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 | Nov 17, 2025 |
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 (18)
This water system has 18 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2023 | Dec 31, 2023 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2023 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Dec 1, 2021 | Dec 31, 2021 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Dec 31, 2021 | Revised Total Coliform Rule |
| Oct 2, 2021 | — | Public Notice | Other | No | No | — | — | — | Resolved | Nov 22, 2021 | Public Notice Rule and Revised PN Rule |
| Oct 2, 2021 | — | Public Notice | Other | No | No | — | — | — | Resolved | Nov 22, 2021 | Public Notice Rule and Revised PN Rule |
| Oct 1, 2021 | Dec 31, 2021 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2021 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2021 | Dec 31, 2021 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2021 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2020 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 30, 2020 | Consumer Confidence Rule |
| Jul 1, 2020 | Sep 30, 2020 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2020 | Nitrate Rule |
| Jul 1, 2020 | Sep 30, 2020 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2020 | Nitrate Rule |
| Jul 1, 2020 | Sep 30, 2020 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2020 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2019 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 10, 2019 | Lead and Copper Rule |
| Jan 1, 2019 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 10, 2019 | Lead and Copper Rule |
| Jan 1, 2019 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 10, 2019 | Lead and Copper Rule |
| Jan 1, 2019 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 10, 2019 | Lead and Copper Rule |
| Jul 1, 2018 | Jun 30, 2021 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2021 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2018 | Jun 30, 2021 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2021 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2018 | Jun 30, 2021 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2021 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2016 | Dec 31, 2016 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2016 | Stage 1 Disinfectants and Disinfection Byproducts 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.