GUPTIL SUBDIVISION
Oregon - Community Water System - PWSID: OR4100602
System Information
| PWSID | OR4100602 |
| System Name | GUPTIL SUBDIVISION |
| System Type | Community Water System |
| Water Source | Ground Water |
| 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 | OTIS |
| ZIP Code | 97368 |
| Address | PO BOX 21 |
| Organization | GUPTIL SUBDIVISION |
| Phone | 541-680-8640 |
Population & Service
| Population Served | 79 |
| Service Connections | 20 |
Drinking Water Violations (55)
This water system has 55 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 17, 2024 | - | MR | No | Yes | - | - | - | Resolved | Jul 16, 2024 | - | |
| May 1, 2024 | May 31, 2024 | MON | No | Yes | - | - | - | Resolved | May 31, 2024 | - | |
| Apr 1, 2024 | Apr 30, 2024 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2024 | - | |
| Mar 1, 2024 | Mar 31, 2024 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2024 | - | |
| Oct 1, 2023 | - | Other | No | No | - | - | - | Resolved | Jan 12, 2024 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Mar 4, 2024 | - | |
| Mar 8, 2023 | - | MR | No | Yes | - | - | - | Resolved | Mar 9, 2023 | - | |
| Mar 1, 2023 | Mar 31, 2023 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2023 | - | |
| Feb 1, 2023 | Feb 28, 2023 | MCL | Yes | No | - | - | - | Resolved | Feb 28, 2023 | - | |
| Feb 1, 2023 | Feb 28, 2023 | MCL | Yes | No | - | - | - | Resolved | Feb 28, 2023 | - | |
| Feb 1, 2023 | Feb 28, 2023 | MCL | Yes | No | - | - | - | Resolved | Feb 28, 2023 | - | |
| Jan 1, 2023 | Jan 31, 2023 | MON | No | Yes | - | - | - | Resolved | Jan 11, 2023 | - | |
| Dec 1, 2022 | Dec 31, 2022 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2022 | - | |
| Feb 1, 2021 | Feb 28, 2021 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2021 | - | |
| Jan 1, 2021 | Jan 31, 2021 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2021 | - | |
| Jan 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Jan 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2017 | - | MR | No | No | - | TT | - | Resolved | Jul 18, 2019 | - | |
| Dec 23, 2015 | - | MR | No | Yes | - | - | - | Resolved | Jan 20, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | - | 0.010 mg/L | - | Archived | Dec 31, 2016 | - | |
| Jan 12, 2013 | - | MR | No | Yes | - | - | - | Resolved | Jan 20, 2016 | - | |
| Jan 12, 2013 | - | MR | No | Yes | - | - | - | Resolved | Jan 20, 2016 | - | |
| Dec 1, 2012 | Dec 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2012 | - | |
| Dec 1, 2012 | Dec 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2012 | - | |
| Dec 1, 2012 | Dec 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2012 | - | |
| Dec 1, 2012 | Dec 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2012 | - | |
| Nov 1, 2012 | Nov 30, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2012 | - | |
| Nov 1, 2012 | Nov 30, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2012 | - | |
| Nov 1, 2012 | Nov 30, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2012 | - | |
| Nov 1, 2012 | Nov 30, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2012 | - | |
| Aug 1, 2011 | - | MR | No | Yes | - | - | - | Resolved | Jan 20, 2016 | - | |
| Aug 1, 2011 | - | MR | No | Yes | - | - | - | Resolved | Jan 20, 2016 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Mar 1, 2011 | Mar 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2011 | - | |
| Mar 1, 2011 | Mar 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2011 | - | |
| Jan 1, 2011 | - | MR | No | No | - | TT | - | Resolved | Sep 26, 2011 | - | |
| Jan 1, 2011 | - | MR | No | No | - | TT | - | Resolved | Sep 26, 2011 | - | |
| Jan 1, 2008 | Dec 31, 2016 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2008 | Dec 31, 2016 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Dec 31, 2016 | - | |
| Nov 1, 2006 | Nov 30, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2006 | - | |
| Oct 1, 2004 | Oct 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2004 | - | |
| Oct 1, 2004 | Oct 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2004 | - | |
| Feb 1, 2004 | Feb 29, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 29, 2004 | - | |
| Feb 1, 2001 | Feb 28, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 2001 | - | |
| Jul 1, 1996 | Jul 31, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 1996 | - | |
| Jul 1, 1994 | - | MR | No | No | - | TT | - | Resolved | Jun 22, 1995 | - | |
| Jan 1, 1994 | Jan 31, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 1994 | - |
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.