Rough Rock Community High School BIA
Arizona - Non-Transient Non-Community - PWSID: NN0435212
System Information
| PWSID | NN0435212 |
| System Name | Rough Rock Community High School BIA |
| System Type | Non-Transient Non-Community |
| 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 | Chinle |
| ZIP Code | 86503 |
| Address | PO Box 680 |
| Organization | BIA Rough Rock Community School |
| Phone | 9287283795 |
Population & Service
| Population Served | 350 |
| Service Connections | 27 |
Drinking Water Violations (134)
This water system has 134 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2025 | Sep 30, 2025 | MR | No | Yes | - | 0.010 mg/L | - | Archived | Sep 30, 2025 | - | |
| Apr 1, 2025 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | - | 0.010 mg/L | - | Archived | Jun 30, 2025 | - | |
| Mar 1, 2025 | - | RPT | No | No | - | - | - | Resolved | May 6, 2025 | - | |
| Jan 1, 2025 | Mar 31, 2025 | MR | No | Yes | - | 0.010 mg/L | - | Archived | Mar 31, 2025 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Dec 12, 2024 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Sep 30, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 12, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 12, 2024 | - | |
| Jan 1, 2024 | Mar 31, 2024 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Mar 31, 2024 | - | |
| Oct 1, 2023 | - | RPT | No | No | - | - | - | Resolved | Nov 30, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MCL | Yes | No | .0122 MG/L | 0.010 mg/L | - | Resolved | Mar 31, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MCL | Yes | No | .0122 MG/L | 0.010 mg/L | - | Resolved | Mar 31, 2023 | - | |
| Jan 1, 2023 | - | Other | No | No | - | - | - | Resolved | Jan 3, 2023 | - | |
| Jan 1, 2023 | - | Other | No | No | - | - | - | Resolved | Jan 3, 2023 | - | |
| Oct 1, 2022 | Dec 31, 2022 | MCL | Yes | No | .015 MG/L | 0.010 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Oct 1, 2022 | Dec 31, 2022 | MCL | Yes | No | .015 MG/L | 0.010 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Oct 1, 2022 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Oct 1, 2022 | - | RPT | No | No | - | - | - | Resolved | Nov 17, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Jun 30, 2022 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Mar 31, 2022 | - | |
| Nov 1, 2020 | Nov 30, 2020 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2020 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Dec 31, 2020 | - | |
| May 1, 2020 | - | RPT | No | No | - | - | - | Resolved | Jun 19, 2020 | - | |
| Jan 1, 2020 | Mar 31, 2020 | MCL | Yes | No | .0174 MG/L | 0.010 mg/L | - | Resolved | Mar 31, 2020 | - | |
| Jan 1, 2020 | Mar 31, 2020 | MCL | Yes | No | .0174 MG/L | 0.010 mg/L | - | Resolved | Mar 31, 2020 | - | |
| Jan 1, 2020 | Mar 31, 2020 | MCL | Yes | No | .0174 MG/L | 0.010 mg/L | - | Resolved | Mar 31, 2020 | - | |
| Jan 1, 2020 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Oct 1, 2019 | Dec 31, 2019 | MCL | Yes | No | .0339 MG/L | 0.010 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Oct 1, 2019 | Dec 31, 2019 | MCL | Yes | No | .0339 MG/L | 0.010 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Oct 1, 2019 | Dec 31, 2019 | MCL | Yes | No | .0339 MG/L | 0.010 mg/L | - | Resolved | Dec 31, 2019 | - | |
| Oct 1, 2019 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2019 | Sep 30, 2019 | MCL | Yes | No | .033 MG/L | 0.010 mg/L | - | Resolved | Sep 30, 2019 | - | |
| Jul 1, 2019 | Sep 30, 2019 | MCL | Yes | No | .033 MG/L | 0.010 mg/L | - | Resolved | Sep 30, 2019 | - | |
| Jul 1, 2019 | - | Other | No | No | - | - | - | Resolved | Jun 21, 2019 | - | |
| Jul 1, 2019 | - | Other | No | No | - | - | - | Resolved | Jun 21, 2019 | - | |
| Jul 1, 2019 | Sep 30, 2019 | MCL | Yes | No | .033 MG/L | 0.010 mg/L | - | Resolved | Sep 30, 2019 | - | |
| Apr 1, 2019 | Jun 30, 2019 | MCL | Yes | No | .032 MG/L | 0.010 mg/L | - | Resolved | Jun 30, 2019 | - | |
| Apr 1, 2019 | Jun 30, 2019 | MCL | Yes | No | .032 MG/L | 0.010 mg/L | - | Resolved | Jun 30, 2019 | - | |
| Apr 1, 2019 | Jun 30, 2019 | MCL | Yes | No | .032 MG/L | 0.010 mg/L | - | Resolved | Jun 30, 2019 | - | |
| Apr 1, 2017 | Jun 30, 2017 | MCL | Yes | No | .0111 MG/L | 0.010 mg/L | - | Resolved | Jun 30, 2017 | - | |
| Apr 1, 2017 | Jun 30, 2017 | MCL | Yes | No | .0111 MG/L | 0.010 mg/L | - | Resolved | Jun 30, 2017 | - | |
| Apr 1, 2017 | Jun 30, 2017 | MCL | Yes | No | .0111 MG/L | 0.010 mg/L | - | Resolved | Jun 30, 2017 | - | |
| Apr 1, 2017 | - | Other | No | No | - | - | - | Resolved | Dec 4, 2017 | - | |
| Aug 1, 2016 | - | TT | Yes | No | - | - | - | Resolved | Aug 9, 2016 | - | |
| Aug 1, 2016 | - | TT | Yes | No | - | - | - | Resolved | Aug 9, 2016 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MCL | Yes | No | .0134 MG/L | 0.010 mg/L | - | Resolved | Sep 30, 2016 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MCL | Yes | No | .0134 MG/L | 0.010 mg/L | - | Resolved | Sep 30, 2016 | - |
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.