IMNAHA WATER SYSTEM
Oregon — Transient Non-Community — PWSID: OR4101268
System Information
| PWSID | OR4101268 |
| System Name | IMNAHA WATER SYSTEM |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Non-Inventory |
| Owner Type | Private |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Aug 18, 1983 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Oregon |
| City | IMNAHA |
| ZIP Code | 97842 |
| Address | PO BOX 22 |
| Organization | TANZEY, DAVE |
| Phone | 541-577-3111 |
Population & Service
| Population Served | 24 |
| Service Connections | 10 |
Drinking Water Violations (89)
This water system has 89 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2025 | Jun 30, 2025 | MON | No | Yes | — | — | — | Resolved | Feb 1, 2018 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MON | No | Yes | — | — | — | Resolved | Feb 1, 2018 | — | |
| Jan 1, 2023 | Mar 31, 2023 | MON | No | Yes | — | — | — | Resolved | Feb 1, 2018 | — | |
| Oct 1, 2022 | Dec 31, 2022 | MON | No | Yes | — | — | — | Resolved | Feb 1, 2018 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MON | No | Yes | — | — | — | Resolved | Feb 1, 2018 | — | |
| Jan 1, 2020 | Mar 31, 2020 | MON | No | Yes | — | — | — | Resolved | Feb 1, 2018 | — | |
| Jul 1, 2019 | Jul 31, 2019 | MON | No | Yes | — | — | — | Resolved | Feb 1, 2018 | — | |
| Mar 27, 2014 | — | MR | No | Yes | — | — | — | Resolved | Apr 5, 2014 | — | |
| Nov 20, 2010 | — | Other | No | No | — | — | — | Resolved | Jan 7, 2011 | — | |
| Nov 20, 2010 | — | Other | No | No | — | — | — | Resolved | Jan 7, 2011 | — | |
| Oct 1, 2010 | Oct 31, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2010 | — | |
| Oct 1, 2010 | Oct 31, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2010 | — | |
| Sep 1, 2010 | — | MR | No | Yes | — | — | — | Resolved | Apr 5, 2014 | — | |
| Sep 1, 2010 | — | MR | No | Yes | — | — | — | Resolved | Apr 5, 2014 | — | |
| Sep 1, 2010 | — | MR | No | Yes | — | — | — | Resolved | Apr 5, 2014 | — | |
| Sep 1, 2010 | — | MR | No | Yes | — | — | — | Resolved | Apr 5, 2014 | — | |
| Sep 1, 2010 | — | MR | No | Yes | — | — | — | Resolved | Apr 5, 2014 | — | |
| Jul 1, 2010 | Sep 30, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2010 | — | |
| Jul 1, 2010 | Sep 30, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2010 | — | |
| Jul 1, 2010 | Sep 30, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2010 | — | |
| Jun 1, 2009 | Jun 30, 2009 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2009 | — | |
| Jun 1, 2009 | Jun 30, 2009 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2009 | — | |
| Dec 1, 2006 | Dec 31, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2006 | — | |
| Jul 1, 2005 | Jul 31, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2005 | — | |
| Apr 1, 2005 | Jun 30, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2005 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Apr 1, 2003 | Jun 30, 2003 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2003 | — | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2003 | — | |
| Sep 1, 2002 | Sep 30, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2002 | — | |
| Aug 1, 2002 | Aug 31, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2002 | — | |
| Aug 1, 2002 | Aug 31, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2002 | — | |
| Aug 1, 2002 | Aug 31, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2002 | — | |
| Jul 1, 2002 | Jul 31, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2002 | — | |
| Jul 1, 2002 | Jul 31, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2002 | — | |
| Jul 1, 2002 | Jul 31, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2002 | — | |
| Jul 1, 2002 | Jul 31, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2002 | — | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2002 | — | |
| Apr 1, 2002 | Jun 30, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2002 | — | |
| Jan 1, 2002 | Mar 31, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2002 | — | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2002 | — | |
| Oct 1, 2001 | Dec 31, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2001 | — | |
| Jul 1, 2001 | Sep 30, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2001 | — | |
| Apr 1, 2001 | Jun 30, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2001 | — | |
| Jan 1, 2001 | Mar 31, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2001 | — | |
| Oct 1, 2000 | Dec 31, 2000 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2000 | — | |
| Jul 1, 2000 | Sep 30, 2000 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2000 | — | |
| Apr 1, 2000 | Jun 30, 2000 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2000 | — | |
| Jan 1, 2000 | Mar 31, 2000 | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2000 | — | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2000 | — | |
| Oct 1, 1999 | Dec 31, 1999 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1999 | — |
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.