Sawmill NTUA
Arizona — Community Water System — PWSID: NN0403025
System Information
| PWSID | NN0403025 |
| System Name | Sawmill 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 2, 1984 |
| 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 | 838 |
| Service Connections | 245 |
Drinking Water Violations (64)
This water system has 64 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, 2024 | Dec 31, 2024 | MR | No | No | — | TT | — | Resolved | Sep 25, 2024 | — | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | No | — | TT | — | Resolved | Sep 25, 2024 | — | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | No | — | TT | — | Resolved | Sep 25, 2024 | — | |
| Jan 1, 2020 | — | MR | No | No | — | TT | — | Resolved | Aug 25, 2020 | — | |
| Jan 1, 2020 | — | MR | No | No | — | TT | — | Resolved | Aug 25, 2020 | — | |
| Jan 1, 2020 | — | MR | No | No | — | TT | — | Resolved | Aug 25, 2020 | — | |
| Apr 1, 2016 | — | Other | No | No | — | — | — | Resolved | Sep 30, 2025 | — | |
| Apr 1, 2016 | — | Other | No | No | — | — | — | Resolved | Sep 30, 2025 | — | |
| Jan 1, 2016 | Dec 31, 2016 | MR | No | No | — | TT | — | Resolved | Aug 9, 2016 | — | |
| Jan 1, 2016 | Dec 31, 2016 | MR | No | No | — | TT | — | Resolved | Aug 9, 2016 | — | |
| Jan 1, 2015 | — | MR | No | No | — | TT | — | Resolved | Aug 7, 2015 | — | |
| Jan 1, 2015 | — | MR | No | No | — | TT | — | Resolved | Aug 7, 2015 | — | |
| Jan 1, 2015 | — | MR | No | No | — | TT | — | Resolved | Aug 7, 2015 | — | |
| Oct 1, 2013 | — | MR | No | Yes | — | — | — | Resolved | Feb 18, 2025 | — | |
| Oct 1, 2013 | — | MR | No | Yes | — | — | — | Resolved | Feb 18, 2025 | — | |
| Oct 1, 2013 | — | MR | No | Yes | — | — | — | Resolved | Feb 18, 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 | — | |
| Jun 1, 2010 | Jun 30, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2010 | — | |
| Jan 1, 2010 | Dec 31, 2010 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jun 1, 2002 | Jun 30, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2002 | — | |
| Jun 1, 2002 | Jun 30, 2002 | MR | No | No | — | 5% of samples | — | Archived | Jun 30, 2002 | — | |
| May 1, 2002 | May 31, 2002 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2002 | — | |
| May 1, 2002 | May 31, 2002 | MR | No | No | — | 5% of samples | — | Archived | May 31, 2002 | — | |
| Apr 1, 2002 | Apr 30, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2002 | — | |
| Apr 1, 2002 | Apr 30, 2002 | MR | No | No | — | 5% of samples | — | Archived | Apr 30, 2002 | — | |
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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.