PENDLETON, CITY OF
Oregon — Community Water System — PWSID: OR4100613
System Information
| PWSID | OR4100613 |
| System Name | PENDLETON, CITY OF |
| 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 | Mar 25, 2026 |
Location & Contact
| State | Oregon |
| City | PENDLETON |
| ZIP Code | 97801 |
| Address | 500 SW DORION AVE |
| Organization | PENDLETON, CITY OF |
| Phone | 541-966-0202 |
Population & Service
| Population Served | 16,996 |
| Service Connections | 6,020 |
Drinking Water Violations (69)
This water system has 69 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, 2024 | Dec 31, 2024 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Oct 1, 2023 | — | Other | No | No | — | — | — | Resolved | Jul 1, 2024 | — | |
| Jul 1, 2023 | — | Other | No | No | — | — | — | Resolved | Jul 3, 2023 | — | |
| Jan 1, 2019 | Mar 31, 2019 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Mar 31, 2019 | — | |
| Jan 1, 2019 | Mar 31, 2019 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Mar 31, 2019 | — | |
| Nov 1, 2018 | Nov 30, 2018 | MR | No | Yes | — | — | — | Resolved | Nov 30, 2018 | — | |
| Nov 1, 2018 | Nov 30, 2018 | MR | No | Yes | — | — | — | Resolved | Nov 30, 2018 | — | |
| Nov 1, 2018 | Nov 30, 2018 | MR | No | Yes | — | — | — | Resolved | Nov 30, 2018 | — | |
| Feb 1, 2015 | Feb 28, 2015 | MR | No | Yes | — | — | — | Resolved | Feb 28, 2015 | — | |
| Feb 1, 2015 | Feb 28, 2015 | MR | No | Yes | — | — | — | Resolved | Feb 28, 2015 | — | |
| Feb 1, 2015 | Feb 28, 2015 | MR | No | Yes | — | — | — | Resolved | Feb 28, 2015 | — | |
| Mar 1, 2012 | Mar 31, 2012 | MCL | Yes | No | — | 5% of samples | — | Resolved | Mar 31, 2012 | — | |
| Mar 1, 2012 | Mar 31, 2012 | MCL | Yes | No | — | 5% of samples | — | Resolved | Mar 31, 2012 | — | |
| Mar 1, 2012 | Mar 31, 2012 | MCL | Yes | No | — | 5% of samples | — | Resolved | Mar 31, 2012 | — | |
| Mar 1, 2012 | Mar 31, 2012 | MCL | Yes | No | — | 5% of samples | — | Resolved | Mar 31, 2012 | — | |
| Mar 1, 2011 | Mar 31, 2011 | MR | No | Yes | — | — | — | Resolved | Mar 31, 2011 | — | |
| Mar 1, 2011 | Mar 31, 2011 | MR | No | Yes | — | — | — | Resolved | Mar 31, 2011 | — | |
| Mar 1, 2011 | Mar 31, 2011 | MR | No | Yes | — | — | — | Resolved | Mar 31, 2011 | — | |
| Mar 1, 2011 | Mar 31, 2011 | MR | No | Yes | — | — | — | Resolved | Mar 31, 2011 | — | |
| Apr 1, 2010 | Apr 30, 2010 | MR | No | Yes | — | — | — | Resolved | Apr 30, 2010 | — | |
| Apr 1, 2010 | Apr 30, 2010 | MR | No | Yes | — | — | — | Resolved | Apr 30, 2010 | — | |
| Apr 1, 2010 | Apr 30, 2010 | MR | No | Yes | — | — | — | Resolved | Apr 30, 2010 | — | |
| Apr 1, 2010 | Apr 30, 2010 | MR | No | Yes | — | — | — | Resolved | Apr 30, 2010 | — | |
| Jan 1, 2008 | Jan 31, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2008 | — | |
| Apr 1, 2001 | — | TT | Yes | No | — | — | — | Resolved | Jan 6, 2003 | — | |
| Apr 1, 2001 | — | TT | Yes | No | — | — | — | Resolved | Jan 6, 2003 | — | |
| Apr 1, 2001 | — | TT | Yes | No | — | — | — | Resolved | Jan 6, 2003 | — | |
| Apr 1, 2001 | — | TT | Yes | No | — | — | — | Resolved | Jan 6, 2003 | — | |
| Apr 1, 2001 | — | TT | Yes | No | — | — | — | Resolved | Jan 6, 2003 | — | |
| Apr 1, 2001 | — | TT | Yes | No | — | — | — | Resolved | Jan 6, 2003 | — | |
| Apr 1, 2001 | — | TT | Yes | No | — | — | — | Resolved | Jan 6, 2003 | — | |
| Apr 1, 2001 | — | TT | Yes | No | — | — | — | Resolved | Jan 6, 2003 | — | |
| Feb 1, 1997 | Feb 28, 1997 | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 1997 | — | |
| Nov 1, 1996 | Nov 30, 1996 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1996 | — | |
| Jul 1, 1996 | Jul 31, 1996 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 1996 | — | |
| Dec 1, 1995 | Dec 31, 1995 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1995 | — | |
| Dec 1, 1995 | Dec 31, 1995 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1995 | — | |
| Dec 1, 1995 | Dec 31, 1995 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1995 | — | |
| Dec 1, 1995 | Dec 31, 1995 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 1995 | — | |
| Dec 1, 1995 | Dec 31, 1995 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 1995 | — | |
| Dec 1, 1995 | Dec 31, 1995 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 1995 | — | |
| Dec 1, 1995 | Dec 31, 1995 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 1995 | — | |
| Dec 1, 1995 | Dec 31, 1995 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 1995 | — | |
| Dec 1, 1995 | Dec 31, 1995 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 1995 | — | |
| Nov 1, 1995 | Nov 30, 1995 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1995 | — | |
| Nov 1, 1995 | Nov 30, 1995 | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 1995 | — | |
| Jun 1, 1995 | Jun 30, 1995 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 1995 | — |
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.