ST JOHNS CITY OF
Arizona - Community Water System - PWSID: AZ0401012
System Information
| PWSID | AZ0401012 |
| System Name | ST JOHNS CITY OF |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 24, 1980 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | Arizona |
| City | SAINT JOHNS |
| ZIP Code | 85936 |
| Address | - |
| Organization | ST JOHNS CITY OF |
| Phone | 928-245-3651 |
Population & Service
| Population Served | 3,500 |
| Service Connections | 1,275 |
Drinking Water Violations (270)
This water system has 270 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 | - | 5 pCi/L | - | Archived | Dec 31, 2025 | - | |
| Oct 1, 2025 | Oct 31, 2025 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Oct 31, 2025 | - | |
| Jul 2, 2025 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Resolved | Oct 10, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Sep 30, 2025 | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Resolved | Oct 10, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Sep 30, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Oct 24, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Oct 24, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Oct 24, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Oct 24, 2025 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Dec 31, 2023 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Jun 1, 2023 | - | |
| Jan 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Jun 1, 2023 | - | |
| Oct 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Nov 25, 2022 | - | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Oct 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Nov 25, 2022 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Jan 1, 2021 | Mar 31, 2021 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2021 | - | |
| Jan 1, 2021 | Mar 31, 2021 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2021 | - | |
| Nov 1, 2020 | - | RPT | No | No | - | - | - | Resolved | Nov 11, 2020 | - | |
| Nov 1, 2020 | - | RPT | No | No | - | - | - | Resolved | Nov 11, 2020 | - | |
| Aug 1, 2020 | - | RPT | No | No | - | - | - | Resolved | Aug 11, 2020 | - | |
| Aug 1, 2020 | - | RPT | No | No | - | - | - | Resolved | Aug 11, 2020 | - | |
| Apr 1, 2020 | Jun 30, 2020 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2020 | - | |
| Apr 1, 2020 | Jun 30, 2020 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Jun 30, 2020 | - | |
| Apr 1, 2020 | Jun 30, 2020 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Jun 30, 2020 | - | |
| Apr 1, 2020 | Jun 30, 2020 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2020 | - | |
| Jan 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Jan 22, 2020 | - | |
| Jan 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Jan 22, 2020 | - | |
| Oct 2, 2019 | - | Other | No | No | - | - | - | Resolved | Dec 19, 2019 | - | |
| Oct 2, 2019 | - | Other | No | No | - | - | - | Resolved | Dec 19, 2019 | - | |
| Oct 2, 2019 | - | Other | No | No | - | - | - | Resolved | Dec 19, 2019 | - | |
| Oct 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Oct 30, 2019 | - | |
| Oct 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Oct 30, 2019 | - | |
| Jul 1, 2019 | - | Other | No | No | - | - | - | Resolved | Jul 1, 2020 | - | |
| Jul 1, 2019 | - | Other | No | No | - | - | - | Resolved | Jul 1, 2020 | - | |
| Apr 1, 2019 | Jun 30, 2019 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Jun 30, 2019 | - | |
| Apr 1, 2019 | Jun 30, 2019 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Jun 30, 2019 | - | |
| Jan 1, 2019 | Mar 31, 2019 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2019 | - | |
| Jan 1, 2019 | Mar 31, 2019 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2019 | - | |
| Aug 1, 2018 | Aug 31, 2018 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2018 | - | |
| Aug 1, 2018 | Aug 31, 2018 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2018 | - | |
| Apr 1, 2018 | Jun 30, 2018 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Jun 30, 2018 | - | |
| Apr 1, 2018 | Jun 30, 2018 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Jun 30, 2018 | - |
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.