Cyprus Tohono Corporation
Arizona - Non-Transient Non-Community - PWSID: 090411311
System Information
| PWSID | 090411311 |
| System Name | Cyprus Tohono Corporation |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Inactive |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Oct 5, 1979 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Arizona |
| City | Casa Grande |
| ZIP Code | 85230-5009 |
| Address | P.O. Box 15009 |
| Organization | Cyprus Tohono Corporation |
| Phone | 5203613111 |
Population & Service
| Population Served | 21 |
| Service Connections | 16 |
Drinking Water Violations (23)
This water system has 23 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, 2009 | Jun 30, 2009 | MCL | Yes | No | .042 MG/L | 0.010 mg/L | - | Archived | Jun 1, 2009 | - | |
| Aug 1, 1996 | Aug 31, 1996 | MR | No | No | - | 5% of samples | - | Archived | Aug 31, 1996 | - | |
| Jun 29, 1990 | Jul 28, 1990 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Jul 28, 1990 | - | |
| Dec 1, 1989 | Dec 31, 1989 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Dec 31, 1989 | - | |
| Feb 3, 1981 | Apr 2, 1981 | MCL | Yes | No | 7.5 MG/L | 4.0 mg/L | - | Archived | Apr 2, 1981 | - | |
| Jul 25, 1980 | Sep 24, 1980 | MCL | Yes | No | 7.2 MG/L | 4.0 mg/L | - | Archived | Sep 24, 1980 | - | |
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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.