SONOITA VALLEY (SOUTH) WATER COMPANY
Arizona - Community Water System - PWSID: AZ0412005
System Information
| PWSID | AZ0412005 |
| System Name | SONOITA VALLEY (SOUTH) WATER COMPANY |
| 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 | TUCSON |
| ZIP Code | 85754 |
| Address | PO BOX 85160 |
| Organization | SONOITA VALLEY WATER COMPANY |
| Phone | 520-624-1460 |
Population & Service
| Population Served | 169 |
| Service Connections | 59 |
Drinking Water Violations (168)
This water system has 168 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 18, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Dec 20, 2024 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Dec 17, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Dec 17, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Dec 17, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Dec 17, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Dec 17, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Dec 17, 2025 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 30 ug/L | - | Resolved | Dec 31, 2024 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Dec 31, 2024 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Dec 31, 2024 | - | |
| Oct 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 30 ug/L | - | Resolved | Dec 31, 2024 | - | |
| Apr 28, 2024 | - | Other | No | No | - | - | - | Resolved | Jun 28, 2024 | - | |
| Apr 28, 2024 | - | Other | No | No | - | - | - | Resolved | Jun 28, 2024 | - | |
| Apr 28, 2024 | - | Other | No | No | - | - | - | Resolved | Jun 28, 2024 | - | |
| Apr 28, 2024 | - | Other | No | No | - | - | - | Resolved | Jun 28, 2024 | - | |
| May 18, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2023 | - | |
| May 18, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2023 | - | |
| May 18, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2023 | - | |
| May 18, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Mar 31, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Mar 31, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Mar 31, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | Yes | - | 30 ug/L | - | Resolved | Mar 31, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Mar 31, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | Yes | - | 30 ug/L | - | Resolved | Mar 31, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | Yes | - | 30 ug/L | - | Resolved | Mar 31, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | Yes | - | 30 ug/L | - | Resolved | Mar 31, 2023 | - | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Dec 31, 2022 | - | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Dec 31, 2022 | - | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 30 ug/L | - | Resolved | Dec 31, 2022 | - | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 30 ug/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | - | 30 ug/L | - | Resolved | Mar 31, 2022 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Mar 31, 2022 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | - | 30 ug/L | - | Resolved | Mar 31, 2022 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Mar 31, 2022 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | - | 30 ug/L | - | Resolved | Mar 31, 2022 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Mar 31, 2022 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | - | 30 ug/L | - | Resolved | Mar 31, 2022 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Mar 31, 2022 | - | |
| Jul 1, 2021 | Sep 30, 2021 | MR | No | Yes | - | 30 ug/L | - | Resolved | Sep 30, 2021 | - | |
| Jul 1, 2021 | Sep 30, 2021 | MR | No | Yes | - | 30 ug/L | - | Resolved | Sep 30, 2021 | - | |
| Jul 1, 2021 | Sep 30, 2021 | MR | No | Yes | - | 30 ug/L | - | Resolved | Sep 30, 2021 | - | |
| Jul 1, 2021 | Sep 30, 2021 | MR | No | Yes | - | 30 ug/L | - | Resolved | Sep 30, 2021 | - | |
| Jul 1, 2021 | Sep 30, 2021 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Sep 30, 2021 | - | |
| Jul 1, 2021 | Sep 30, 2021 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Sep 30, 2021 | - | |
| Jul 1, 2021 | Sep 30, 2021 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Sep 30, 2021 | - | |
| Jul 1, 2021 | Sep 30, 2021 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Sep 30, 2021 | - | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Jun 30, 2021 | - | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Jun 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.