DESERT WATER COOP
Arizona — Community Water System — PWSID: AZ0410188
System Information
| PWSID | AZ0410188 |
| System Name | DESERT WATER COOP |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Mixed |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 22, 1982 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | Arizona |
| City | TUCSON |
| ZIP Code | 85756 |
| Address | 1645 W Valencia Road |
| Organization | JUHL, PAUL |
| Phone | 520-304-8277 |
Population & Service
| Population Served | 150 |
| Service Connections | 51 |
Drinking Water Violations (95)
This water system has 95 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2025 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Apr 22, 2025 | Lead and Copper Rule |
| Jan 1, 2025 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Apr 22, 2025 | Lead and Copper Rule |
| Oct 1, 2023 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 9, 2024 | Lead and Copper Rule |
| Oct 1, 2023 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 9, 2024 | Lead and Copper Rule |
| Oct 1, 2023 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 9, 2024 | Lead and Copper Rule |
| Oct 1, 2023 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 9, 2024 | Lead and Copper Rule |
| Jul 6, 2023 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Aug 11, 2023 | Ground Water Rule |
| Jul 6, 2023 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Aug 11, 2023 | Ground Water Rule |
| Jul 6, 2023 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Aug 11, 2023 | Ground Water Rule |
| Jul 6, 2023 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Aug 11, 2023 | Ground Water Rule |
| Jun 1, 2023 | — | Revised Total Coliform Rule | Other | No | No | — | — | — | Resolved | Jul 12, 2023 | Revised Total Coliform Rule |
| Jun 1, 2023 | — | Revised Total Coliform Rule | Other | No | No | — | — | — | Resolved | Jul 12, 2023 | Revised Total Coliform Rule |
| Sep 3, 2022 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Sep 5, 2022 | Ground Water Rule |
| Sep 3, 2022 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Sep 5, 2022 | Ground Water Rule |
| Jul 1, 2022 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 26, 2022 | Consumer Confidence Rule |
| Jul 1, 2022 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 26, 2022 | Consumer Confidence Rule |
| Oct 2, 2021 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 29, 2021 | Consumer Confidence Rule |
| Oct 2, 2021 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 29, 2021 | Consumer Confidence Rule |
| Jul 1, 2021 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 1, 2021 | Consumer Confidence Rule |
| Jul 1, 2021 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 1, 2021 | Consumer Confidence Rule |
| Nov 28, 2020 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 24, 2020 | Lead and Copper Rule |
| Nov 28, 2020 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 24, 2020 | Lead and Copper Rule |
| Oct 1, 2020 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 29, 2020 | Lead and Copper Rule |
| Oct 1, 2020 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 29, 2020 | Lead and Copper Rule |
| Sep 3, 2020 | — | Public Notice | Other | No | No | — | — | — | Resolved | Oct 30, 2020 | Public Notice Rule and Revised PN Rule |
| Sep 3, 2020 | — | Public Notice | Other | No | No | — | — | — | Resolved | Oct 30, 2020 | Public Notice Rule and Revised PN Rule |
| Aug 3, 2020 | — | Revised Total Coliform Rule | TT | Yes | No | — | — | — | Resolved | Oct 7, 2020 | Revised Total Coliform Rule |
| Aug 3, 2020 | — | Revised Total Coliform Rule | TT | Yes | No | — | — | — | Resolved | Oct 7, 2020 | Revised Total Coliform Rule |
| Aug 3, 2020 | — | Revised Total Coliform Rule | TT | Yes | No | — | — | — | Resolved | Oct 7, 2020 | Revised Total Coliform Rule |
| Aug 3, 2020 | — | Revised Total Coliform Rule | TT | Yes | No | — | — | — | Resolved | Oct 7, 2020 | Revised Total Coliform Rule |
| Jul 16, 2020 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Aug 3, 2020 | Ground Water Rule |
| Jul 16, 2020 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Aug 3, 2020 | Ground Water Rule |
| Jul 1, 2020 | — | Revised Total Coliform Rule | Other | No | No | — | — | — | Resolved | Oct 7, 2020 | Revised Total Coliform Rule |
| Nov 16, 2019 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Dec 7, 2019 | Ground Water Rule |
| Nov 16, 2019 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Dec 7, 2019 | Ground Water Rule |
| Nov 1, 2019 | — | Revised Total Coliform Rule | Other | No | No | — | — | — | Resolved | Dec 3, 2019 | Revised Total Coliform Rule |
| Nov 1, 2019 | Nov 30, 2019 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Nov 30, 2019 | Revised Total Coliform Rule |
| Nov 1, 2019 | Nov 30, 2019 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Nov 30, 2019 | Revised Total Coliform Rule |
| Nov 1, 2019 | Nov 30, 2019 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Nov 30, 2019 | Revised Total Coliform Rule |
| Nov 3, 2017 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Apr 20, 2018 | Lead and Copper Rule |
| Oct 1, 2017 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 20, 2017 | Lead and Copper Rule |
| Oct 1, 2017 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 20, 2017 | Lead and Copper Rule |
| Oct 1, 2015 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Nov 22, 2015 | Consumer Confidence Rule |
| Jul 1, 2015 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 7, 2015 | Consumer Confidence Rule |
| Nov 16, 2014 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Mar 16, 2015 | Ground Water Rule |
| Nov 16, 2014 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Mar 16, 2015 | Ground Water Rule |
| Nov 1, 2014 | Nov 30, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2014 | Total Coliform Rule |
| Nov 1, 2014 | Nov 30, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2014 | Total Coliform Rule |
| Oct 1, 2014 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 3, 2014 | Lead and Copper Rule |
| Oct 1, 2014 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 3, 2014 | Lead and Copper Rule |
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.