Ojo Encino Day School Housing - BIA
Arizona — Non-Transient Non-Community — PWSID: 093534013
System Information
| PWSID | 093534013 |
| System Name | Ojo Encino Day School Housing - BIA |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water Purchased |
| Activity Status | Inactive |
| 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 | Window Rock |
| ZIP Code | 86515 |
| Address | P.O. Box 1449 |
| Organization | BIE - Navajo Office |
| Phone | 9288715961 |
Population & Service
| Population Served | 178 |
| Service Connections | 12 |
Drinking Water Violations (17)
This water system has 17 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, 2014 | Dec 31, 2014 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Archived | Oct 20, 2014 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2014 | Dec 31, 2014 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Archived | Oct 20, 2014 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| May 1, 2010 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Sep 17, 2010 | Ground Water Rule |
| Dec 1, 2008 | Dec 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2008 | Total Coliform Rule |
| Nov 1, 2008 | Nov 30, 2008 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 2008 | Total Coliform Rule |
| 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 |
| Jan 1, 2004 | Jan 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2004 | Total Coliform Rule |
| Jul 1, 2002 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 1, 2003 | Consumer Confidence Rule |
| May 1, 2002 | May 31, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2002 | Total Coliform Rule |
| Jan 1, 2002 | Jan 31, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2002 | Total Coliform Rule |
| Jul 1, 2001 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 1, 2003 | Consumer Confidence Rule |
| Jul 1, 2000 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 1, 2003 | Consumer Confidence Rule |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | 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.