LAKE CHIQUITA MUTUAL WATER COMPANY
California - Transient Non-Community - PWSID: CA0900317
System Information
| PWSID | CA0900317 |
| System Name | LAKE CHIQUITA MUTUAL WATER COMPANY |
| 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 | Sep 10, 1999 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | OAKLAND |
| ZIP Code | 94608 |
| Address | 962 44TH ST |
| Organization | NOMURA, JAKE |
| Phone | 510-866-9243 |
Population & Service
| Population Served | 63 |
| Service Connections | 17 |
Drinking Water Violations (42)
This water system has 42 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2020 | - | |
| Jan 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2020 | - | |
| Jan 1, 2017 | Dec 31, 2017 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2017 | - | |
| Jan 1, 2017 | Dec 31, 2017 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2017 | - | |
| Jul 1, 2015 | Sep 30, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2015 | - | |
| Jul 1, 2015 | Sep 30, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2015 | - | |
| Jul 1, 2015 | Sep 30, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2015 | - | |
| Apr 1, 2015 | Jun 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2015 | - | |
| Apr 1, 2015 | Jun 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2015 | - | |
| Apr 1, 2015 | Jun 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2015 | - | |
| Jul 1, 2014 | Sep 30, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2014 | - | |
| Aug 31, 2011 | Dec 31, 2011 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2011 | - | |
| Aug 31, 2011 | Dec 31, 2011 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2011 | - | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2008 | - | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2008 | - | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2008 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2008 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2008 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2008 | - | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2007 | - | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2007 | - | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2007 | - | |
| Jul 1, 2007 | Sep 30, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2007 | - | |
| Jul 1, 2007 | Sep 30, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2007 | - | |
| Jul 1, 2007 | Sep 30, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2007 | - | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2007 | - | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2007 | - | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2007 | - | |
| Oct 1, 2006 | Dec 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2006 | - | |
| Oct 1, 2006 | Dec 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2006 | - | |
| Oct 1, 2006 | Dec 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2006 | - | |
| Jul 1, 2006 | Sep 30, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2006 | - | |
| Jul 1, 2006 | Sep 30, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2006 | - | |
| Jul 1, 2006 | Sep 30, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2006 | - | |
| Apr 1, 2006 | Jun 30, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2006 | - | |
| Apr 1, 2006 | Jun 30, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2006 | - | |
| Jul 1, 2005 | Sep 30, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2005 | - | |
| Jul 1, 2005 | Sep 30, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2005 | - | |
| Oct 1, 2001 | Oct 31, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2001 | - | |
| Oct 1, 2001 | Oct 31, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2001 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - |
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.