Topawa Intertie
Arizona — Community Water System — PWSID: 090400001
System Information
| PWSID | 090400001 |
| System Name | Topawa Intertie |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Native American |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 2, 1984 |
| Last Reported | Dec 31, 2025 |
Location & Contact
| State | Arizona |
| City | Sells |
| ZIP Code | 85634 |
| Address | P.O. Box 816 |
| Organization | TOUA - Water, Wastewater, Propane Dept. |
| Phone | 5203835830 |
Population & Service
| Population Served | 1,318 |
| Service Connections | 292 |
Drinking Water Violations (17)
This water system has 17 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, 2019 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Dec 20, 2020 | Ground Water Rule |
| Jan 1, 2005 | Dec 31, 2005 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2005 | Nitrate Rule |
| Jan 1, 2004 | Dec 31, 2004 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2004 | Arsenic Rule |
| Jan 1, 2004 | Dec 31, 2004 | Mercury | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2004 | Inorganic Chemicals |
| Jan 1, 2004 | Dec 31, 2004 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2004 | Nitrate Rule |
| Jan 1, 2004 | Dec 31, 2004 | Asbestos | MR | No | Yes | — | 7 MFL | — | Resolved | Dec 31, 2004 | Inorganic Chemicals |
| Jan 1, 2004 | Dec 31, 2004 | Total Haloacetic Acids (HAA5) | MR | No | No | — | 0.060 mg/L | — | Resolved | Dec 31, 2004 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2004 | Dec 31, 2004 | TTHM | MR | No | No | — | 0.080 mg/L | — | Resolved | Dec 31, 2004 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2004 | Dec 31, 2004 | Selenium | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Dec 31, 2004 | Inorganic Chemicals |
| Jan 1, 2004 | Dec 31, 2004 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2004 | Inorganic Chemicals |
| Jan 1, 2004 | Dec 31, 2004 | Chromium | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2004 | Inorganic Chemicals |
| Jan 1, 2004 | Dec 31, 2004 | Barium | MR | No | Yes | — | 2 mg/L | — | Resolved | Dec 31, 2004 | Inorganic Chemicals |
| Jan 1, 2004 | Dec 31, 2004 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | Inorganic Chemicals |
| May 1, 2000 | May 31, 2000 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2000 | Total Coliform Rule |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — |
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.