UNION GAP WATER DISTRICT
Oregon - Community Water System - PWSID: OR4101371
System Information
| PWSID | OR4101371 |
| System Name | UNION GAP WATER DISTRICT |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Aug 5, 1986 |
| Last Reported | Jun 26, 2026 |
Location & Contact
| State | Oregon |
| City | OAKLAND |
| ZIP Code | 97462 |
| Address | PO BOX 344 |
| Organization | UNION GAP WATER DISTRICT |
| Phone | 541-459-5776 |
Population & Service
| Population Served | 150 |
| Service Connections | 75 |
Drinking Water Violations (38)
This water system has 38 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 | - | Other | No | No | - | - | - | Resolved | Jul 10, 2025 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Jul 8, 2024 | - | |
| Feb 1, 2016 | Feb 29, 2016 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 2016 | - | |
| May 1, 2013 | May 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2013 | - | |
| Nov 1, 2009 | Nov 30, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2009 | - | |
| Nov 1, 2009 | Nov 30, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2009 | - | |
| Jan 1, 2009 | Jan 31, 2009 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jan 31, 2009 | - | |
| Jan 1, 2009 | Jan 31, 2009 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jan 31, 2009 | - | |
| Jan 1, 2009 | Jan 31, 2009 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jan 31, 2009 | - | |
| Jan 1, 2009 | Jan 31, 2009 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jan 31, 2009 | - | |
| Jan 1, 2009 | Jan 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2009 | - | |
| Aug 1, 2008 | Aug 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2008 | - | |
| Jun 1, 2008 | Jun 30, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2008 | - | |
| May 1, 2008 | May 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2008 | - | |
| Apr 1, 2008 | Apr 30, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2008 | - | |
| Oct 1, 2007 | Oct 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2007 | - | |
| Sep 1, 2007 | Sep 30, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2007 | - | |
| Jun 1, 2007 | Jun 30, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2007 | - | |
| Mar 1, 2007 | Mar 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2007 | - | |
| Feb 1, 2007 | Feb 28, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 2007 | - | |
| Jan 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Sep 14, 2011 | - | |
| Jan 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Sep 14, 2011 | - | |
| Jan 1, 2003 | - | MR | No | No | - | TT | - | Resolved | Sep 14, 2011 | - | |
| Jan 1, 2003 | - | MR | No | No | - | TT | - | Resolved | Sep 14, 2011 | - | |
| Dec 1, 2001 | Dec 31, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2001 | - | |
| Nov 1, 2001 | Nov 30, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2001 | - | |
| May 1, 2001 | May 31, 2001 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2001 | - | |
| Oct 1, 1998 | Oct 31, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 1998 | - | |
| Oct 1, 1998 | Oct 31, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 1998 | - | |
| Sep 1, 1997 | Sep 30, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1997 | - | |
| Jun 1, 1997 | Jun 30, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1997 | - | |
| May 1, 1997 | May 31, 1997 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 1997 | - | |
| Sep 12, 1996 | - | MR | No | No | - | TT | - | Resolved | Sep 14, 2011 | - | |
| Sep 12, 1996 | - | MR | No | No | - | TT | - | Resolved | Sep 14, 2011 | - | |
| Jul 1, 1994 | - | MR | No | No | - | TT | - | Resolved | Nov 14, 1994 | - | |
| Sep 1, 1992 | Sep 30, 1992 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1992 | - | |
| Sep 1, 1991 | Sep 30, 1991 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1991 | - | |
| Aug 1, 1991 | Aug 31, 1991 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1991 | - |
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.