Tuba City Boarding School - BIA
Arizona — Community Water System — PWSID: 090433001
System Information
| PWSID | 090433001 |
| System Name | Tuba City Boarding School - BIA |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Inactive |
| 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 | Tuba City |
| ZIP Code | 86045 |
| Address | P.O. Box 187 |
| Organization | Tuba City Boarding School - BIA |
| Phone | 9282832330 |
Population & Service
| Population Served | 2,040 |
| Service Connections | 143 |
Drinking Water Violations (26)
This water system has 26 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2008 | Dec 31, 2010 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| Jul 1, 2006 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Mar 16, 2007 | Consumer Confidence Rule |
| Jul 1, 2005 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Mar 16, 2007 | Consumer Confidence Rule |
| Nov 1, 2004 | Nov 30, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2004 | Total Coliform Rule |
| Oct 1, 2004 | Oct 31, 2004 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2004 | Total Coliform Rule |
| Apr 1, 2004 | Apr 30, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2004 | Total Coliform Rule |
| Sep 1, 2002 | Sep 30, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2002 | Total Coliform Rule |
| Jul 1, 2002 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 4, 2003 | Consumer Confidence Rule |
| Mar 1, 2002 | Mar 31, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2002 | Total Coliform Rule |
| Jan 1, 2001 | Dec 31, 2001 | Glyphosate | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2001 | Synthetic Organic Chemicals |
| Jan 1, 2001 | Dec 31, 2001 | CYANIDE | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2001 | Inorganic Chemicals |
| Jan 1, 2001 | Dec 31, 2001 | 2,4,5-TP | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Dec 31, 2001 | Synthetic Organic Chemicals |
| Jan 1, 2001 | Dec 31, 2001 | 1,2-DIBROMO-3-CHLOROPROPANE | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2001 | Synthetic Organic Chemicals |
| Jan 1, 2001 | Dec 31, 2001 | 2,4-D | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2001 | Synthetic Organic Chemicals |
| Jan 1, 2001 | Dec 31, 2001 | Dalapon | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2001 | Synthetic Organic Chemicals |
| Jan 1, 2001 | Dec 31, 2001 | ETHYLENE DIBROMIDE | MR | No | Yes | — | 0.00005 mg/L | — | Resolved | Dec 31, 2001 | Synthetic Organic Chemicals |
| Jan 1, 2001 | Dec 31, 2001 | 2,3,7,8-TCDD | MR | No | Yes | — | 0.00000003 mg/L | — | Resolved | Dec 31, 2001 | Synthetic Organic Chemicals |
| Jan 1, 2001 | Dec 31, 2001 | Carbofuran | MR | No | Yes | — | 0.04 mg/L | — | Resolved | Dec 31, 2001 | Synthetic Organic Chemicals |
| Jan 1, 2001 | Dec 31, 2001 | Picloram | MR | No | Yes | — | 0.5 mg/L | — | Resolved | Dec 31, 2001 | Synthetic Organic Chemicals |
| Jan 1, 2001 | Dec 31, 2001 | OXAMYL | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2001 | Synthetic Organic Chemicals |
| Jan 1, 2001 | Dec 31, 2001 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2001 | Inorganic Chemicals |
| Jul 1, 2000 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Apr 13, 2007 | Consumer Confidence Rule |
| Jul 10, 1996 | Aug 9, 1996 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 9, 1996 | Total Coliform Rule |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — |
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.