CITY OF WILLCOX
Arizona - Community Water System - PWSID: AZ0402035
System Information
| PWSID | AZ0402035 |
| System Name | CITY OF WILLCOX |
| 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 | Oct 5, 1979 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | Arizona |
| City | WILLCOX |
| ZIP Code | 85643 |
| Address | 101 S RAILROAD AVE STE B |
| Organization | FINLEY, DAKOTA |
| Phone | 520-384-4271 |
Population & Service
| Population Served | 3,236 |
| Service Connections | 1,806 |
Drinking Water Violations (220)
This water system has 220 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Oct 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Aug 16, 2024 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Oct 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Aug 16, 2024 | - | |
| Oct 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Aug 16, 2024 | - | |
| Oct 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Aug 16, 2024 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Sep 1, 2023 | - | RPT | No | No | - | - | - | Resolved | Oct 17, 2023 | - | |
| Sep 1, 2023 | - | RPT | No | No | - | - | - | Resolved | Oct 17, 2023 | - | |
| Sep 1, 2023 | - | RPT | No | No | - | - | - | Resolved | Oct 17, 2023 | - | |
| Aug 1, 2023 | - | RPT | No | No | - | - | - | Resolved | Oct 17, 2023 | - | |
| Aug 1, 2023 | - | RPT | No | No | - | - | - | Resolved | Oct 17, 2023 | - | |
| Aug 1, 2023 | - | RPT | No | No | - | - | - | Resolved | Oct 17, 2023 | - | |
| 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, 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 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Apr 29, 2022 | - | Other | No | No | - | - | - | Resolved | Aug 31, 2023 | - | |
| Apr 29, 2022 | - | Other | No | No | - | - | - | Resolved | Aug 31, 2023 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2022 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2022 | - | |
| Sep 1, 2021 | Aug 31, 2022 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Sep 1, 2021 | Aug 31, 2022 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Sep 1, 2021 | Aug 31, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Sep 1, 2021 | Aug 31, 2022 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Sep 1, 2021 | Aug 31, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Sep 1, 2021 | Aug 31, 2022 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Sep 1, 2021 | Aug 31, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Sep 1, 2021 | Aug 31, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Jul 1, 2021 | - | Other | No | No | - | - | - | Resolved | Jun 21, 2022 | - | |
| Jul 1, 2021 | - | Other | No | No | - | - | - | Resolved | Jun 21, 2022 | - | |
| Mar 1, 2021 | - | RPT | No | No | - | - | - | Resolved | May 11, 2021 | - | |
| Mar 1, 2021 | - | RPT | No | No | - | - | - | Resolved | May 11, 2021 | - | |
| Oct 1, 2020 | Oct 31, 2020 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2020 | - | |
| Oct 1, 2020 | Oct 31, 2020 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2020 | - | |
| Jul 1, 2020 | Jul 31, 2020 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2020 | - | |
| Jul 1, 2020 | Jul 31, 2020 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2020 | - | |
| Jul 1, 2020 | Jul 31, 2020 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2020 | - |
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.