Canyon De Chelly National Monument
Arizona - Community Water System - PWSID: NN0403022
System Information
| PWSID | NN0403022 |
| System Name | Canyon De Chelly National Monument |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Federal |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 2, 1984 |
| Last Reported | Dec 31, 2025 |
Location & Contact
| State | Arizona |
| City | Chinle |
| ZIP Code | 86503 |
| Address | PO Box 588 |
| Organization | Canyon De Chelly National Monument |
| Phone | 9286745500 |
Population & Service
| Population Served | 55 |
| Service Connections | 37 |
Drinking Water Violations (185)
This water system has 185 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 1, 2024 | - | RPT | No | No | - | - | - | Resolved | Sep 25, 2024 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Sep 1, 2022 | - | RPT | No | No | - | - | - | Resolved | Oct 27, 2022 | - | |
| Aug 1, 2022 | - | RPT | No | No | - | - | - | Resolved | Oct 27, 2022 | - | |
| Nov 1, 2021 | - | RPT | No | No | - | - | - | Resolved | Feb 15, 2022 | - | |
| May 1, 2021 | - | RPT | No | No | - | - | - | Resolved | Jun 24, 2021 | - | |
| Jul 1, 2020 | - | Other | No | No | - | - | - | Resolved | Apr 14, 2021 | - | |
| Jul 1, 2020 | - | Other | No | No | - | - | - | Resolved | Apr 14, 2021 | - | |
| Jul 1, 2020 | - | Other | No | No | - | - | - | Resolved | Apr 14, 2021 | - | |
| May 1, 2020 | - | RPT | No | No | - | - | - | Resolved | Jul 13, 2020 | - | |
| Apr 1, 2020 | - | RPT | No | No | - | - | - | Resolved | Jul 13, 2020 | - | |
| Dec 1, 2019 | - | RPT | No | No | - | - | - | Resolved | Feb 4, 2020 | - | |
| Apr 1, 2018 | Apr 30, 2018 | MON | No | Yes | - | - | - | Resolved | Jun 7, 2017 | - | |
| Apr 1, 2018 | Apr 30, 2018 | MON | No | Yes | - | - | - | Resolved | Jun 7, 2017 | - | |
| Apr 1, 2018 | Apr 30, 2018 | MON | No | Yes | - | - | - | Resolved | Jun 7, 2017 | - | |
| Jul 1, 2016 | Jul 31, 2016 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2016 | - | |
| Jul 1, 2016 | Jul 31, 2016 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2016 | - | |
| Aug 1, 2015 | Aug 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Aug 3, 2015 | - | |
| Aug 1, 2015 | Aug 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Aug 3, 2015 | - | |
| Aug 1, 2015 | Aug 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Aug 3, 2015 | - | |
| Jul 1, 2015 | Jul 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Jul 7, 2015 | - | |
| Jul 1, 2015 | Jul 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Jul 7, 2015 | - | |
| Jul 1, 2015 | Jul 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Jul 7, 2015 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Jan 8, 2013 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Jan 8, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jul 7, 2010 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jul 7, 2010 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jul 7, 2010 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jul 7, 2010 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jul 7, 2010 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jul 7, 2010 | - | |
| Jul 1, 2010 | - | Other | No | No | - | - | - | Resolved | Mar 3, 2011 | - | |
| Jan 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jul 7, 2010 | - | |
| Jan 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jul 7, 2010 | - | |
| Jan 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jul 7, 2010 | - | |
| Jul 1, 2009 | - | Other | No | No | - | - | - | Resolved | Feb 25, 2010 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Feb 25, 2010 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Feb 25, 2010 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 0.00000003 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jul 1, 2006 | - | Other | No | No | - | - | - | Resolved | Feb 25, 2010 | - | |
| Jul 1, 2006 | - | Other | No | No | - | - | - | Resolved | Feb 25, 2010 | - | |
| Jul 1, 2006 | - | Other | No | No | - | - | - | Resolved | Feb 25, 2010 | - | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | No | - | 10 mg/L | - | Resolved | Dec 31, 2006 | - | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2006 | - |
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.