CHILOQUIN MUNICIPAL WATER DEPT
Oregon — Community Water System — PWSID: OR4100184
System Information
| PWSID | OR4100184 |
| System Name | CHILOQUIN MUNICIPAL WATER DEPT |
| 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 | Dec 23, 2025 |
Location & Contact
| State | Oregon |
| City | CHILOQUIN |
| ZIP Code | 97624 |
| Address | PO BOX 196 |
| Organization | CHILOQUIN MUNICIPAL WATER DEPT |
| Phone | 541-783-2717 |
Population & Service
| Population Served | 730 |
| Service Connections | 330 |
Drinking Water Violations (81)
This water system has 81 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 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Unaddressed | — | Consumer Confidence Rule |
| Oct 1, 2024 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Unaddressed | — | Consumer Confidence Rule |
| Jul 1, 2024 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Unaddressed | — | Consumer Confidence Rule |
| Oct 1, 2023 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Unaddressed | — | Consumer Confidence Rule |
| Jul 1, 2023 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Unaddressed | — | Consumer Confidence Rule |
| Jan 1, 2023 | Dec 31, 2023 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2023 | Nitrate Rule |
| Oct 1, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 26, 2022 | Lead and Copper Rule |
| Feb 1, 2015 | Feb 28, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 2015 | Total Coliform Rule |
| Jan 1, 2015 | Jan 31, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2015 | Total Coliform Rule |
| Dec 1, 2014 | Dec 31, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2014 | Total Coliform Rule |
| Nov 1, 2014 | Nov 30, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2014 | Total Coliform Rule |
| Oct 1, 2014 | Oct 31, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2014 | Total Coliform Rule |
| Feb 1, 2013 | Feb 28, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 2013 | Total Coliform Rule |
| Feb 1, 2013 | Feb 28, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 2013 | Total Coliform Rule |
| Feb 1, 2013 | Feb 28, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 2013 | Total Coliform Rule |
| Feb 1, 2013 | Feb 28, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 2013 | Total Coliform Rule |
| Nov 1, 2010 | Nov 30, 2010 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2010 | Total Coliform Rule |
| Nov 1, 2010 | Nov 30, 2010 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2010 | Total Coliform Rule |
| Jun 1, 2007 | Jun 30, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2007 | Total Coliform Rule |
| Jul 1, 2005 | Jul 31, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2005 | Total Coliform Rule |
| Jul 1, 2005 | Jul 31, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2005 | Total Coliform Rule |
| Jun 1, 2005 | Jun 30, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2005 | Total Coliform Rule |
| Jun 1, 2005 | Jun 30, 2005 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2005 | Total Coliform Rule |
| Mar 1, 2005 | Mar 31, 2005 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Mar 31, 2005 | Total Coliform Rule |
| Oct 19, 2004 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Nov 8, 2006 | Consumer Confidence Rule |
| Sep 1, 2004 | Sep 30, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2004 | Total Coliform Rule |
| Sep 1, 2004 | Sep 30, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2004 | Total Coliform Rule |
| Aug 1, 2004 | Aug 31, 2004 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2004 | Total Coliform Rule |
| Jul 1, 2004 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Nov 8, 2006 | Consumer Confidence Rule |
| Dec 1, 2003 | Dec 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2003 | Total Coliform Rule |
| Dec 1, 2003 | Dec 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2003 | Total Coliform Rule |
| Oct 19, 2003 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Nov 8, 2006 | Consumer Confidence Rule |
| Oct 1, 2003 | Oct 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2003 | Total Coliform Rule |
| Oct 1, 2003 | Oct 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2003 | Total Coliform Rule |
| Aug 1, 2003 | Aug 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2003 | Total Coliform Rule |
| Aug 1, 2003 | Aug 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2003 | Total Coliform Rule |
| Jul 1, 2003 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Nov 8, 2006 | Consumer Confidence Rule |
| Jan 1, 2003 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 11, 2005 | Lead and Copper Rule |
| Oct 19, 2002 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Nov 8, 2006 | Consumer Confidence Rule |
| Oct 1, 2002 | Oct 31, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2002 | Total Coliform Rule |
| Oct 1, 2002 | Oct 31, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2002 | Total Coliform Rule |
| Sep 1, 2002 | Sep 30, 2002 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2002 | Total Coliform Rule |
| Sep 1, 2002 | Sep 30, 2002 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2002 | Total Coliform Rule |
| Jul 1, 2002 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Nov 8, 2006 | Consumer Confidence Rule |
| Jul 1, 2002 | Jul 31, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2002 | Total Coliform Rule |
| Jul 1, 2002 | Jul 31, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2002 | Total Coliform Rule |
| Feb 1, 2002 | Feb 28, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 2002 | Total Coliform Rule |
| Feb 1, 2002 | Feb 28, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 2002 | Total Coliform Rule |
| Jan 1, 2002 | Jan 31, 2002 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jan 31, 2002 | Total Coliform Rule |
| Oct 19, 2001 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Nov 8, 2006 | Consumer Confidence Rule |
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.