WILLIAMS CITY OF
Arizona - Community Water System - PWSID: AZ0403026
System Information
| PWSID | AZ0403026 |
| System Name | WILLIAMS CITY OF |
| System Type | Community Water System |
| Water Source | Surface 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 | WILLIAMS |
| ZIP Code | 86046 |
| Address | 113 S. First Street |
| Organization | DENT, D |
| Phone | 928-635-4451 |
Population & Service
| Population Served | 3,145 |
| Service Connections | 1,883 |
Drinking Water Violations (319)
This water system has 319 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | - | - | Archived | Dec 31, 2025 | - | |
| Dec 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | - | - | Archived | Dec 31, 2025 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MCL | Yes | No | .019 MG/L | 0.010 mg/L | .01 | Archived | Dec 31, 2025 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MCL | Yes | No | .019 MG/L | 0.010 mg/L | .01 | Archived | Dec 31, 2025 | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Resolved | Aug 8, 2025 | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Resolved | Aug 8, 2025 | - | |
| May 1, 2025 | May 31, 2025 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | May 31, 2025 | - | |
| May 1, 2025 | May 31, 2025 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | May 31, 2025 | - | |
| Oct 2, 2023 | - | Other | No | No | - | - | - | Resolved | Sep 30, 2024 | - | |
| Oct 2, 2023 | - | Other | No | No | - | - | - | Resolved | Sep 30, 2024 | - | |
| May 1, 2023 | May 31, 2023 | TT | Yes | No | - | - | - | Resolved | May 31, 2023 | - | |
| May 1, 2023 | May 31, 2023 | TT | Yes | No | - | - | - | Resolved | May 31, 2023 | - | |
| May 1, 2023 | May 31, 2023 | TT | Yes | No | - | - | - | Resolved | May 31, 2023 | - | |
| May 1, 2023 | May 31, 2023 | TT | Yes | No | - | - | - | Resolved | May 31, 2023 | - | |
| Apr 1, 2023 | Apr 30, 2023 | TT | Yes | No | - | - | - | Resolved | Apr 30, 2023 | - | |
| Apr 1, 2023 | Apr 30, 2023 | TT | Yes | No | - | - | - | Resolved | Apr 30, 2023 | - | |
| Apr 1, 2023 | Apr 30, 2023 | TT | Yes | No | - | - | - | Resolved | Apr 30, 2023 | - | |
| Apr 1, 2023 | Apr 30, 2023 | TT | Yes | No | - | - | - | Resolved | Apr 30, 2023 | - | |
| Jan 31, 2023 | - | Other | No | No | - | - | - | Resolved | May 8, 2023 | - | |
| Jan 31, 2023 | - | Other | No | No | - | - | - | Resolved | May 8, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | Yes | - | TT | - | Resolved | Mar 31, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | Yes | - | TT | - | Resolved | Mar 31, 2023 | - | |
| Oct 2, 2022 | - | Other | No | No | - | - | - | Resolved | Oct 21, 2022 | - | |
| Oct 2, 2022 | - | Other | No | No | - | - | - | Resolved | Oct 21, 2022 | - | |
| Oct 1, 2022 | Dec 31, 2022 | TT | Yes | No | .88 RATIO | TT | - | Resolved | Dec 31, 2022 | - | |
| Oct 1, 2022 | Dec 31, 2022 | TT | Yes | No | .88 RATIO | TT | - | Resolved | Dec 31, 2022 | - | |
| Oct 1, 2022 | Dec 31, 2022 | TT | Yes | No | .88 RATIO | TT | - | Resolved | Dec 31, 2022 | - | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | TT | - | Resolved | Dec 31, 2022 | - | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | TT | - | Resolved | Dec 31, 2022 | - | |
| Oct 1, 2022 | Dec 31, 2022 | TT | Yes | No | .88 RATIO | TT | - | Resolved | Dec 31, 2022 | - | |
| Sep 1, 2022 | Sep 30, 2022 | MR | No | Yes | - | - | - | Resolved | Sep 30, 2022 | - | |
| Sep 1, 2022 | Sep 30, 2022 | MR | No | Yes | - | - | - | Resolved | Sep 30, 2022 | - | |
| Sep 1, 2022 | Sep 30, 2022 | MR | No | Yes | - | - | - | Resolved | Sep 30, 2022 | - | |
| Sep 1, 2022 | Sep 30, 2022 | MR | No | Yes | - | - | - | Resolved | Sep 30, 2022 | - | |
| Jul 1, 2022 | Sep 30, 2022 | TT | Yes | No | 1.12 RATIO | TT | - | Resolved | Sep 30, 2022 | - | |
| Jul 1, 2022 | Sep 30, 2022 | TT | Yes | No | 1.12 RATIO | TT | - | Resolved | Sep 30, 2022 | - | |
| Mar 1, 2022 | Mar 31, 2022 | MR | No | Yes | - | - | - | Resolved | Mar 31, 2022 | - | |
| Mar 1, 2022 | Mar 31, 2022 | MR | No | Yes | - | - | - | Resolved | Mar 31, 2022 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2022 | - | |
| Jan 1, 2022 | Jan 31, 2022 | MR | No | No | - | - | - | Resolved | Jan 31, 2022 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2022 | - | |
| Jan 1, 2022 | Jan 31, 2022 | MR | No | No | - | - | - | Resolved | Jan 31, 2022 | - | |
| Oct 1, 2021 | Oct 31, 2021 | MR | No | Yes | - | - | - | Resolved | Oct 31, 2021 | - | |
| Oct 1, 2021 | Oct 31, 2021 | MR | No | Yes | - | - | - | Resolved | Oct 31, 2021 | - | |
| Oct 1, 2021 | Oct 31, 2021 | MR | No | Yes | - | - | - | Resolved | Oct 31, 2021 | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Nov 9, 2022 | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Nov 9, 2022 | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Nov 9, 2022 | - | |
| Sep 1, 2021 | Sep 30, 2021 | MR | No | Yes | - | - | - | Resolved | Sep 30, 2021 | - | |
| Sep 1, 2021 | Sep 30, 2021 | MR | No | Yes | - | - | - | Resolved | Sep 30, 2021 | - |
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.