Chui Chu
Arizona — Community Water System — PWSID: 090400003
System Information
| PWSID | 090400003 |
| System Name | Chui Chu |
| 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 | 420 |
| Service Connections | 103 |
Drinking Water Violations (13)
This water system has 13 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2015 | Jun 30, 2015 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 2015 | Nitrate Rule |
| Jan 1, 2004 | Dec 31, 2004 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2004 | Nitrate Rule |
| Jan 1, 2003 | Dec 31, 2003 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2003 | Nitrate Rule |
| Oct 1, 2002 | Oct 31, 2002 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2002 | Total Coliform Rule |
| Dec 1, 2000 | Dec 31, 2000 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2000 | Total Coliform Rule |
| Nov 1, 2000 | Nov 30, 2000 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 2000 | Total Coliform Rule |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | 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.