TOWN & COUNTRY - PRESTON
Arizona - Community Water System - PWSID: AZ0412311
System Information
| PWSID | AZ0412311 |
| System Name | TOWN & COUNTRY - PRESTON |
| 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 | NOGALES |
| ZIP Code | 85628 |
| Address | - |
| Organization | AGUILAR, ALBERTO |
| Phone | 520-281-1988 |
Population & Service
| Population Served | 430 |
| Service Connections | 90 |
Drinking Water Violations (322)
This water system has 322 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 1, 2025 | Nov 30, 2025 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Nov 30, 2025 | - | |
| Oct 17, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Oct 2, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Oct 1, 2025 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Oct 1, 2025 | Oct 31, 2025 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Oct 31, 2025 | - | |
| Jul 1, 2025 | Jul 31, 2025 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Jul 31, 2025 | - | |
| Jul 1, 2025 | Jul 31, 2025 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Jul 31, 2025 | - | |
| Jun 27, 2025 | - | Other | No | No | - | - | - | Resolved | Jul 31, 2025 | - | |
| Jun 27, 2025 | - | Other | No | No | - | - | - | Resolved | Jul 31, 2025 | - | |
| Apr 14, 2025 | - | TT | Yes | No | - | - | - | Resolved | May 13, 2025 | - | |
| Apr 14, 2025 | - | TT | Yes | No | - | - | - | Resolved | May 13, 2025 | - | |
| Apr 14, 2025 | - | TT | Yes | No | - | - | - | Resolved | May 13, 2025 | - | |
| Jan 1, 2025 | - | MR | No | No | - | TT | - | Resolved | Apr 22, 2025 | - | |
| Jan 1, 2025 | - | MR | No | No | - | TT | - | Resolved | Apr 22, 2025 | - | |
| Dec 20, 2024 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Addressed | - | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Addressed | - | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Addressed | - | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Addressed | - | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Addressed | - | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Addressed | - | - | |
| Jan 28, 2024 | - | Other | No | No | - | - | - | Resolved | Feb 16, 2024 | - | |
| Jan 28, 2024 | - | Other | No | No | - | - | - | Resolved | Feb 16, 2024 | - | |
| Jan 28, 2024 | - | Other | No | No | - | - | - | Resolved | Feb 16, 2024 | - | |
| Jan 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Feb 16, 2024 | - | |
| Jan 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Feb 16, 2024 | - | |
| Oct 2, 2023 | - | Other | No | No | - | - | - | Resolved | Feb 16, 2024 | - | |
| Oct 2, 2023 | - | Other | No | No | - | - | - | Resolved | Feb 16, 2024 | - | |
| 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 | - | |
| Feb 11, 2023 | - | Other | No | No | - | - | - | Resolved | Jan 18, 2022 | - | |
| Feb 11, 2023 | - | Other | No | No | - | - | - | Resolved | Jan 18, 2022 | - | |
| Jan 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Jan 30, 2024 | - | |
| Jan 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Jan 30, 2024 | - | |
| Dec 1, 2022 | - | MR | No | No | - | - | - | Unaddressed | - | - | |
| Oct 2, 2022 | - | Other | No | No | - | - | - | Resolved | Feb 16, 2024 | - | |
| Oct 2, 2022 | - | Other | No | No | - | - | - | Resolved | Feb 16, 2024 | - | |
| Oct 2, 2021 | - | Other | No | No | - | - | - | Resolved | Oct 8, 2021 | - | |
| Oct 2, 2021 | - | Other | No | No | - | - | - | Resolved | Oct 8, 2021 | - | |
| 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 | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Feb 16, 2024 | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Feb 16, 2024 | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Feb 16, 2024 | - | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2021 | - | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2021 | - | |
| Jan 1, 2021 | Mar 31, 2021 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2021 | - | |
| Jan 1, 2021 | Mar 31, 2021 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2021 | - | |
| Jan 1, 2021 | Mar 31, 2021 | MR | No | Yes | - | 10 mg/L | - | Resolved | Mar 31, 2021 | - | |
| Jan 1, 2021 | Mar 31, 2021 | MR | No | Yes | - | 10 mg/L | - | Resolved | Mar 31, 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.