MONTE VISTA WATER COMPANY
Arizona — Community Water System — PWSID: AZ0402043
System Information
| PWSID | AZ0402043 |
| System Name | MONTE VISTA 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 | 85756 |
| Address | 1645 W Valencia Road |
| Organization | JUHL, PAUL |
| Phone | 520-304-8277 |
Population & Service
| Population Served | 150 |
| Service Connections | 50 |
Drinking Water Violations (355)
This water system has 355 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 | Jan 3, 2025 | — | |
| Dec 20, 2024 | — | Other | No | No | — | — | — | Resolved | Jan 3, 2025 | — | |
| Oct 17, 2024 | — | TT | Yes | No | — | — | — | Resolved | Dec 24, 2025 | — | |
| Oct 17, 2024 | — | RPT | No | No | — | — | — | Resolved | Dec 24, 2025 | — | |
| Oct 17, 2024 | — | TT | Yes | No | — | — | — | Resolved | Dec 24, 2025 | — | |
| Oct 17, 2024 | — | TT | Yes | No | — | — | — | Resolved | Dec 24, 2025 | — | |
| Oct 17, 2024 | — | TT | Yes | No | — | — | — | Resolved | Dec 24, 2025 | — | |
| Oct 17, 2024 | — | RPT | No | No | — | — | — | Resolved | Dec 24, 2025 | — | |
| Oct 17, 2024 | — | RPT | No | No | — | — | — | Resolved | Dec 24, 2025 | — | |
| Oct 17, 2024 | — | RPT | No | No | — | — | — | Resolved | Dec 24, 2025 | — | |
| Oct 2, 2024 | — | Other | No | No | — | — | — | Resolved | Dec 20, 2024 | — | |
| Oct 2, 2024 | — | Other | No | No | — | — | — | Resolved | Dec 20, 2024 | — | |
| Apr 5, 2024 | — | Other | No | No | — | — | — | Resolved | Dec 20, 2024 | — | |
| Apr 5, 2024 | — | Other | No | No | — | — | — | Resolved | Dec 20, 2024 | — | |
| Jan 18, 2024 | — | Other | No | No | — | — | — | Resolved | Dec 20, 2024 | — | |
| Jan 18, 2024 | — | Other | No | No | — | — | — | Resolved | Dec 20, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2024 | — | |
| Oct 2, 2023 | — | Other | No | No | — | — | — | Resolved | Oct 31, 2023 | — | |
| Oct 2, 2023 | — | Other | No | No | — | — | — | Resolved | Oct 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2023 | — | |
| Oct 2, 2020 | — | Other | No | No | — | — | — | Resolved | Dec 13, 2022 | — | |
| Oct 2, 2020 | — | Other | No | No | — | — | — | Resolved | Dec 13, 2022 | — | |
| Jul 1, 2020 | Sep 30, 2020 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2020 | — | |
| Jul 1, 2020 | — | Other | No | No | — | — | — | Resolved | Aug 10, 2020 | — | |
| Jul 1, 2020 | — | Other | No | No | — | — | — | Resolved | Aug 10, 2020 | — | |
| Jul 1, 2020 | Sep 30, 2020 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2020 | — | |
| Jul 1, 2020 | Sep 30, 2020 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2020 | — | |
| 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 | — | |
| Apr 1, 2020 | Jun 30, 2020 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2020 | — | |
| Apr 1, 2020 | Jun 30, 2020 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2020 | — | |
| Apr 1, 2020 | Jun 30, 2020 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2020 | — | |
| Apr 1, 2020 | Jun 30, 2020 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2020 | — | |
| Jan 1, 2020 | Mar 31, 2020 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2020 | — | |
| Jan 1, 2020 | Mar 31, 2020 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2020 | — | |
| Jan 1, 2020 | Mar 31, 2020 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2020 | — | |
| Jan 1, 2020 | Mar 31, 2020 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2020 | — | |
| Jan 1, 2020 | Mar 31, 2020 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2020 | — | |
| Jan 1, 2020 | Mar 31, 2020 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2020 | — | |
| Oct 1, 2019 | Dec 31, 2019 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2019 | — | |
| Oct 1, 2019 | Dec 31, 2019 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2019 | — | |
| Oct 1, 2019 | Dec 31, 2019 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2019 | — |
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.