SCUA Lower Peridot
Arizona - Community Water System - PWSID: 090400112
System Information
| PWSID | 090400112 |
| System Name | SCUA Lower Peridot |
| 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 | Mar 25, 2026 |
Location & Contact
| State | Arizona |
| City | San Carlos |
| ZIP Code | 85550 |
| Address | P.O. Box O |
| Organization | San Carlos Apache Tribe |
| Phone | 9284752631 |
Population & Service
| Population Served | 702 |
| Service Connections | 92 |
Drinking Water Violations (510)
This water system has 510 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 24, 2025 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Oct 24, 2025 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Oct 24, 2025 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Oct 24, 2025 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Oct 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Dec 31, 2025 | - | |
| Oct 1, 2025 | Oct 31, 2025 | MON | No | Yes | - | - | - | Archived | Oct 31, 2025 | - | |
| Nov 16, 2024 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Nov 16, 2024 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Jan 27, 2024 | - | Other | No | No | - | - | - | Resolved | Jul 11, 2025 | - | |
| Jan 27, 2024 | - | TT | Yes | No | - | - | - | Resolved | Jul 11, 2025 | - | |
| Jan 19, 2024 | - | TT | Yes | No | - | - | - | Resolved | Jan 22, 2025 | - | |
| Jan 1, 2024 | Mar 31, 2024 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Mar 31, 2024 | - | |
| Jul 1, 2023 | Jul 31, 2023 | MCL | Yes | No | - | - | - | Resolved | Jul 31, 2023 | - | |
| Mar 4, 2023 | - | Other | No | No | - | - | - | Resolved | Jul 1, 2024 | - | |
| Mar 4, 2023 | - | TT | Yes | No | - | - | - | Resolved | Jul 11, 2025 | - | |
| Mar 4, 2023 | - | TT | Yes | No | - | - | - | Resolved | Jul 11, 2025 | - | |
| Mar 4, 2023 | - | TT | Yes | No | - | - | - | Resolved | Oct 13, 2023 | - | |
| Mar 4, 2023 | - | TT | Yes | No | - | - | - | Resolved | Oct 13, 2023 | - | |
| Mar 4, 2023 | - | Other | No | No | - | - | - | Resolved | Jul 1, 2024 | - | |
| Feb 1, 2023 | - | RPT | No | No | - | - | - | Resolved | May 24, 2023 | - | |
| Feb 1, 2023 | - | RPT | No | No | - | - | - | Resolved | May 24, 2023 | - | |
| Feb 1, 2023 | - | RPT | No | No | - | - | - | Resolved | May 24, 2023 | - | |
| Jan 1, 2023 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Aug 1, 2022 | - | MR | No | Yes | - | - | - | Resolved | Oct 7, 2022 | - | |
| Aug 1, 2022 | - | MR | No | Yes | - | - | - | Resolved | Oct 7, 2022 | - | |
| Aug 1, 2022 | - | RPT | No | No | - | - | - | Resolved | Oct 7, 2022 | - | |
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | Dec 13, 2022 | - | |
| Aug 1, 2020 | - | MR | No | Yes | - | - | - | Resolved | Sep 30, 2020 | - | |
| Jun 1, 2019 | - | MR | No | Yes | - | - | - | Resolved | Aug 30, 2019 | - | |
| Jun 1, 2019 | - | MR | No | Yes | - | - | - | Resolved | Aug 30, 2019 | - | |
| Mar 1, 2019 | - | RPT | No | No | - | - | - | Resolved | Jun 6, 2019 | - | |
| Feb 1, 2019 | - | RPT | No | No | - | - | - | Resolved | Jun 6, 2019 | - | |
| Jan 1, 2019 | - | RPT | No | No | - | - | - | Resolved | Jun 6, 2019 | - | |
| Dec 1, 2018 | - | RPT | No | No | - | - | - | Resolved | Apr 20, 2019 | - | |
| Dec 1, 2018 | - | RPT | No | No | - | - | - | Resolved | Apr 20, 2019 | - | |
| Nov 1, 2018 | - | RPT | No | No | - | - | - | Resolved | Apr 20, 2019 | - | |
| Nov 1, 2018 | - | RPT | No | No | - | - | - | Resolved | Apr 20, 2019 | - | |
| Oct 1, 2018 | - | RPT | No | No | - | - | - | Resolved | Apr 20, 2019 | - | |
| Oct 1, 2018 | - | RPT | No | No | - | - | - | Resolved | Apr 20, 2019 | - | |
| Sep 1, 2018 | - | MR | No | Yes | - | - | - | Resolved | Apr 11, 2019 | - | |
| Jul 1, 2016 | - | TT | Yes | No | - | - | - | Resolved | Aug 30, 2016 | - | |
| Mar 1, 2016 | Mar 31, 2016 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2016 | - | |
| Nov 1, 2015 | Nov 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2015 | - | |
| Oct 1, 2015 | Oct 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2015 | - | |
| Jul 1, 2015 | - | Other | No | No | - | - | - | Resolved | Jul 30, 2016 | - | |
| Jul 1, 2015 | - | Other | No | No | - | - | - | Resolved | Jul 30, 2016 | - | |
| Jun 1, 2015 | Jun 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2015 | - | |
| Jun 1, 2015 | Jun 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2015 | - | |
| Apr 1, 2015 | Apr 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2015 | - | |
| Apr 1, 2015 | Apr 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2015 | - |
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.