COBBLESTONE MHP
Oregon — Community Water System — PWSID: OR4100517
System Information
| PWSID | OR4100517 |
| System Name | COBBLESTONE MHP |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 12, 1979 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Oregon |
| City | MEDFORD |
| ZIP Code | 97504 |
| Address | 3965 CRATER LAKE HWY |
| Organization | COBBLESTONE MHP |
| Phone | 541-227-9744 |
Population & Service
| Population Served | 100 |
| Service Connections | 69 |
Drinking Water Violations (77)
This water system has 77 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2023 | Apr 30, 2023 | MON | No | Yes | — | — | — | Resolved | Apr 30, 2023 | — | |
| Jan 1, 2023 | — | MR | No | No | — | TT | — | Resolved | Jun 16, 2023 | — | |
| May 1, 2022 | May 31, 2022 | MON | No | Yes | — | — | — | Resolved | May 31, 2022 | — | |
| Jan 1, 2022 | Sep 30, 2022 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2022 | — | |
| Jan 1, 2022 | Sep 30, 2022 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2022 | — | |
| Nov 1, 2021 | Nov 30, 2021 | MON | No | Yes | — | — | — | Resolved | Nov 30, 2021 | — | |
| Oct 1, 2021 | — | MR | No | No | — | TT | — | Resolved | Apr 22, 2022 | — | |
| Jul 1, 2019 | Sep 30, 2019 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2019 | — | |
| Aug 1, 2015 | Aug 31, 2015 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2015 | — | |
| Apr 1, 2014 | Apr 30, 2014 | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 2014 | — | |
| Apr 1, 2014 | Apr 30, 2014 | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 2014 | — | |
| Apr 1, 2014 | Apr 30, 2014 | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 2014 | — | |
| Oct 1, 2012 | — | MR | No | No | — | TT | — | Resolved | Sep 11, 2013 | — | |
| Oct 1, 2012 | — | MR | No | No | — | TT | — | Resolved | Sep 11, 2013 | — | |
| Oct 1, 2012 | Oct 31, 2012 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2012 | — | |
| Oct 1, 2012 | Oct 31, 2012 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2012 | — | |
| Mar 1, 2011 | Mar 31, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2011 | — | |
| Mar 1, 2011 | Mar 31, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2011 | — | |
| Jan 1, 2011 | — | MR | No | No | — | TT | — | Resolved | Sep 11, 2013 | — | |
| Jan 1, 2011 | — | MR | No | No | — | TT | — | Resolved | Sep 11, 2013 | — | |
| Aug 1, 2010 | Aug 31, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2010 | — | |
| Aug 1, 2010 | Aug 31, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2010 | — | |
| Jul 1, 2010 | — | MR | No | No | — | TT | — | Resolved | Sep 11, 2013 | — | |
| Jul 1, 2010 | — | MR | No | No | — | TT | — | Resolved | Sep 11, 2013 | — | |
| Apr 1, 2010 | Apr 30, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2010 | — | |
| Apr 1, 2010 | Apr 30, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2010 | — | |
| Mar 1, 2010 | Mar 31, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2010 | — | |
| Mar 1, 2010 | Mar 31, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2010 | — | |
| Jun 1, 2009 | Jun 30, 2009 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2009 | — | |
| Jun 1, 2009 | Jun 30, 2009 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2009 | — | |
| Dec 1, 2008 | Dec 31, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2008 | — | |
| Oct 19, 2004 | — | Other | No | No | — | — | — | Resolved | Jul 7, 2014 | — | |
| Sep 1, 2004 | Sep 30, 2004 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2004 | — | |
| Jul 1, 2004 | — | Other | No | No | — | — | — | Resolved | Jul 7, 2014 | — | |
| Oct 19, 2003 | — | Other | No | No | — | — | — | Resolved | Jul 7, 2014 | — | |
| Jul 1, 2003 | — | Other | No | No | — | — | — | Resolved | Jul 7, 2014 | — | |
| May 1, 2003 | May 31, 2003 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2003 | — | |
| Mar 1, 2003 | Mar 31, 2003 | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2003 | — | |
| Feb 1, 2003 | Feb 28, 2003 | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 2003 | — | |
| Nov 1, 2002 | Nov 30, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2002 | — | |
| Oct 1, 2002 | Oct 31, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2002 | — | |
| Aug 1, 2002 | Aug 31, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2002 | — | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2002 | — | |
| Aug 1, 2001 | Aug 31, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2001 | — | |
| Jul 1, 2001 | Jul 31, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2001 | — | |
| Jan 1, 2000 | — | TT | Yes | No | — | TT | — | Resolved | Aug 17, 2006 | — | |
| Jan 1, 2000 | — | TT | Yes | No | — | TT | — | Resolved | Aug 17, 2006 | — | |
| Jan 1, 2000 | — | TT | Yes | No | — | TT | — | Resolved | Aug 17, 2006 | — | |
| Jan 1, 1999 | Dec 31, 2001 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2001 | — | |
| Mar 1, 1998 | Mar 31, 1998 | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 1998 | — |
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.