Tonalea (Red Lake) Day School BIA
Arizona — Community Water System — PWSID: NN0433013
System Information
| PWSID | NN0433013 |
| System Name | Tonalea (Red Lake) Day 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 | Arizona |
| City | Tonalea |
| ZIP Code | 86044 |
| Address | PO Box 39 |
| Organization | BIA Tonalea Day School |
| Phone | 9282836325 |
Population & Service
| Population Served | 300 |
| Service Connections | 15 |
Drinking Water Violations (103)
This water system has 103 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb 1, 2025 | Feb 28, 2025 | MON | No | Yes | — | — | — | Resolved | Feb 28, 2025 | — | |
| Jul 1, 2024 | — | Other | No | No | — | — | — | Resolved | Jul 31, 2025 | — | |
| Jul 1, 2024 | — | Other | No | No | — | — | — | Resolved | Jul 31, 2025 | — | |
| Jan 1, 2024 | — | RPT | No | No | — | — | — | Resolved | Feb 20, 2024 | — | |
| Oct 1, 2023 | — | RPT | No | No | — | — | — | Resolved | Nov 30, 2023 | — | |
| Oct 1, 2022 | — | RPT | No | No | — | — | — | Resolved | Nov 17, 2022 | — | |
| May 1, 2020 | — | RPT | No | No | — | — | — | Resolved | Jun 19, 2020 | — | |
| Apr 1, 2016 | — | Other | No | No | — | — | — | Resolved | Feb 8, 2018 | — | |
| Apr 1, 2016 | — | Other | No | No | — | — | — | Resolved | Feb 8, 2018 | — | |
| Apr 1, 2016 | — | Other | No | No | — | — | — | Resolved | Feb 8, 2018 | — | |
| Oct 1, 2013 | — | MR | No | Yes | — | — | — | Resolved | Feb 8, 2018 | — | |
| Oct 1, 2013 | — | MR | No | Yes | — | — | — | Resolved | Feb 8, 2018 | — | |
| Oct 1, 2013 | — | MR | No | Yes | — | — | — | Resolved | Feb 8, 2018 | — | |
| 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, 2010 | Dec 31, 2010 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2010 | Dec 31, 2010 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jun 1, 2008 | Jun 30, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Jun 3, 2008 | — | |
| Jun 1, 2008 | Jun 30, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Jun 3, 2008 | — | |
| Jun 1, 2008 | Jun 30, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Jun 3, 2008 | — | |
| 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 | — | 0.07 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 2010 | — | |
| 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 | — | 0.00000003 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.00000003 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Dec 1, 2006 | Dec 31, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | No | — | 10 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | No | — | 0.7 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | No | — | 0.1 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | No | — | 0.07 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | No | — | 0.0002 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | No | — | 0.07 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | No | — | 0.0002 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | No | — | 0.0004 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | No | — | 0.07 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | No | — | 0.007 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | No | — | — | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | No | — | — | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | No | — | 0.04 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | No | — | 0.0005 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | No | — | 0.2 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | No | — | 0.001 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | No | — | 0.002 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | No | — | 0.007 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | No | — | 0.7 mg/L | — | Resolved | Dec 31, 2004 | — |
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.