SHILOH WATER COMPANY
Arizona - Community Water System - PWSID: AZ0410450
System Information
| PWSID | AZ0410450 |
| System Name | SHILOH 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 | Mar 1, 2007 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | Arizona |
| City | SAHUARITA |
| ZIP Code | 85629 |
| Address | - |
| Organization | SHILOH WATER CO |
| Phone | 520-625-1204 |
Population & Service
| Population Served | 309 |
| Service Connections | 113 |
Drinking Water Violations (61)
This water system has 61 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 23, 2025 | - | MR | No | Yes | - | - | - | Resolved | Dec 11, 2025 | - | |
| Jul 23, 2025 | - | MR | No | Yes | - | - | - | Resolved | Dec 11, 2025 | - | |
| Jul 23, 2025 | - | MR | No | Yes | - | - | - | Resolved | Dec 11, 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 | - | |
| Dec 1, 2021 | Dec 31, 2021 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Dec 1, 2021 | Dec 31, 2021 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Dec 1, 2021 | Dec 31, 2021 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Oct 2, 2021 | - | Other | No | No | - | - | - | Resolved | Nov 22, 2021 | - | |
| Oct 2, 2021 | - | Other | No | No | - | - | - | Resolved | Nov 22, 2021 | - | |
| 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, 2021 | Dec 31, 2021 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Jul 1, 2020 | - | Other | No | No | - | - | - | Resolved | Sep 30, 2020 | - | |
| Jul 1, 2020 | Sep 30, 2020 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2020 | - | |
| Jul 1, 2020 | Sep 30, 2020 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 2020 | - | |
| Jul 1, 2020 | Sep 30, 2020 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 2020 | - | |
| Jul 1, 2020 | Sep 30, 2020 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 2020 | - | |
| Jul 1, 2020 | Sep 30, 2020 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 2020 | - | |
| Jan 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Jan 10, 2019 | - | |
| Jan 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Jan 10, 2019 | - | |
| Jan 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Jan 10, 2019 | - | |
| Jan 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Jan 10, 2019 | - | |
| Jan 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Jan 10, 2019 | - | |
| Jul 1, 2018 | Jun 30, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jun 30, 2021 | - | |
| Jul 1, 2018 | Jun 30, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jun 30, 2021 | - | |
| Jul 1, 2018 | Jun 30, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jun 30, 2021 | - | |
| Jul 1, 2018 | Jun 30, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jun 30, 2021 | - | |
| Jul 22, 2017 | - | MR | No | Yes | - | - | - | Resolved | Aug 24, 2017 | - | |
| Jul 22, 2017 | - | MR | No | Yes | - | - | - | Resolved | Aug 24, 2017 | - | |
| Oct 1, 2016 | Dec 31, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Oct 1, 2016 | Dec 31, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 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 | - | |
| 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 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Jan 1, 2013 | Mar 31, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2013 | - | |
| Oct 1, 2012 | - | Other | No | No | - | - | - | Resolved | Jun 18, 2013 | - | |
| Nov 1, 2011 | Nov 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2011 | - | |
| Nov 1, 2011 | Nov 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2011 | - | |
| Jul 1, 2009 | - | Other | No | No | - | - | - | Resolved | Dec 4, 2009 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Dec 4, 2009 | - | |
| Jan 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Nov 1, 2007 | Nov 30, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2007 | - | |
| Jul 1, 2007 | - | MR | No | No | - | TT | - | Resolved | May 12, 2009 | - |
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.