Casa Del Eco Mesa NTUA
Arizona - Community Water System - PWSID: NN4903074
System Information
| PWSID | NN4903074 |
| System Name | Casa Del Eco Mesa NTUA |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Native American |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 23, 2006 |
| Last Reported | Dec 31, 2025 |
Location & Contact
| State | Arizona |
| City | Ft Defiance |
| ZIP Code | 86504 |
| Address | Office of Deputy General Manager |
| Organization | Navajo Tribal Utility Authority |
| Phone | 9287296277 |
Population & Service
| Population Served | 211 |
| Service Connections | 55 |
Drinking Water Violations (139)
This water system has 139 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2016 | - | Other | No | No | - | - | - | Resolved | Mar 7, 2025 | - | |
| Apr 1, 2016 | - | Other | No | No | - | - | - | Resolved | Mar 7, 2025 | - | |
| Oct 1, 2013 | - | MR | No | Yes | - | - | - | Resolved | Feb 10, 2025 | - | |
| Oct 1, 2013 | - | MR | No | Yes | - | - | - | Resolved | Feb 10, 2025 | - | |
| Oct 1, 2013 | - | MR | No | Yes | - | - | - | Resolved | Feb 10, 2025 | - | |
| 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 | - | |
| Nov 1, 2012 | Nov 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2012 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Jun 4, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Jun 4, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Jun 4, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.6 mg/L | - | Resolved | Jun 26, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.075 mg/L | - | Resolved | Jun 26, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 26, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 26, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Jun 4, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 26, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 26, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.04 mg/L | - | Resolved | Jun 4, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Jun 4, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Jun 4, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 26, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 1 mg/L | - | Resolved | Jun 26, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Jun 26, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Jun 4, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Jun 4, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Jun 26, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Jun 26, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Jun 26, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Jun 4, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Jun 4, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Jun 4, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | - | - | Resolved | Jun 4, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Jun 26, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Jun 26, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Jun 4, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 26, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Jun 4, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 26, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Jun 26, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.0004 mg/L | - | Resolved | Jun 4, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Jun 4, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.4 mg/L | - | Resolved | Jun 4, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.00000003 mg/L | - | Resolved | Jun 4, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.02 mg/L | - | Resolved | Jun 4, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Jun 4, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Jun 26, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Jun 26, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.0005 mg/L | - | Resolved | Jun 4, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Jun 26, 2013 | - |
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.