WEST YAMHILL WATER COMPANY
Oregon - Community Water System - PWSID: OR4101324
System Information
| PWSID | OR4101324 |
| System Name | WEST YAMHILL WATER COMPANY |
| 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 | Jun 26, 1985 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Oregon |
| City | YAMHILL |
| ZIP Code | 97148 |
| Address | PO BOX 333 |
| Organization | WEST YAMHILL WATER COMPANY |
| Phone | 503-515-4624 |
Population & Service
| Population Served | 56 |
| Service Connections | 30 |
Drinking Water Violations (64)
This water system has 64 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 | Sep 13, 2025 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Sep 13, 2025 | - | |
| Jun 1, 2024 | Jun 30, 2024 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2024 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Sep 13, 2025 | - | |
| Oct 1, 2020 | Sep 30, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2021 | - | |
| Oct 1, 2020 | Sep 30, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2021 | - | |
| Oct 1, 2019 | Sep 30, 2020 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2020 | - | |
| Oct 1, 2019 | Sep 30, 2020 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2020 | - | |
| Oct 1, 2018 | Sep 30, 2019 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2019 | - | |
| Oct 1, 2018 | Sep 30, 2019 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2019 | - | |
| Oct 1, 2017 | Sep 30, 2018 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2018 | - | |
| Oct 1, 2017 | Sep 30, 2018 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2018 | - | |
| Oct 1, 2016 | Sep 30, 2017 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2017 | - | |
| Oct 1, 2016 | Sep 30, 2017 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2017 | - | |
| Sep 1, 2016 | Sep 30, 2016 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2016 | - | |
| Oct 1, 2015 | Sep 30, 2016 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2016 | - | |
| Oct 1, 2015 | Sep 30, 2016 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2016 | - | |
| Oct 1, 2014 | Sep 30, 2015 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2015 | - | |
| Oct 1, 2014 | Sep 30, 2015 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2015 | - | |
| Jan 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2010 | - | |
| 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 | - | |
| Apr 1, 2007 | Apr 30, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2007 | - | |
| Sep 1, 2006 | Sep 30, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2006 | - | |
| Aug 1, 2006 | Aug 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2006 | - | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2006 | - | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2006 | - | |
| Jan 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Dec 25, 2010 | - | |
| Jan 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Dec 25, 2010 | - | |
| Oct 19, 2004 | - | Other | No | No | - | - | - | Resolved | Jan 20, 2005 | - | |
| Jul 1, 2004 | Jul 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2004 | - | |
| Jul 1, 2004 | Jul 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2004 | - | |
| Jul 1, 2004 | - | Other | No | No | - | - | - | Resolved | Jan 20, 2005 | - | |
| Feb 1, 2004 | Feb 29, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 2004 | - | |
| Jan 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Dec 25, 2010 | - | |
| Jan 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Dec 25, 2010 | - | |
| Oct 19, 2003 | - | Other | No | No | - | - | - | Resolved | Mar 22, 2004 | - | |
| Jul 1, 2003 | - | Other | No | No | - | - | - | Resolved | Mar 22, 2004 | - | |
| Apr 1, 2003 | Apr 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2003 | - | |
| Jan 1, 2003 | - | MR | No | No | - | TT | - | Resolved | Dec 25, 2010 | - | |
| Jan 1, 2003 | - | MR | No | No | - | TT | - | Resolved | Dec 25, 2010 | - | |
| Dec 1, 2002 | Dec 31, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2002 | - | |
| Sep 1, 2002 | Sep 30, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2002 | - | |
| Jun 1, 1999 | Jun 30, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1999 | - | |
| Jun 1, 1999 | Jun 30, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1999 | - | |
| Feb 1, 1999 | Feb 28, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 1999 | - | |
| Oct 1, 1995 | - | MR | No | No | - | TT | - | Resolved | Dec 25, 2010 | - |
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.