YAMHILL, CITY OF
Oregon — Community Water System — PWSID: OR4100968
System Information
| PWSID | OR4100968 |
| System Name | YAMHILL, CITY OF |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 12, 1979 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Oregon |
| City | YAMHILL |
| ZIP Code | 97148 |
| Address | PO BOX 9 |
| Organization | YAMHILL, CITY OF |
| Phone | 503-662-4344 |
Population & Service
| Population Served | 1,199 |
| Service Connections | 625 |
Drinking Water Violations (113)
This water system has 113 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 | Dec 31, 2025 | TT | Yes | No | — | TT | — | Archived | Dec 31, 2025 | — | |
| Jul 1, 2024 | — | Other | No | No | — | — | — | Resolved | Jul 8, 2024 | — | |
| Feb 1, 2024 | Feb 29, 2024 | MR | No | Yes | — | — | — | Resolved | Feb 29, 2024 | — | |
| Feb 1, 2024 | Feb 29, 2024 | MR | No | Yes | — | — | — | Resolved | Feb 29, 2024 | — | |
| Feb 1, 2024 | Feb 29, 2024 | MR | No | Yes | — | — | — | Resolved | Feb 29, 2024 | — | |
| Jan 1, 2024 | — | MR | No | No | — | TT | — | Resolved | Apr 3, 2024 | — | |
| Dec 1, 2023 | Dec 31, 2023 | MON | No | No | — | — | — | Resolved | Dec 31, 2023 | — | |
| Jul 1, 2023 | — | MR | No | No | — | TT | — | Resolved | Dec 10, 2023 | — | |
| Jan 1, 2023 | — | MR | No | No | — | TT | — | Resolved | Aug 10, 2023 | — | |
| Jul 1, 2014 | Jul 31, 2014 | MR | No | Yes | — | — | — | Resolved | Jul 31, 2014 | — | |
| Jul 1, 2014 | Jul 31, 2014 | MR | No | Yes | — | — | — | Resolved | Jul 31, 2014 | — | |
| Jul 1, 2014 | Jul 31, 2014 | MR | No | Yes | — | — | — | Resolved | Jul 31, 2014 | — | |
| Jul 1, 2009 | Jul 31, 2009 | MR | No | Yes | — | — | — | Resolved | Jul 31, 2009 | — | |
| Jul 1, 2009 | Jul 31, 2009 | MR | No | Yes | — | — | — | Resolved | Jul 31, 2009 | — | |
| Jul 1, 2009 | Jul 31, 2009 | MR | No | Yes | — | — | — | Resolved | Jul 31, 2009 | — | |
| Jul 1, 2009 | Jul 31, 2009 | MR | No | Yes | — | — | — | Resolved | Jul 31, 2009 | — | |
| Dec 1, 2001 | Dec 31, 2001 | MR | No | No | — | — | — | Resolved | Dec 31, 2001 | — | |
| Nov 1, 2001 | Nov 30, 2001 | TT | Yes | No | — | — | — | Resolved | Nov 30, 2001 | — | |
| Mar 1, 2000 | Mar 31, 2000 | MR | No | Yes | — | — | — | Resolved | Mar 31, 2000 | — | |
| Feb 1, 1999 | Feb 28, 1999 | TT | Yes | No | — | — | — | Resolved | Feb 28, 1999 | — | |
| Jan 1, 1999 | Jan 31, 1999 | MR | No | No | — | — | — | Resolved | Jan 31, 1999 | — | |
| Jan 1, 1999 | Jan 31, 1999 | TT | Yes | No | — | — | — | Resolved | Jan 31, 1999 | — | |
| Jan 1, 1999 | Jan 31, 1999 | TT | Yes | No | — | — | — | Resolved | Jan 31, 1999 | — | |
| Jan 1, 1999 | Jan 31, 1999 | MR | No | No | — | — | — | Resolved | Jan 31, 1999 | — | |
| Dec 1, 1998 | Dec 31, 1998 | MR | No | Yes | — | — | — | Resolved | Dec 31, 1998 | — | |
| Dec 1, 1998 | Dec 31, 1998 | MR | No | Yes | — | — | — | Resolved | Dec 31, 1998 | — | |
| Jun 1, 1998 | Jun 30, 1998 | TT | Yes | No | — | — | — | Resolved | Jun 30, 1998 | — | |
| May 1, 1998 | May 31, 1998 | TT | Yes | No | — | — | — | Resolved | May 31, 1998 | — | |
| Jan 1, 1998 | Jan 31, 1998 | TT | Yes | No | — | — | — | Resolved | Jan 31, 1998 | — | |
| Jan 1, 1998 | Jan 31, 1998 | TT | Yes | No | — | — | — | Resolved | Jan 31, 1998 | — | |
| Jan 1, 1998 | Jan 31, 1998 | TT | Yes | No | — | — | — | Resolved | Jan 31, 1998 | — | |
| Nov 1, 1997 | Nov 30, 1997 | TT | Yes | No | — | — | — | Resolved | Nov 30, 1997 | — | |
| Nov 1, 1997 | Nov 30, 1997 | TT | Yes | No | — | — | — | Resolved | Nov 30, 1997 | — | |
| Nov 1, 1997 | Nov 30, 1997 | TT | Yes | No | — | — | — | Resolved | Nov 30, 1997 | — | |
| Sep 1, 1997 | Sep 30, 1997 | TT | Yes | No | — | — | — | Resolved | Sep 30, 1997 | — | |
| Sep 1, 1997 | Sep 30, 1997 | TT | Yes | No | — | — | — | Resolved | Sep 30, 1997 | — | |
| Sep 1, 1997 | Sep 30, 1997 | TT | Yes | No | — | — | — | Resolved | Sep 30, 1997 | — | |
| Sep 1, 1997 | Sep 30, 1997 | TT | Yes | No | — | — | — | Resolved | Sep 30, 1997 | — | |
| Aug 1, 1997 | Aug 31, 1997 | TT | Yes | No | — | — | — | Resolved | Aug 31, 1997 | — | |
| Aug 1, 1997 | Aug 31, 1997 | TT | Yes | No | — | — | — | Resolved | Aug 31, 1997 | — | |
| Aug 1, 1997 | Aug 31, 1997 | TT | Yes | No | — | — | — | Resolved | Aug 31, 1997 | — | |
| Aug 1, 1997 | Aug 31, 1997 | TT | Yes | No | — | — | — | Resolved | Aug 31, 1997 | — | |
| Jun 1, 1997 | Jun 30, 1997 | TT | Yes | No | — | — | — | Resolved | Jun 30, 1997 | — | |
| Jun 1, 1997 | Jun 30, 1997 | TT | Yes | No | — | — | — | Resolved | Jun 30, 1997 | — | |
| Jan 1, 1997 | Dec 31, 1997 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1997 | — | |
| Jan 1, 1997 | Dec 31, 1997 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1997 | — | |
| Jan 1, 1997 | Dec 31, 1997 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1997 | — | |
| Jan 1, 1997 | Dec 31, 1997 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1997 | — | |
| Jan 1, 1997 | Dec 31, 1997 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1997 | — | |
| Jan 1, 1997 | Dec 31, 1997 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1997 | — |
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.