GRAHAM COUNTY UTILITIES - PIMA
Arizona - Community Water System - PWSID: AZ0405002
System Information
| PWSID | AZ0405002 |
| System Name | GRAHAM COUNTY UTILITIES - PIMA |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Oct 5, 1979 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | Arizona |
| City | PIMA |
| ZIP Code | 85543 |
| Address | 9 W Center St. |
| Organization | BRYCE, JOSHUA |
| Phone | 928-485-2451 |
Population & Service
| Population Served | 3,799 |
| Service Connections | 1,632 |
Drinking Water Violations (155)
This water system has 155 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 2, 2025 | - | Other | No | No | - | - | - | Resolved | Oct 9, 2025 | - | |
| Oct 2, 2025 | - | Other | No | No | - | - | - | Resolved | Oct 9, 2025 | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Resolved | Oct 9, 2025 | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Resolved | Oct 9, 2025 | - | |
| Feb 23, 2025 | - | TT | Yes | No | - | - | - | Resolved | Mar 24, 2025 | - | |
| Feb 23, 2025 | - | TT | Yes | No | - | - | - | Resolved | Mar 24, 2025 | - | |
| Feb 23, 2025 | - | TT | Yes | No | - | - | - | Resolved | Mar 24, 2025 | - | |
| Apr 2, 2023 | - | Other | No | No | - | - | - | Resolved | May 3, 2023 | - | |
| Apr 2, 2023 | - | Other | No | No | - | - | - | Resolved | May 3, 2023 | - | |
| Apr 2, 2023 | - | Other | No | No | - | - | - | Resolved | May 3, 2023 | - | |
| Jul 1, 2022 | - | TT | Yes | No | - | - | - | Resolved | Jun 20, 2025 | - | |
| Jul 1, 2022 | - | TT | Yes | No | - | - | - | Resolved | Jun 20, 2025 | - | |
| Jul 1, 2022 | - | TT | Yes | No | - | - | - | Resolved | Jun 20, 2025 | - | |
| Jul 1, 2022 | - | TT | Yes | No | - | - | - | Resolved | Jun 20, 2025 | - | |
| Jul 1, 2022 | - | TT | Yes | No | - | - | - | Resolved | Jun 20, 2025 | - | |
| Jul 1, 2022 | - | TT | Yes | No | - | - | - | Resolved | Jun 20, 2025 | - | |
| Jul 1, 2022 | - | TT | Yes | No | - | - | - | Resolved | Jun 20, 2025 | - | |
| Jul 1, 2022 | - | TT | Yes | No | - | - | - | Resolved | Jun 20, 2025 | - | |
| Jul 1, 2022 | - | TT | Yes | No | - | - | - | Resolved | Jun 20, 2025 | - | |
| Jun 1, 2022 | - | TT | Yes | No | - | - | - | Resolved | Jun 20, 2025 | - | |
| Jun 1, 2022 | - | TT | Yes | No | - | - | - | Resolved | Jun 20, 2025 | - | |
| Jun 1, 2022 | - | TT | Yes | No | - | - | - | Resolved | Jun 20, 2025 | - | |
| Jun 1, 2022 | - | TT | Yes | No | - | - | - | Resolved | Jun 20, 2025 | - | |
| Jun 1, 2022 | - | TT | Yes | No | - | - | - | Resolved | Jun 20, 2025 | - | |
| Mar 17, 2022 | - | TT | Yes | No | - | - | - | Resolved | Oct 6, 2022 | - | |
| Mar 17, 2022 | - | TT | Yes | No | - | - | - | Resolved | Oct 6, 2022 | - | |
| Mar 17, 2022 | - | TT | Yes | No | - | - | - | Resolved | Oct 6, 2022 | - | |
| Mar 17, 2022 | - | TT | Yes | No | - | - | - | Resolved | Oct 6, 2022 | - | |
| Feb 13, 2022 | - | Other | No | No | - | - | - | Resolved | Mar 28, 2022 | - | |
| Feb 13, 2022 | - | Other | No | No | - | - | - | Resolved | Mar 28, 2022 | - | |
| 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 | - | |
| 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 | - | |
| Nov 25, 2021 | - | Other | No | No | - | - | - | Resolved | Mar 28, 2022 | - | |
| Nov 25, 2021 | - | Other | No | No | - | - | - | Resolved | Mar 28, 2022 | - | |
| Oct 2, 2021 | - | Other | No | No | - | - | - | Resolved | Oct 28, 2021 | - | |
| Oct 2, 2021 | - | Other | No | No | - | - | - | Resolved | Oct 28, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| 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 | - | |
| Aug 1, 2021 | - | RPT | No | No | - | - | - | Resolved | Oct 28, 2021 | - | |
| Aug 1, 2021 | - | RPT | No | No | - | - | - | Resolved | Oct 28, 2021 | - | |
| Jul 1, 2021 | Sep 30, 2021 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2021 | - | |
| Jul 1, 2021 | - | Other | No | No | - | - | - | Resolved | Oct 27, 2021 | - | |
| Jul 1, 2021 | Sep 30, 2021 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2021 | - | |
| Jul 1, 2021 | - | Other | No | No | - | - | - | Resolved | Oct 27, 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.