COLDWATER CANYON 3
Arizona — Community Water System — PWSID: AZ0413202
System Information
| PWSID | AZ0413202 |
| System Name | COLDWATER CANYON 3 |
| 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 | Dec 31, 2008 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | Arizona |
| City | TUCSON |
| ZIP Code | 85745 |
| Address | ATTN VERONICA WENE |
| Organization | COLDWATER CANYON WATER CO |
| Phone | 520-624-1460 |
Population & Service
| Population Served | 120 |
| Service Connections | 53 |
Drinking Water Violations (85)
This water system has 85 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2025 | Sep 30, 2025 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Sep 30, 2025 | — | |
| Jul 1, 2025 | Sep 30, 2025 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Sep 30, 2025 | — | |
| Jul 1, 2025 | Sep 30, 2025 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Sep 30, 2025 | — | |
| Jan 1, 2025 | — | MR | No | No | — | TT | — | Resolved | Oct 27, 2025 | — | |
| Jan 1, 2025 | — | MR | No | No | — | TT | — | Resolved | Oct 27, 2025 | — | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Jun 30, 2022 | — | |
| Sep 27, 2021 | — | MR | No | No | — | TT | — | Resolved | Jan 25, 2022 | — | |
| Sep 27, 2021 | — | MR | No | No | — | TT | — | Resolved | Jan 25, 2022 | — | |
| Apr 1, 2020 | Jun 30, 2020 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2020 | — | |
| Apr 1, 2020 | Jun 30, 2020 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2020 | — | |
| Oct 1, 2019 | Dec 31, 2019 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2019 | — | |
| Oct 1, 2019 | Dec 31, 2019 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2019 | — | |
| Jul 1, 2019 | — | Other | No | No | — | — | — | Resolved | Jul 10, 2019 | — | |
| Jul 1, 2019 | — | Other | No | No | — | — | — | Resolved | Jul 10, 2019 | — | |
| Apr 1, 2019 | Jun 30, 2019 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2019 | — | |
| Apr 1, 2019 | Jun 30, 2019 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2019 | — | |
| Jan 1, 2019 | — | MR | No | No | — | TT | — | Resolved | Apr 30, 2020 | — | |
| Jan 1, 2019 | — | MR | No | No | — | TT | — | Resolved | Apr 30, 2020 | — | |
| Jul 1, 2018 | Sep 30, 2018 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2018 | — | |
| Jul 1, 2018 | Sep 30, 2018 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Sep 30, 2018 | — | |
| Jul 1, 2018 | Sep 30, 2018 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Sep 30, 2018 | — | |
| Jul 1, 2018 | Sep 30, 2018 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2018 | — | |
| Oct 1, 2017 | Oct 31, 2017 | MON | No | Yes | — | — | — | Resolved | Oct 31, 2017 | — | |
| Oct 1, 2017 | Oct 31, 2017 | MON | No | Yes | — | — | — | Resolved | Oct 31, 2017 | — | |
| Jan 1, 2017 | Jan 31, 2017 | MON | No | Yes | — | — | — | Resolved | Jan 31, 2017 | — | |
| Jan 1, 2017 | Jan 31, 2017 | MON | No | Yes | — | — | — | Resolved | Jan 31, 2017 | — | |
| Dec 1, 2016 | Dec 31, 2016 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2016 | — | |
| Dec 1, 2016 | Dec 31, 2016 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2016 | — | |
| Oct 1, 2016 | Dec 31, 2016 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2016 | — | |
| Oct 1, 2016 | Oct 31, 2016 | MON | No | Yes | — | — | — | Resolved | Oct 31, 2016 | — | |
| Oct 1, 2016 | Oct 31, 2016 | MON | No | Yes | — | — | — | Resolved | Oct 31, 2016 | — | |
| Oct 1, 2016 | Dec 31, 2016 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2016 | — | |
| Jul 1, 2016 | — | Other | No | No | — | — | — | Resolved | Aug 5, 2016 | — | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2016 | — | |
| Apr 1, 2016 | Jun 30, 2016 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2016 | — | |
| Jan 1, 2016 | Mar 31, 2016 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2016 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2014 | — | Other | No | No | — | — | — | Resolved | Oct 20, 2014 | — | |
| Jul 1, 2014 | — | Other | No | No | — | — | — | Resolved | Oct 8, 2014 | — | |
| Jul 1, 2014 | — | Other | No | No | — | — | — | Resolved | Oct 8, 2014 | — | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2014 | — |
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.