Chuska Community Boarding School BIA
New Mexico - Community Water System - PWSID: NN3536003
System Information
| PWSID | NN3536003 |
| System Name | Chuska Community Boarding School BIA |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Federal |
| EPA Region | 09 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Feb 2, 1984 |
| Last Reported | Dec 31, 2025 |
Location & Contact
| State | New Mexico |
| City | Tohatchi |
| ZIP Code | 87325-0321 |
| Address | PO Box 321 |
| Organization | BIA Chuska Community School |
| Phone | 5057332700 |
Population & Service
| Population Served | 348 |
| Service Connections | 87 |
Drinking Water Violations (234)
This water system has 234 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 1, 2025 | Sep 30, 2025 | MON | No | Yes | - | - | - | Archived | Sep 30, 2025 | - | |
| Apr 1, 2025 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Feb 1, 2025 | Feb 28, 2025 | MON | No | Yes | - | - | - | Resolved | Feb 12, 2025 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 10, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 10, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2021 | Jan 31, 2021 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2021 | - | |
| May 1, 2020 | - | RPT | No | No | - | - | - | Resolved | Jun 18, 2020 | - | |
| Jan 1, 2017 | - | MR | No | No | - | TT | - | Resolved | Mar 28, 2018 | - | |
| Jan 1, 2017 | - | MR | No | No | - | TT | - | Resolved | Mar 28, 2018 | - | |
| Jan 1, 2017 | - | MR | No | No | - | TT | - | Resolved | Mar 28, 2018 | - | |
| Jul 1, 2016 | - | MR | No | No | - | TT | - | Resolved | Sep 22, 2016 | - | |
| Jul 1, 2016 | - | MR | No | No | - | TT | - | Resolved | Sep 22, 2016 | - | |
| Jul 1, 2016 | - | MR | No | No | - | TT | - | Resolved | Sep 22, 2016 | - | |
| Apr 1, 2016 | - | Other | No | No | - | - | - | Resolved | Mar 28, 2018 | - | |
| Apr 1, 2016 | - | Other | No | No | - | - | - | Resolved | Mar 28, 2018 | - | |
| Apr 1, 2016 | - | Other | No | No | - | - | - | Resolved | Mar 28, 2018 | - | |
| Jul 1, 2015 | Jul 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2015 | - | |
| Jul 1, 2015 | Jul 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2015 | - | |
| Jul 1, 2015 | Jul 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2015 | - | |
| Dec 1, 2012 | Dec 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2012 | - | |
| Dec 1, 2012 | Dec 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2012 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Sep 29, 2009 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.00000003 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Sep 29, 2009 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.00000003 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Sep 29, 2009 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Sep 29, 2009 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Sep 29, 2009 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Sep 29, 2009 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Sep 29, 2009 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Sep 29, 2009 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Sep 29, 2009 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Sep 29, 2009 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Sep 29, 2009 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Sep 29, 2009 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Sep 29, 2009 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Sep 29, 2009 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Sep 29, 2009 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.0005 mg/L | - | Resolved | Sep 29, 2009 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Sep 29, 2009 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Sep 29, 2009 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.00005 mg/L | - | Resolved | Sep 29, 2009 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.00005 mg/L | - | Resolved | Sep 29, 2009 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.00005 mg/L | - | Resolved | Sep 29, 2009 | - |
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.