MONO HOT SPRINGS RESORT
California - Transient Non-Community - PWSID: CA1000308
System Information
| PWSID | CA1000308 |
| System Name | MONO HOT SPRINGS RESORT |
| 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 | Jun 27, 1980 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | LAKESHORE |
| ZIP Code | 93634 |
| Address | P O BOX 215 |
| Organization | WINSLOW, JEFF |
| Phone | 559-325-1710 |
Population & Service
| Population Served | 85 |
| Service Connections | 30 |
Drinking Water Violations (72)
This water system has 72 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 1, 2021 | Jun 30, 2021 | MON | No | Yes | - | - | - | Archived | Jun 30, 2021 | - | |
| 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 | - | |
| Jan 1, 2015 | Dec 31, 2015 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2015 | - | |
| Jan 1, 2015 | Dec 31, 2015 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2015 | - | |
| Aug 1, 2014 | Aug 31, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2014 | - | |
| Aug 1, 2014 | Aug 31, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2014 | - | |
| Jul 1, 2014 | Sep 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2014 | - | |
| Jul 1, 2014 | Sep 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2014 | - | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2014 | - | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2014 | - | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2013 | - | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2013 | - | |
| Apr 1, 2012 | Jun 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2012 | - | |
| Apr 1, 2012 | Jun 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2012 | - | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2012 | - | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2012 | - | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2012 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Nov 1, 2009 | Nov 30, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2009 | - | |
| Nov 1, 2009 | Nov 30, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2009 | - | |
| Nov 1, 2009 | Nov 30, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2009 | - | |
| Oct 1, 2009 | Oct 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2009 | - | |
| Oct 1, 2009 | Oct 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2009 | - | |
| Oct 1, 2009 | Oct 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2009 | - | |
| 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 | - | |
| Jan 1, 2008 | Mar 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2008 | - | |
| Jan 1, 2008 | Mar 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2008 | - | |
| Jan 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | Mar 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 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 | - | |
| Jul 1, 2007 | Sep 30, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2007 | - | |
| Sep 1, 1984 | Sep 30, 1984 | Other | No | No | - | - | - | Archived | Sep 30, 1984 | - | |
| Aug 1, 1984 | Aug 31, 1984 | Other | No | No | - | - | - | Archived | Aug 31, 1984 | - | |
| Jul 1, 1984 | Jul 31, 1984 | Other | No | No | - | - | - | Archived | Jul 31, 1984 | - |
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.