Chinle High School
Arizona - Non-Transient Non-Community - PWSID: NN0403062
System Information
| PWSID | NN0403062 |
| System Name | Chinle High School |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 09 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Feb 2, 1984 |
| Last Reported | Jun 23, 2026 |
Location & Contact
| State | Arizona |
| City | Chinle |
| ZIP Code | 86503 |
| Address | Chinle Unified School District #24 |
| Organization | Chinle Unified School District #24 |
| Phone | 9286749701 |
Population & Service
| Population Served | 975 |
| Service Connections | 8 |
Drinking Water Violations (259)
This water system has 259 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 1, 2025 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Mar 1, 2025 | Mar 31, 2025 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2025 | - | |
| Mar 1, 2025 | Mar 31, 2025 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2025 | - | |
| Mar 1, 2025 | Mar 31, 2025 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2025 | - | |
| Feb 1, 2025 | Feb 28, 2025 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2025 | - | |
| Feb 1, 2025 | Feb 28, 2025 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2025 | - | |
| Feb 1, 2025 | Feb 28, 2025 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2025 | - | |
| Jan 1, 2025 | Mar 31, 2025 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Mar 31, 2025 | - | |
| Dec 1, 2024 | - | RPT | No | No | - | - | - | Resolved | Feb 14, 2025 | - | |
| Apr 1, 2024 | - | RPT | No | No | - | - | - | Resolved | Aug 9, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Oct 1, 2023 | - | RPT | No | No | - | - | - | Resolved | Nov 27, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Aug 16, 2023 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2023 | Jul 31, 2023 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2023 | - | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jul 1, 2022 | Sep 30, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2022 | - | |
| Jul 1, 2022 | Sep 30, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2022 | - | |
| May 1, 2022 | - | RPT | No | No | - | - | - | Resolved | Jul 19, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2022 | - | |
| Mar 1, 2022 | - | RPT | No | No | - | - | - | Resolved | Apr 27, 2022 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2022 | - | |
| Dec 1, 2021 | Dec 31, 2021 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Aug 1, 2021 | Aug 31, 2021 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2021 | - | |
| Jun 1, 2021 | - | RPT | No | No | - | - | - | Resolved | Jul 21, 2021 | - | |
| Jan 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Jan 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Jan 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Jan 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Jan 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Jan 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Aug 1, 2020 | - | RPT | No | No | - | - | - | Resolved | Sep 16, 2020 | - | |
| Jul 1, 2020 | - | RPT | No | No | - | - | - | Resolved | Sep 16, 2020 | - | |
| Jun 1, 2020 | - | RPT | No | No | - | - | - | Resolved | Aug 6, 2020 | - | |
| May 1, 2020 | - | RPT | No | No | - | - | - | Resolved | Aug 6, 2020 | - | |
| Apr 1, 2020 | - | RPT | No | No | - | - | - | Resolved | Aug 6, 2020 | - | |
| Mar 1, 2020 | - | RPT | No | No | - | - | - | Resolved | May 27, 2020 | - | |
| Feb 1, 2020 | - | RPT | No | No | - | - | - | Resolved | May 27, 2020 | - | |
| Jan 1, 2020 | - | RPT | No | No | - | - | - | Resolved | Feb 24, 2020 | - | |
| Dec 1, 2019 | - | RPT | No | No | - | - | - | Resolved | Feb 24, 2020 | - | |
| Nov 1, 2019 | - | RPT | No | No | - | - | - | Resolved | Feb 24, 2020 | - | |
| Oct 1, 2019 | - | RPT | No | No | - | - | - | Resolved | Feb 24, 2020 | - | |
| Sep 1, 2019 | Sep 30, 2019 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2019 | - |
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.