WILLAMINA, CITY OF
Oregon — Community Water System — PWSID: OR4100953
System Information
| PWSID | OR4100953 |
| System Name | WILLAMINA, 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 | WILLAMINA |
| ZIP Code | 97396 |
| Address | 411 NE C ST |
| Organization | WILLAMINA, CITY OF |
| Phone | 503-437-7003 |
Population & Service
| Population Served | 2,239 |
| Service Connections | 900 |
Drinking Water Violations (90)
This water system has 90 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mar 1, 2017 | Mar 31, 2017 | MR | No | Yes | — | — | — | Resolved | Mar 31, 2017 | — | |
| Mar 1, 2017 | Mar 31, 2017 | MR | No | Yes | — | — | — | Resolved | Mar 31, 2017 | — | |
| Mar 1, 2017 | Mar 31, 2017 | MR | No | Yes | — | — | — | Resolved | Mar 31, 2017 | — | |
| Jan 1, 2017 | Dec 31, 2025 | MR | No | Yes | — | 5 pCi/L | — | Archived | Dec 31, 2025 | — | |
| Dec 1, 2009 | Dec 31, 2009 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2009 | — | |
| Dec 1, 2009 | Dec 31, 2009 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2009 | — | |
| Dec 1, 2009 | Dec 31, 2009 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2009 | — | |
| Dec 1, 2009 | Dec 31, 2009 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2009 | — | |
| Oct 1, 2009 | Oct 31, 2009 | MR | No | Yes | — | — | — | Resolved | Oct 31, 2009 | — | |
| Oct 1, 2009 | Oct 31, 2009 | MR | No | Yes | — | — | — | Resolved | Oct 31, 2009 | — | |
| Oct 1, 2009 | Oct 31, 2009 | MR | No | Yes | — | — | — | Resolved | Oct 31, 2009 | — | |
| Oct 1, 2009 | Oct 31, 2009 | MR | No | Yes | — | — | — | Resolved | Oct 31, 2009 | — | |
| Apr 1, 2009 | Apr 30, 2009 | MR | No | Yes | — | — | — | Resolved | Apr 30, 2009 | — | |
| Apr 1, 2009 | Apr 30, 2009 | MR | No | Yes | — | — | — | Resolved | Apr 30, 2009 | — | |
| Apr 1, 2009 | Apr 30, 2009 | MR | No | Yes | — | — | — | Resolved | Apr 30, 2009 | — | |
| Apr 1, 2009 | Apr 30, 2009 | MR | No | Yes | — | — | — | Resolved | Apr 30, 2009 | — | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Oct 1, 2006 | Oct 31, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2006 | — | |
| Mar 1, 2006 | Mar 31, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | — |
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.