lane #1582 |
| Organization | GROUP LLC, BLACKHAWK MANAGEMENT |
| Phone | 925-548-7910 |
Population & Service
| Population Served | 730 |
| Service Connections | 1 |
Drinking Water Violations (26)
This water system has 26 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, 2012 | Jul 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2012 | - | |
| Jul 1, 2012 | Jul 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2012 | - | |
| Dec 1, 2010 | Dec 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Dec 1, 2010 | - | |
| Dec 1, 2010 | Dec 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Dec 1, 2010 | - | |
| Nov 1, 2010 | Nov 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2010 | - | |
| Nov 1, 2010 | Nov 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2010 | - | |
| Nov 1, 2010 | Nov 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2010 | - | |
| Nov 1, 2010 | Nov 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2010 | - | |
| Nov 1, 2010 | Nov 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2010 | - | |
| May 1, 2010 | May 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2010 | - | |
| May 1, 2010 | May 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2010 | - | |
| May 1, 2010 | May 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2010 | - | |
| Jan 1, 2009 | Dec 30, 2009 | MCL | Yes | No | 46 MG/L | 10 mg/L | 45 | Resolved | Dec 10, 2009 | - | |
| Dec 1, 2008 | Dec 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2008 | - | |
| Nov 1, 2008 | Nov 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2008 | - | |
| Nov 1, 2008 | Nov 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2008 | - | |
| Aug 1, 2007 | Aug 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2007 | - | |
| Aug 1, 2007 | Aug 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2007 | - | |
| May 1, 2006 | May 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2006 | - | |
| May 1, 2006 | May 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2006 | - | |
| May 1, 2005 | May 31, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2005 | - | |
| May 1, 2005 | May 31, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2005 | - | |
| Aug 1, 1983 | Aug 31, 1983 | Other | No | No | - | - | - | Archived | Aug 31, 1983 | - | |
| May 1, 1983 | May 31, 1983 | Other | No | No | - | - | - | Archived | May 31, 1983 | - | |
| Feb 1, 1983 | Feb 28, 1983 | Other | No | No | - | - | - | Archived | Feb 28, 1983 | - | |
| Nov 1, 1982 | Nov 30, 1982 | Other | No | No | - | - | - | Archived | Nov 30, 1982 | - |
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.