GOWAN MILLING LLC
Arizona - Non-Transient Non-Community - PWSID: AZ0414513
System Information
| PWSID | AZ0414513 |
| System Name | GOWAN MILLING LLC |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Aug 18, 2010 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | Arizona |
| City | SOMERTON |
| ZIP Code | 85350 |
| Address | 2277 W COUNTY 16 1/4 ST |
| Organization | MAGANA, STEVEN S |
| Phone | 928-317-5825 |
Population & Service
| Population Served | 350 |
| Service Connections | 27 |
Drinking Water Violations (89)
This water system has 89 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 15, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Oct 1, 2025 | Dec 31, 2025 | MON | No | Yes | - | - | - | Archived | Dec 31, 2025 | - | |
| Oct 1, 2025 | - | MR | No | No | - | TT | - | Resolved | Nov 20, 2025 | - | |
| Oct 1, 2025 | - | MR | No | No | - | TT | - | Resolved | Nov 20, 2025 | - | |
| Feb 28, 2025 | - | TT | Yes | No | - | - | - | Resolved | May 19, 2025 | - | |
| Feb 28, 2025 | - | TT | Yes | No | - | - | - | Resolved | May 19, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Oct 28, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Oct 28, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Oct 28, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Oct 28, 2025 | - | |
| Dec 20, 2024 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Addressed | - | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Addressed | - | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Addressed | - | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Addressed | - | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Addressed | - | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Addressed | - | - | |
| Oct 1, 2024 | Dec 31, 2024 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2024 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2024 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2024 | - | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2024 | - | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2024 | - | |
| Jan 1, 2024 | Mar 31, 2024 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2024 | - | |
| Jan 1, 2024 | Mar 31, 2024 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2024 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2023 | - | |
| Jul 1, 2022 | Sep 30, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2022 | - | |
| Jul 1, 2022 | Sep 30, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2022 | - | |
| Mar 1, 2021 | - | RPT | No | No | - | - | - | Resolved | May 11, 2021 | - | |
| Mar 1, 2021 | - | RPT | No | No | - | - | - | Resolved | May 11, 2021 | - | |
| Jan 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Feb 19, 2021 | - | |
| Jan 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Feb 19, 2021 | - | |
| Jan 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Feb 19, 2021 | - | |
| Sep 1, 2020 | Aug 31, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2021 | - | |
| Sep 1, 2020 | Aug 31, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2021 | - | |
| Sep 1, 2020 | Aug 31, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2021 | - | |
| Sep 1, 2020 | - | RPT | No | No | - | - | - | Resolved | Nov 20, 2020 | - | |
| Sep 1, 2020 | - | RPT | No | No | - | - | - | Resolved | Nov 20, 2020 | - | |
| Sep 1, 2020 | Aug 31, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2021 | - | |
| Sep 1, 2020 | Aug 31, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2021 | - | |
| Sep 1, 2020 | Aug 31, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2021 | - | |
| Sep 1, 2020 | Aug 31, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2021 | - | |
| Sep 1, 2020 | Aug 31, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2021 | - | |
| 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 | - | 4.0 mg/L | - | Resolved | Jun 30, 2020 | - | |
| Sep 1, 2019 | Aug 31, 2020 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2020 | - | |
| Sep 1, 2019 | Aug 31, 2020 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2020 | - | |
| Sep 1, 2019 | Aug 31, 2020 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2020 | - | |
| Sep 1, 2019 | Aug 31, 2020 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2020 | - | |
| Nov 3, 2017 | - | MR | No | No | - | TT | - | Resolved | Nov 14, 2019 | - |
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.