ALDERPOINT COUNTY WATER
California - Community Water System - PWSID: CA1200501
System Information
| PWSID | CA1200501 |
| System Name | ALDERPOINT COUNTY WATER |
| System Type | Community Water System |
| Water Source | Surface 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 | ALDERPOINT |
| ZIP Code | 95511 |
| Address | P.O. BOX 117 |
| Organization | MARCH, CHERYL |
| Phone | 707-926-5162 |
Population & Service
| Population Served | 58 |
| Service Connections | 60 |
Drinking Water Violations (83)
This water system has 83 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, 2021 | - | MR | No | No | - | TT | - | Resolved | Sep 19, 2022 | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Sep 19, 2022 | - | |
| Jul 1, 2018 | - | Other | No | No | - | - | - | Resolved | Mar 11, 2020 | - | |
| Jul 1, 2018 | - | Other | No | No | - | - | - | Resolved | Mar 11, 2020 | - | |
| Jan 1, 2017 | - | TT | Yes | No | - | - | - | Resolved | Feb 1, 2017 | - | |
| Jan 1, 2017 | - | TT | Yes | No | - | - | - | Resolved | Feb 1, 2017 | - | |
| Oct 1, 2016 | - | MR | No | No | - | TT | - | Resolved | Sep 19, 2022 | - | |
| Oct 1, 2016 | - | MR | No | No | - | TT | - | Resolved | Sep 19, 2022 | - | |
| Jan 1, 2015 | Jan 31, 2015 | MR | No | Yes | - | - | - | Resolved | Jan 31, 2015 | - | |
| Jan 1, 2015 | Jan 31, 2015 | MR | No | Yes | - | - | - | Resolved | Jan 31, 2015 | - | |
| Sep 1, 2011 | Sep 30, 2011 | Other | No | No | - | - | - | Resolved | Sep 30, 2011 | - | |
| Sep 1, 2011 | Sep 30, 2011 | Other | No | No | - | - | - | Resolved | Sep 30, 2011 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Dec 31, 2010 | TT | Yes | No | - | - | - | Resolved | Dec 31, 2010 | - | |
| Jul 1, 2010 | Dec 31, 2010 | TT | Yes | No | - | - | - | Resolved | Dec 31, 2010 | - | |
| Mar 1, 2010 | Apr 1, 2010 | MR | No | No | - | - | - | Resolved | Apr 1, 2010 | - | |
| Mar 1, 2010 | Apr 1, 2010 | MR | No | No | - | - | - | Resolved | Apr 1, 2010 | - | |
| Feb 1, 2010 | Feb 28, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 2010 | - | |
| Nov 1, 2009 | Dec 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2009 | - | |
| Jun 1, 2008 | Jul 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2008 | - | |
| Jun 1, 2008 | Jul 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2008 | - | |
| Nov 1, 2007 | Dec 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2007 | - | |
| Nov 1, 2007 | Dec 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2007 | - | |
| Jul 1, 2007 | Aug 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2007 | - | |
| Jul 1, 2007 | Aug 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2007 | - | |
| Jul 1, 2007 | Aug 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2007 | - | |
| Feb 1, 2006 | Mar 30, 2006 | TT | Yes | No | - | - | - | Resolved | Mar 30, 2006 | - | |
| Feb 1, 2006 | Mar 30, 2006 | TT | Yes | No | - | - | - | Resolved | Mar 30, 2006 | - | |
| Dec 1, 2005 | Jan 30, 2006 | TT | Yes | No | - | - | - | Resolved | Jan 30, 2006 | - | |
| Dec 1, 2005 | Jan 30, 2006 | TT | Yes | No | - | - | - | Resolved | Jan 30, 2006 | - | |
| May 1, 2004 | May 31, 2004 | TT | Yes | No | - | - | - | Resolved | May 31, 2004 | - | |
| May 1, 2004 | May 31, 2004 | TT | Yes | No | - | - | - | Resolved | May 31, 2004 | - | |
| May 1, 2004 | May 31, 2004 | TT | Yes | No | - | - | - | Resolved | May 31, 2004 | - | |
| May 1, 2004 | May 31, 2004 | TT | Yes | No | - | - | - | Resolved | May 31, 2004 | - | |
| May 1, 2004 | Jun 1, 2004 | TT | Yes | No | - | - | - | Resolved | Jun 1, 2004 | - | |
| May 1, 2004 | Jun 1, 2004 | TT | Yes | No | - | - | - | Resolved | Jun 1, 2004 | - | |
| Aug 1, 2003 | Oct 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2003 | - | |
| Aug 1, 2003 | Oct 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2003 | - | |
| Dec 1, 2002 | Dec 31, 2002 | TT | Yes | No | - | - | - | Resolved | Dec 31, 2002 | - | |
| Dec 1, 2002 | Dec 31, 2002 | TT | Yes | No | - | - | - | Resolved | Dec 31, 2002 | - | |
| Apr 1, 2001 | Apr 30, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2001 | - | |
| Mar 1, 1998 | Mar 31, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 1998 | - | |
| Mar 1, 1998 | Mar 31, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 1998 | - | |
| Jan 1, 1998 | Jan 31, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 1998 | - | |
| Jan 1, 1998 | Jan 31, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 1998 | - | |
| Jul 1, 1995 | Aug 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1995 | - | |
| Jul 1, 1995 | Aug 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1995 | - | |
| Dec 1, 1993 | Dec 31, 1993 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1993 | - | |
| Dec 1, 1993 | Dec 31, 1993 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1993 | - | |
| Dec 1, 1993 | Dec 31, 1993 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1993 | - |
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.