DEEP WELL COOP
Arizona - Community Water System - PWSID: AZ0420598
System Information
| PWSID | AZ0420598 |
| System Name | DEEP WELL COOP |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Non-Inventory |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 22, 1982 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | Arizona |
| City | TUCSON |
| ZIP Code | 85736 |
| Address | 10390 S Sierrita Mtn. Rd |
| Organization | JOHNS, LETICIA |
| Phone | - |
Population & Service
| Population Served | 17 |
| Service Connections | 13 |
Drinking Water Violations (207)
This water system has 207 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 20, 2024 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2025 | - | |
| Dec 20, 2024 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Aug 18, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Aug 18, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Aug 18, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Aug 18, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Aug 18, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Aug 18, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Aug 18, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Aug 18, 2025 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Oct 10, 2024 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Oct 10, 2024 | - | |
| Jul 1, 2023 | - | RPT | No | No | - | - | - | Resolved | Aug 14, 2023 | - | |
| Jul 1, 2023 | - | RPT | No | No | - | - | - | Resolved | Aug 14, 2023 | - | |
| Feb 17, 2023 | - | Other | No | No | - | - | - | Resolved | Oct 5, 2023 | - | |
| Feb 17, 2023 | - | Other | No | No | - | - | - | Resolved | Oct 5, 2023 | - | |
| Jan 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Dec 11, 2023 | - | |
| Jan 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Dec 11, 2023 | - | |
| Oct 2, 2022 | - | Other | No | No | - | - | - | Resolved | Nov 8, 2022 | - | |
| Oct 2, 2022 | - | Other | No | No | - | - | - | Resolved | Nov 8, 2022 | - | |
| Jan 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Aug 11, 2023 | - | |
| Jan 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Aug 11, 2023 | - | |
| Jan 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Aug 11, 2023 | - | |
| Oct 2, 2021 | - | Other | No | No | - | - | - | Resolved | Oct 7, 2021 | - | |
| Oct 2, 2021 | - | Other | No | No | - | - | - | Resolved | Oct 7, 2021 | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Nov 8, 2021 | - | |
| Jul 2, 2021 | - | Other | No | No | - | - | - | Resolved | Oct 5, 2023 | - | |
| Jul 2, 2021 | - | Other | No | No | - | - | - | Resolved | Oct 5, 2023 | - | |
| Jan 31, 2021 | - | MR | No | No | - | TT | - | Resolved | Feb 16, 2021 | - | |
| Jan 31, 2021 | - | MR | No | No | - | TT | - | Resolved | Feb 16, 2021 | - | |
| Jan 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Feb 18, 2021 | - | |
| Jan 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Feb 18, 2021 | - | |
| Oct 2, 2020 | - | Other | No | No | - | - | - | Resolved | Dec 10, 2020 | - | |
| Jul 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Feb 18, 2021 | - | |
| Jul 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Feb 18, 2021 | - | |
| Jul 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Feb 18, 2021 | - | |
| Dec 1, 2018 | Dec 31, 2018 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2018 | - | |
| Dec 1, 2018 | Dec 31, 2018 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2018 | - | |
| Dec 1, 2018 | Dec 31, 2018 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2018 | - | |
| Dec 1, 2018 | Dec 31, 2018 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2018 | - | |
| Nov 1, 2018 | Nov 30, 2018 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2018 | - | |
| Nov 1, 2018 | Nov 30, 2018 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2018 | - | |
| Oct 1, 2018 | - | Other | No | No | - | - | - | Resolved | Oct 5, 2018 | - | |
| Oct 1, 2018 | - | Other | No | No | - | - | - | Resolved | Oct 5, 2018 | - | |
| Oct 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Aug 7, 2019 | - | |
| Oct 1, 2018 | Oct 31, 2018 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2018 | - | |
| Oct 1, 2018 | Oct 31, 2018 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2018 | - | |
| Oct 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Aug 7, 2019 | - | |
| Nov 3, 2017 | - | MR | No | No | - | TT | - | Resolved | Mar 29, 2019 | - | |
| Oct 1, 2017 | - | MR | No | No | - | TT | - | Resolved | Oct 27, 2018 | - |
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.