GW OCOTILLO WATER - CATALINA
Arizona - Community Water System - PWSID: AZ0410171
System Information
| PWSID | AZ0410171 |
| System Name | GW OCOTILLO WATER - CATALINA |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Oct 5, 1979 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | Arizona |
| City | MARICOPA |
| ZIP Code | 85138 |
| Address | - |
| Organization | ARMIJO, SUSAN |
| Phone | 480-328-9281 |
Population & Service
| Population Served | 1,168 |
| Service Connections | 417 |
Drinking Water Violations (25)
This water system has 25 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, 2008 | - | Other | No | No | - | - | - | Resolved | Jul 10, 2008 | - | |
| Oct 1, 2006 | - | MR | No | No | - | TT | - | Resolved | Apr 7, 2008 | - | |
| Jul 1, 2006 | - | Other | No | No | - | - | - | Resolved | Jul 13, 2006 | - | |
| Feb 1, 2006 | Feb 28, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 2006 | - | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2006 | - | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2006 | - | |
| Jul 1, 2005 | - | Other | No | No | - | - | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Oct 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jul 1, 2003 | - | Other | No | No | - | - | - | Resolved | Jul 14, 2003 | - | |
| Jan 1, 2001 | Dec 31, 2003 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2003 | - | |
| Jan 1, 2001 | Dec 31, 2003 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2003 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1995 | Dec 31, 2003 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2003 | - | |
| Jul 1, 1988 | Sep 30, 1988 | MR | No | Yes | - | 2 mg/L | - | Archived | Sep 30, 1988 | - | |
| Jul 1, 1988 | Sep 30, 1988 | MR | No | Yes | - | 10 mg/L | - | Archived | Sep 30, 1988 | - | |
| Jul 1, 1988 | Sep 30, 1988 | MR | No | Yes | - | 0.05 mg/L | - | Archived | Sep 30, 1988 | - | |
| Jul 1, 1988 | Sep 30, 1988 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Sep 30, 1988 | - | |
| Jul 1, 1988 | Sep 30, 1988 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Sep 30, 1988 | - | |
| Jul 1, 1988 | Sep 30, 1988 | MR | No | Yes | - | 0.002 mg/L | - | Archived | Sep 30, 1988 | - | |
| Jul 1, 1988 | Sep 30, 1988 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Sep 30, 1988 | - | |
| Aug 10, 1985 | Aug 8, 1988 | MR | No | Yes | - | 0.010 mg/L | - | Archived | Aug 8, 1988 | - |
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.