SIERRA WATER RESOURCES - SIERRA CITY
California - Community Water System - PWSID: CA4600017
System Information
| PWSID | CA4600017 |
| System Name | SIERRA WATER RESOURCES - SIERRA CITY |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 22, 1979 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | CLAREMONT |
| ZIP Code | 91711 |
| Address | 140 North Harvard Avenue, Unit 100 |
| Organization | MORALES, NATHANIAL |
| Phone | 909-788-0190 |
Population & Service
| Population Served | 324 |
| Service Connections | 120 |
Drinking Water Violations (105)
This water system has 105 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 1, 2017 | Aug 31, 2017 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2017 | - | |
| Aug 1, 2017 | Aug 31, 2017 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2017 | - | |
| Jun 3, 2016 | Sep 2, 2016 | Other | No | No | - | - | - | Resolved | Sep 2, 2016 | - | |
| Jun 3, 2016 | Sep 2, 2016 | Other | No | No | - | - | - | Resolved | Sep 2, 2016 | - | |
| Nov 1, 2015 | Jan 31, 2016 | Other | No | No | - | - | - | Resolved | Jan 31, 2016 | - | |
| Nov 1, 2015 | Jan 31, 2016 | Other | No | No | - | - | - | Resolved | Jan 31, 2016 | - | |
| Oct 1, 2015 | Oct 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2015 | - | |
| Oct 1, 2015 | Oct 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2015 | - | |
| Oct 1, 2015 | Oct 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2015 | - | |
| Oct 1, 2015 | Oct 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2015 | - | |
| Sep 1, 2015 | Sep 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2015 | - | |
| Sep 1, 2015 | Sep 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2015 | - | |
| Aug 1, 2015 | Aug 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2015 | - | |
| Aug 1, 2015 | Aug 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2015 | - | |
| Apr 1, 2015 | Apr 30, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2015 | - | |
| Apr 1, 2015 | Apr 30, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2015 | - | |
| Apr 1, 2015 | Apr 30, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2015 | - | |
| Apr 1, 2015 | Apr 30, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2015 | - | |
| Feb 1, 2015 | Feb 28, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 2015 | - | |
| Feb 1, 2015 | Feb 28, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 2015 | - | |
| Jan 1, 2015 | Jan 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2015 | - | |
| Jan 1, 2015 | Jan 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2015 | - | |
| Aug 1, 2014 | Aug 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2014 | - | |
| Aug 1, 2014 | Aug 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2014 | - | |
| Aug 1, 2014 | Aug 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2014 | - | |
| Aug 1, 2014 | Aug 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2014 | - | |
| Aug 1, 2014 | Aug 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2014 | - | |
| Mar 1, 2014 | Mar 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2014 | - | |
| Mar 1, 2014 | Mar 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2014 | - | |
| Mar 1, 2014 | Mar 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2014 | - | |
| Mar 1, 2014 | Mar 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2014 | - | |
| Mar 1, 2014 | Mar 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2014 | - | |
| Sep 1, 2011 | Sep 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2011 | - | |
| Sep 1, 2011 | Sep 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2011 | - | |
| Oct 1, 2010 | Oct 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2010 | - | |
| Oct 1, 2010 | Oct 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2010 | - | |
| Feb 1, 2010 | Feb 28, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 28, 2010 | - | |
| Feb 1, 2010 | Feb 28, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 28, 2010 | - | |
| Oct 1, 2009 | Oct 31, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2009 | - | |
| Oct 1, 2009 | Oct 31, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2009 | - | |
| Jun 1, 2009 | Jun 30, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2009 | - | |
| Jun 1, 2009 | Jun 30, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2009 | - | |
| Aug 1, 2008 | Aug 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2008 | - | |
| Aug 1, 2008 | Aug 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2008 | - | |
| Jul 1, 2008 | Jul 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2008 | - | |
| Jul 1, 2008 | Jul 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2008 | - | |
| Sep 1, 2007 | Sep 30, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2007 | - | |
| Sep 1, 2007 | Sep 30, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2007 | - | |
| Aug 1, 2007 | Aug 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2007 | - | |
| Aug 1, 2007 | Aug 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2007 | - |
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.