NORTHERN SECTION 4 COOP
Arizona - Community Water System - PWSID: AZ0411201
System Information
| PWSID | AZ0411201 |
| System Name | NORTHERN SECTION 4 COOP |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Mixed |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 18, 1992 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | Arizona |
| City | APACHE JUNCTION |
| ZIP Code | 85119 |
| Address | 4925 N. Cactus Rd. |
| Organization | DEWEESE-QUIROZ, NICOLE |
| Phone | 480-622-9716 |
Population & Service
| Population Served | 48 |
| Service Connections | 18 |
Drinking Water Violations (350)
This water system has 350 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 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Oct 1, 2025 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Jul 25, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jun 1, 2024 | Jun 30, 2024 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2024 | - | |
| Jun 1, 2024 | Jun 30, 2024 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2024 | - | |
| Jun 1, 2024 | Jun 30, 2024 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2024 | - | |
| Mar 1, 2024 | - | RPT | No | No | - | - | - | Resolved | Apr 22, 2024 | - | |
| Mar 1, 2024 | - | RPT | No | No | - | - | - | Resolved | Apr 22, 2024 | - | |
| Oct 2, 2023 | - | Other | No | No | - | - | - | Resolved | Jul 5, 2023 | - | |
| Oct 2, 2023 | - | Other | No | No | - | - | - | Resolved | Jul 5, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Jun 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Jun 30, 2022 | - | |
| Jan 28, 2022 | - | Other | No | No | - | - | - | Resolved | Jun 22, 2021 | - | |
| Jan 28, 2022 | - | Other | No | No | - | - | - | Resolved | Jun 22, 2021 | - | |
| Jun 1, 2021 | - | RPT | No | No | - | - | - | Resolved | Jul 28, 2021 | - | |
| Jun 1, 2021 | - | RPT | No | No | - | - | - | Resolved | Jul 28, 2021 | - | |
| Dec 1, 2020 | Dec 31, 2020 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2020 | - | |
| Dec 1, 2020 | Dec 31, 2020 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2020 | - | |
| Dec 1, 2020 | Dec 31, 2020 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2020 | - | |
| Dec 1, 2020 | Dec 31, 2020 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2020 | - | |
| Jan 1, 2017 | Dec 31, 2017 | MCL | Yes | No | 11.6 MG/L | 10 mg/L | - | Resolved | Dec 31, 2017 | - | |
| Jan 1, 2017 | Dec 31, 2017 | MR | No | No | - | 10 mg/L | - | Resolved | Dec 31, 2017 | - | |
| Jan 1, 2017 | Mar 31, 2017 | MR | No | Yes | - | 30 ug/L | - | Resolved | Mar 31, 2017 | - | |
| Jan 1, 2017 | Dec 31, 2017 | MCL | Yes | No | 11.6 MG/L | 10 mg/L | - | Resolved | Dec 31, 2017 | - | |
| Jan 1, 2017 | Dec 31, 2017 | MR | No | No | - | 10 mg/L | - | Resolved | Dec 31, 2017 | - | |
| Jan 1, 2017 | Dec 31, 2017 | MCL | Yes | No | 11.6 MG/L | 10 mg/L | - | Resolved | Dec 31, 2017 | - | |
| Jan 1, 2017 | Mar 31, 2017 | MR | No | Yes | - | 30 ug/L | - | Resolved | Mar 31, 2017 | - | |
| Oct 1, 2016 | - | Other | No | No | - | - | - | Resolved | Mar 10, 2017 | - | |
| Oct 1, 2016 | - | MR | No | No | - | TT | - | Resolved | Jul 6, 2017 | - | |
| Oct 1, 2016 | - | Other | No | No | - | - | - | Resolved | Mar 10, 2017 | - | |
| Oct 1, 2016 | - | MR | No | No | - | TT | - | Resolved | Jul 6, 2017 | - | |
| Aug 1, 2016 | Aug 31, 2016 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2016 | - | |
| Aug 1, 2016 | Aug 31, 2016 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2016 | - | |
| Jul 1, 2016 | - | Other | No | No | - | - | - | Resolved | Oct 17, 2016 | - | |
| Jul 1, 2016 | - | Other | No | No | - | - | - | Resolved | Oct 17, 2016 | - | |
| Jan 1, 2016 | Dec 31, 2016 | MCL | Yes | No | 27.7 MG/L | 10 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2016 | Dec 31, 2016 | MCL | Yes | No | 27.7 MG/L | 10 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2016 | Dec 31, 2016 | MCL | Yes | No | 27.7 MG/L | 10 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2016 | Dec 31, 2016 | MCL | Yes | No | 27.7 MG/L | 10 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Oct 1, 2015 | - | Other | No | No | - | - | - | Resolved | Dec 4, 2015 | - | |
| Sep 1, 2015 | Sep 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2015 | - | |
| Sep 1, 2015 | Sep 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2015 | - | |
| Jan 1, 2015 | Mar 31, 2015 | MR | No | Yes | - | - | - | Resolved | Mar 31, 2015 | - | |
| Jan 1, 2015 | Jan 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2015 | - | |
| Jan 1, 2015 | Mar 31, 2015 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Mar 31, 2015 | - | |
| Jan 1, 2015 | Mar 31, 2015 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Mar 31, 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.