Second Mesa Day School - BIA
Arizona — Community Water System — PWSID: 090400057
System Information
| PWSID | 090400057 |
| System Name | Second Mesa Day School - BIA |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Federal |
| EPA Region | 09 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Aug 21, 2007 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Arizona |
| City | Second Mesa |
| ZIP Code | 86043 |
| Address | PO Box 98 |
| Organization | Second Mesa Day School |
| Phone | — |
Population & Service
| Population Served | 255 |
| Service Connections | 16 |
Drinking Water Violations (178)
This water system has 178 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | 4.0 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jul 1, 2025 | Sep 30, 2025 | MR | No | Yes | — | 4.0 mg/L | — | Archived | Sep 30, 2025 | — | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .0102 MG/L | 0.010 mg/L | — | Resolved | Mar 31, 2025 | — | |
| Jan 1, 2025 | — | Other | No | No | — | — | — | Resolved | Aug 8, 2025 | — | |
| Jan 1, 2025 | — | Other | No | No | — | — | — | Resolved | Aug 8, 2025 | — | |
| Jan 1, 2025 | — | Other | No | No | — | — | — | Resolved | Aug 8, 2025 | — | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .0102 MG/L | 0.010 mg/L | — | Resolved | Mar 31, 2025 | — | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .0102 MG/L | 0.010 mg/L | — | Resolved | Mar 31, 2025 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .0112 MG/L | 0.010 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .0112 MG/L | 0.010 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .0112 MG/L | 0.010 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .0109 MG/L | 0.010 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Jul 1, 2024 | — | Other | No | No | — | — | — | Resolved | Jun 23, 2025 | — | |
| Jul 1, 2024 | — | Other | No | No | — | — | — | Resolved | May 1, 2025 | — | |
| Jul 1, 2024 | — | Other | No | No | — | — | — | Resolved | May 1, 2025 | — | |
| Jun 1, 2024 | Jun 30, 2024 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2024 | — | |
| Jun 1, 2024 | — | Other | No | No | — | — | — | Resolved | Jul 1, 2025 | — | |
| Apr 1, 2024 | — | Other | No | No | — | — | — | Resolved | May 1, 2025 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | .0104 MG/L | 0.010 mg/L | — | Resolved | Jun 30, 2024 | — | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Jul 1, 2022 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Jul 1, 2021 | Sep 30, 2021 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 29, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2021 | — | |
| Jan 1, 2020 | Mar 31, 2020 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2020 | — | |
| Oct 1, 2019 | Dec 31, 2019 | MCL | Yes | No | .0111 MG/L | 0.010 mg/L | — | Resolved | Dec 31, 2019 | — | |
| Jul 1, 2019 | Sep 30, 2019 | MCL | Yes | No | .0117 MG/L | 0.010 mg/L | — | Resolved | Sep 30, 2019 | — | |
| Apr 1, 2019 | Jun 30, 2019 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | — | Resolved | Jun 30, 2019 | — | |
| Jan 1, 2019 | Mar 31, 2019 | MCL | Yes | No | .0112 MG/L | 0.010 mg/L | — | Resolved | Mar 31, 2019 | — | |
| Jul 1, 2018 | Sep 30, 2018 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Sep 30, 2018 | — | |
| Apr 1, 2017 | Jun 30, 2017 | MCL | Yes | No | .0136 MG/L | 0.010 mg/L | — | Resolved | Jun 30, 2017 | — | |
| Jan 1, 2017 | Mar 31, 2017 | MCL | Yes | No | .0182 MG/L | 0.010 mg/L | — | Resolved | Mar 31, 2017 | — | |
| Oct 1, 2016 | Dec 31, 2016 | MCL | Yes | No | .0134 MG/L | 0.010 mg/L | — | Resolved | Dec 31, 2016 | — | |
| Aug 1, 2016 | Aug 31, 2016 | MON | No | Yes | — | — | — | Resolved | Aug 31, 2016 | — | |
| Jun 1, 2016 | Jun 30, 2016 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2016 | — | |
| Apr 1, 2016 | Jun 30, 2016 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2016 | — | |
| Jan 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Jan 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2014 | Oct 31, 2014 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2014 | — | |
| Jan 1, 2014 | Dec 31, 2014 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Jan 1, 2014 | Dec 31, 2014 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Jul 1, 2013 | Sep 30, 2013 | MCL | Yes | No | .0275 MG/L | 0.010 mg/L | — | Resolved | Sep 30, 2013 | — | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Sep 30, 2013 | — | |
| Jul 1, 2013 | Sep 30, 2013 | MCL | Yes | No | .0275 MG/L | 0.010 mg/L | — | Resolved | Sep 30, 2013 | — | |
| Jul 1, 2013 | — | Other | No | No | — | — | — | Resolved | Mar 30, 2017 | — | |
| Apr 1, 2013 | Jun 30, 2013 | MCL | Yes | No | .0275 MG/L | 0.010 mg/L | — | Resolved | Jun 30, 2013 | — | |
| Apr 1, 2013 | Jun 30, 2013 | MCL | Yes | No | .0275 MG/L | 0.010 mg/L | — | Resolved | Jun 30, 2013 | — | |
| Apr 1, 2013 | — | Other | No | No | — | — | — | Resolved | Jan 5, 2016 | — | |
| Jan 1, 2013 | Mar 31, 2013 | MCL | Yes | No | .02895 MG/L | 0.010 mg/L | — | Resolved | Mar 31, 2013 | — | |
| Jan 1, 2013 | Mar 31, 2013 | MCL | Yes | No | .02895 MG/L | 0.010 mg/L | — | Resolved | Mar 31, 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.