DUFUR, CITY OF
Oregon - Community Water System - PWSID: OR4100261
System Information
| PWSID | OR4100261 |
| System Name | DUFUR, 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 | DUFUR |
| ZIP Code | 97021 |
| Address | PO BOX 145 |
| Organization | DUFUR, CITY OF |
| Phone | 541-467-2401 |
Population & Service
| Population Served | 610 |
| Service Connections | 351 |
Drinking Water Violations (147)
This water system has 147 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 | - | - | - | Unaddressed | - | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Oct 1, 2024 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Oct 1, 2023 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Feb 1, 2023 | Feb 28, 2023 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2023 | - | |
| Oct 1, 2021 | Oct 31, 2021 | MCL | Yes | No | - | - | - | Resolved | Oct 31, 2021 | - | |
| Oct 1, 2021 | Oct 31, 2021 | MCL | Yes | No | - | - | - | Resolved | Oct 31, 2021 | - | |
| Oct 1, 2021 | Oct 31, 2021 | MCL | Yes | No | - | - | - | Resolved | Oct 31, 2021 | - | |
| Oct 1, 2020 | Oct 31, 2020 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2020 | - | |
| Sep 1, 2019 | Sep 30, 2019 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Dec 1, 2017 | Dec 31, 2017 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2017 | - | |
| Nov 1, 2017 | Nov 30, 2017 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2017 | - | |
| Jan 1, 2017 | Dec 31, 2025 | MR | No | Yes | - | 15 pCi/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2017 | Dec 31, 2025 | MR | No | Yes | - | 5 pCi/L | - | Archived | Dec 31, 2025 | - | |
| Mar 1, 2016 | Mar 31, 2016 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2016 | - | |
| Apr 1, 2015 | Apr 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2015 | - | |
| Oct 1, 2014 | Sep 30, 2015 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2015 | - | |
| Oct 1, 2014 | Sep 30, 2015 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2015 | - | |
| Jan 1, 2014 | Sep 30, 2014 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2014 | - | |
| Jan 1, 2014 | Sep 30, 2014 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2014 | - | |
| Jan 1, 2011 | Dec 31, 2019 | MR | No | Yes | - | 7 MFL | - | Resolved | Dec 31, 2019 | - | |
| Dec 1, 2010 | Dec 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2010 | - | |
| Dec 1, 2010 | Dec 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2010 | - | |
| May 1, 2010 | May 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2010 | - | |
| May 1, 2010 | May 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.00005 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.0005 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.0005 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.004 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.004 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.04 mg/L | - | Resolved | Dec 31, 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.