RILLITO WATER USERS ASSOC
Arizona — Community Water System — PWSID: AZ0410098
System Information
| PWSID | AZ0410098 |
| System Name | RILLITO WATER USERS ASSOC |
| 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 | RILLITO |
| ZIP Code | 85654 |
| Address | C/O RILLITO WATER USERS |
| Organization | CARBAJAL, JUANITA |
| Phone | 520-609-2245 |
Population & Service
| Population Served | 165 |
| Service Connections | 55 |
Drinking Water Violations (133)
This water system has 133 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 2, 2025 | — | RPT | No | No | — | — | — | Unaddressed | — | — | |
| Dec 20, 2024 | — | Other | No | No | — | — | — | Resolved | Jun 30, 2025 | — | |
| Dec 20, 2024 | — | Other | No | No | — | — | — | Resolved | Jun 30, 2025 | — | |
| Oct 17, 2024 | — | TT | Yes | No | — | — | — | Resolved | Feb 2, 2025 | — | |
| Oct 17, 2024 | — | TT | Yes | No | — | — | — | Resolved | Feb 2, 2025 | — | |
| Oct 17, 2024 | — | TT | Yes | No | — | — | — | Resolved | Feb 2, 2025 | — | |
| Oct 17, 2024 | — | TT | Yes | No | — | — | — | Resolved | Feb 2, 2025 | — | |
| Oct 17, 2024 | — | RPT | No | No | — | — | — | Resolved | Feb 2, 2025 | — | |
| Oct 17, 2024 | — | RPT | No | No | — | — | — | Resolved | Feb 2, 2025 | — | |
| Oct 17, 2024 | — | RPT | No | No | — | — | — | Resolved | Feb 2, 2025 | — | |
| Oct 17, 2024 | — | RPT | No | No | — | — | — | Resolved | Feb 2, 2025 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2023 | — | |
| 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 | — | |
| Oct 2, 2022 | — | Other | No | No | — | — | — | Resolved | Nov 8, 2022 | — | |
| Oct 2, 2022 | — | Other | No | No | — | — | — | Resolved | Nov 8, 2022 | — | |
| Jul 1, 2022 | Sep 30, 2022 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2022 | — | |
| Jul 1, 2022 | Sep 30, 2022 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2022 | — | |
| Jul 1, 2022 | Sep 30, 2022 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2022 | — | |
| 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, 2016 | Dec 31, 2016 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2016 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Apr 1, 2015 | Apr 30, 2015 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2015 | — | |
| Apr 1, 2015 | Apr 30, 2015 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2015 | — | |
| Dec 1, 2014 | Dec 31, 2014 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2014 | — | |
| Dec 1, 2014 | Dec 31, 2014 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2014 | — | |
| Jul 1, 2014 | — | Other | No | No | — | — | — | Resolved | Oct 1, 2014 | — | |
| Jul 1, 2014 | — | Other | No | No | — | — | — | Resolved | Oct 1, 2014 | — | |
| Apr 1, 2014 | Apr 30, 2014 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2014 | — | |
| Apr 1, 2014 | Apr 30, 2014 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2014 | — | |
| Jul 1, 2013 | — | Other | No | No | — | — | — | Resolved | Sep 24, 2013 | — | |
| Jul 1, 2008 | — | Other | No | No | — | — | — | Resolved | Nov 10, 2008 | — | |
| Jun 1, 2008 | Jun 30, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2008 | — | |
| Jun 1, 2008 | Jun 30, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2008 | — | |
| Oct 1, 2007 | — | MR | No | No | — | TT | — | Resolved | Apr 9, 2008 | — | |
| Jul 1, 2007 | — | Other | No | No | — | — | — | Resolved | Nov 10, 2008 | — | |
| Jul 1, 2007 | — | Other | No | No | — | — | — | Resolved | Nov 10, 2008 | — | |
| Jan 1, 2007 | Mar 31, 2007 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2007 | — | |
| Jan 1, 2007 | Mar 31, 2007 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2007 | — | |
| Oct 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Apr 9, 2008 | — | |
| Jan 1, 2006 | Jan 31, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2006 | — | |
| Dec 1, 2005 | Dec 31, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2005 | — | |
| Nov 1, 2005 | Nov 30, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2005 | — | |
| Oct 1, 2005 | Oct 31, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2005 | — | |
| Sep 1, 2005 | Sep 30, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2005 | — | |
| Aug 1, 2005 | Aug 31, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2005 | — |
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.