MOSSY BRAE WATER DISTRICT
Oregon - Community Water System - PWSID: OR4100945
System Information
| PWSID | OR4100945 |
| System Name | MOSSY BRAE WATER DISTRICT |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 12, 1979 |
| Last Reported | Jun 26, 2026 |
Location & Contact
| State | Oregon |
| City | WEST LINN |
| ZIP Code | 97068 |
| Address | 2730 SW MOSSY BRAE RD |
| Organization | MOSSY BRAE WATER DISTRICT |
| Phone | 503-806-3015 |
Population & Service
| Population Served | 100 |
| Service Connections | 50 |
Drinking Water Violations (128)
This water system has 128 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2025 | - | Other | No | No | - | - | - | Resolved | Feb 16, 2026 | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Resolved | Feb 16, 2026 | - | |
| Oct 1, 2024 | - | Other | No | No | - | - | - | Resolved | Nov 16, 2024 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Mar 12, 2025 | - | |
| Oct 1, 2023 | - | Other | No | No | - | - | - | Resolved | Dec 15, 2023 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Dec 15, 2023 | - | |
| Oct 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Aug 30, 2023 | - | |
| Sep 1, 2016 | Sep 30, 2016 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2016 | - | |
| Oct 19, 2015 | - | Other | No | No | - | - | - | Resolved | Sep 14, 2016 | - | |
| Sep 1, 2015 | Sep 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2015 | - | |
| Aug 22, 2015 | - | MR | No | Yes | - | - | - | Resolved | Sep 14, 2016 | - | |
| 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 | - | |
| Aug 31, 2013 | - | MR | No | Yes | - | - | - | Resolved | Jan 6, 2014 | - | |
| Aug 1, 2012 | Aug 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2012 | - | |
| Aug 1, 2012 | Aug 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2012 | - | |
| Aug 1, 2012 | Aug 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2012 | - | |
| Aug 1, 2012 | Aug 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2012 | - | |
| Aug 1, 2012 | Aug 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2012 | - | |
| Nov 24, 2011 | - | Other | No | No | - | - | - | Resolved | Oct 24, 2011 | - | |
| Nov 24, 2011 | - | Other | No | No | - | - | - | Resolved | Oct 24, 2011 | - | |
| Sep 1, 2011 | - | MR | No | Yes | - | - | - | Resolved | Jan 6, 2014 | - | |
| Sep 1, 2011 | - | MR | No | Yes | - | - | - | Resolved | Jan 6, 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 | - | |
| Sep 1, 2011 | Sep 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2011 | - | |
| Jan 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Jan 25, 2005 | - | |
| Oct 19, 2004 | - | Other | No | No | - | - | - | Resolved | Nov 21, 2006 | - | |
| Jul 1, 2004 | - | Other | No | No | - | - | - | Resolved | Nov 21, 2006 | - | |
| Oct 19, 2003 | - | Other | No | No | - | - | - | Resolved | Nov 21, 2006 | - | |
| Jul 1, 2003 | Jul 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2003 | - | |
| Jul 1, 2003 | - | Other | No | No | - | - | - | Resolved | Nov 21, 2006 | - | |
| May 1, 2003 | May 31, 2003 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2003 | - | |
| Feb 1, 2003 | Feb 28, 2003 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 28, 2003 | - | |
| Feb 1, 2003 | Feb 28, 2003 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 28, 2003 | - | |
| Oct 19, 2002 | - | Other | No | No | - | - | - | Resolved | Nov 21, 2006 | - | |
| Aug 1, 2002 | Aug 31, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2002 | - | |
| Jul 1, 2002 | - | Other | No | No | - | - | - | Resolved | Nov 21, 2006 | - | |
| Jan 1, 2002 | Dec 31, 2004 | MCL | Yes | No | .017 MG/L | 0.006 mg/L | .006 | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2002 | - | TT | Yes | No | - | TT | - | Resolved | Dec 25, 2010 | - | |
| Oct 19, 2001 | - | Other | No | No | - | - | - | Resolved | Nov 21, 2006 | - | |
| Oct 19, 2001 | - | Other | No | No | - | - | - | Resolved | Nov 21, 2006 | - | |
| Jul 1, 2001 | - | Other | No | No | - | - | - | Resolved | Nov 21, 2006 | - | |
| Jul 1, 2001 | - | Other | No | No | - | - | - | Resolved | Nov 21, 2006 | - | |
| Jul 1, 2001 | - | MR | No | No | - | TT | - | Resolved | Dec 25, 2010 | - | |
| May 1, 2001 | May 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2001 | - | |
| May 1, 2001 | May 31, 2001 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2001 | - | |
| Jan 1, 2001 | Jun 30, 2001 | MR | No | No | - | TT | - | Resolved | Jun 30, 2001 | - | |
| Oct 1, 2000 | - | Other | No | No | - | - | - | Resolved | Nov 21, 2006 | - | |
| Oct 1, 2000 | - | Other | No | No | - | - | - | Resolved | Nov 21, 2006 | - |
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.