St Michael Indian School
Arizona - Non-Transient Non-Community - PWSID: NN0400380
System Information
| PWSID | NN0400380 |
| System Name | St Michael Indian School |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Feb 2, 1984 |
| Last Reported | Jun 23, 2026 |
Location & Contact
| State | Arizona |
| City | St Michaels |
| ZIP Code | 86511 |
| Address | PO Box 650 |
| Organization | St Michael Indian School |
| Phone | 5059795590 |
Population & Service
| Population Served | 585 |
| Service Connections | 38 |
Drinking Water Violations (1,219)
This water system has 1,219 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 1, 2025 | Sep 30, 2025 | MON | No | Yes | - | - | - | Resolved | Sep 8, 2025 | - | |
| Aug 1, 2025 | Aug 31, 2025 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2025 | - | |
| Jul 1, 2025 | - | RPT | No | No | - | - | - | Resolved | Jul 30, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jul 30, 2025 | - | |
| Jun 1, 2025 | - | RPT | No | No | - | - | - | Resolved | Jul 16, 2025 | - | |
| May 1, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| May 1, 2025 | May 31, 2025 | MON | No | Yes | - | - | - | Archived | May 31, 2025 | - | |
| Apr 1, 2025 | - | RPT | No | No | - | - | - | Resolved | Jul 16, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2025 | - | |
| Mar 1, 2025 | - | Other | No | No | - | - | - | Resolved | Oct 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 | - | |
| 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 | - | Other | No | No | - | - | - | Resolved | Oct 31, 2025 | - | |
| Feb 1, 2025 | Feb 28, 2025 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2025 | - | |
| Jan 1, 2025 | Jan 31, 2025 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2025 | - | |
| Jan 1, 2025 | Mar 31, 2025 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2025 | - | |
| Jan 1, 2025 | Jan 31, 2025 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2025 | - | |
| Jan 1, 2025 | Jan 31, 2025 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2025 | - | |
| Jan 1, 2025 | Mar 31, 2025 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2025 | - | |
| Jan 1, 2025 | - | Other | No | No | - | - | - | Resolved | Oct 31, 2025 | - | |
| Dec 1, 2024 | Dec 31, 2024 | MON | No | Yes | - | - | - | Resolved | Sep 8, 2024 | - | |
| Dec 1, 2024 | - | Other | No | No | - | - | - | Resolved | Sep 8, 2024 | - | |
| Dec 1, 2024 | Dec 31, 2024 | MON | No | Yes | - | - | - | Resolved | Sep 8, 2024 | - | |
| Dec 1, 2024 | - | Other | No | No | - | - | - | Resolved | Sep 8, 2024 | - | |
| Dec 1, 2024 | Dec 31, 2024 | MON | No | Yes | - | - | - | Resolved | Sep 8, 2024 | - | |
| Nov 1, 2024 | Nov 30, 2024 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2024 | - | |
| Nov 1, 2024 | - | Other | No | No | - | - | - | Resolved | Oct 31, 2025 | - | |
| Nov 1, 2024 | Nov 30, 2024 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2024 | - | |
| Nov 1, 2024 | Nov 30, 2024 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2024 | - | |
| Nov 1, 2024 | - | Other | No | No | - | - | - | Resolved | Oct 31, 2025 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Nov 23, 2024 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Nov 23, 2024 | - | |
| Sep 1, 2024 | Sep 30, 2024 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2024 | - | |
| Sep 1, 2024 | - | Other | No | No | - | - | - | Resolved | Oct 31, 2025 | - | |
| Sep 1, 2024 | - | Other | No | No | - | - | - | Resolved | Oct 31, 2025 | - | |
| Aug 1, 2024 | - | RPT | No | No | - | - | - | Resolved | Nov 3, 2024 | - | |
| Jul 1, 2024 | - | RPT | No | No | - | - | - | Resolved | Nov 8, 2024 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2024 | - | |
| Jun 1, 2024 | - | Other | No | No | - | - | - | Resolved | Oct 31, 2025 | - | |
| Jun 1, 2024 | - | Other | No | No | - | - | - | Resolved | Oct 31, 2025 | - | |
| Jun 1, 2024 | Jun 30, 2024 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2024 | - | |
| May 1, 2024 | - | Other | No | No | - | - | - | Resolved | Oct 31, 2025 | - | |
| May 1, 2024 | May 31, 2024 | MON | No | Yes | - | - | - | Resolved | May 31, 2024 | - | |
| May 1, 2024 | - | Other | No | No | - | - | - | Resolved | Oct 31, 2025 | - | |
| Apr 1, 2024 | - | Other | No | No | - | - | - | Resolved | Oct 31, 2025 | - | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2024 | - | |
| Apr 1, 2024 | - | Other | No | No | - | - | - | Resolved | Oct 31, 2025 | - |
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.