WESTPORT WATER ASSOCIATION
Oregon - Community Water System - PWSID: OR4100950
System Information
| PWSID | OR4100950 |
| System Name | WESTPORT WATER ASSOCIATION |
| System Type | Community Water System |
| Water Source | Ground 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 | WESTPORT |
| ZIP Code | 97016 |
| Address | 49206 HWY 30 |
| Organization | WESTPORT WATER ASSOCIATION |
| Phone | 503-455-9231 |
Population & Service
| Population Served | 550 |
| Service Connections | 165 |
Drinking Water Violations (167)
This water system has 167 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2025 | - | Other | No | No | - | - | - | Resolved | Dec 15, 2025 | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Oct 1, 2024 | - | Other | No | No | - | - | - | Resolved | Dec 15, 2025 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Oct 1, 2023 | - | Other | No | No | - | - | - | Resolved | Dec 15, 2025 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Apr 1, 2017 | Mar 31, 2018 | MR | No | Yes | - | 0.060 mg/L | - | Archived | Mar 31, 2018 | - | |
| Apr 1, 2016 | Mar 31, 2017 | MR | No | Yes | - | 0.060 mg/L | - | Archived | Mar 31, 2017 | - | |
| Apr 1, 2016 | Mar 31, 2017 | MR | No | Yes | - | 0.080 mg/L | - | Archived | Mar 31, 2017 | - | |
| Jan 1, 2016 | - | MR | No | Yes | - | - | - | Unaddressed | - | - | |
| Jan 1, 2016 | Jan 31, 2016 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2016 | - | |
| Dec 1, 2015 | Dec 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2015 | - | |
| Feb 1, 2009 | Feb 28, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 2009 | - | |
| Feb 1, 2009 | Feb 28, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 2009 | - | |
| Jan 1, 2009 | Jan 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2009 | - | |
| Jan 1, 2009 | Jan 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2009 | - | |
| Dec 1, 2008 | Dec 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2008 | - | |
| Dec 1, 2008 | Dec 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2008 | - | |
| Dec 1, 2008 | Dec 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2008 | - | |
| Dec 1, 2008 | Dec 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2008 | - | |
| Nov 1, 2008 | Nov 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2008 | - | |
| Nov 1, 2008 | Nov 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2008 | - | |
| Nov 1, 2008 | Nov 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2008 | - | |
| Oct 1, 2008 | Oct 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2008 | - | |
| Oct 1, 2008 | Oct 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2008 | - | |
| Oct 1, 2008 | Oct 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2008 | - | |
| Aug 1, 2008 | Aug 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2008 | - | |
| Aug 1, 2008 | Aug 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2008 | - | |
| Aug 1, 2008 | Aug 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2008 | - | |
| Mar 1, 2008 | Mar 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2008 | - | |
| Mar 1, 2008 | Mar 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2008 | - | |
| Mar 1, 2008 | Mar 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2008 | - | |
| Dec 1, 2007 | Dec 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2007 | - | |
| Dec 1, 2007 | Dec 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2007 | - | |
| Dec 1, 2007 | Dec 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2007 | - | |
| Jul 1, 2007 | Sep 30, 2007 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2007 | - | |
| Jul 1, 2007 | Sep 30, 2007 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2007 | - | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jun 30, 2007 | - | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jun 30, 2007 | - | |
| 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 | - | 0.005 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 | - | 0.010 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 | - | 0.1 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 | - | 0.7 mg/L | - | Resolved | Dec 31, 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.