GW OCOTILLO WATER - SIERRITA FOOTHILLS
Arizona - Community Water System - PWSID: AZ0410270
System Information
| PWSID | AZ0410270 |
| System Name | GW OCOTILLO WATER - SIERRITA FOOTHILLS |
| 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 | May 12, 1992 |
| 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 | 84 |
| Service Connections | 29 |
Drinking Water Violations (98)
This water system has 98 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, 2006 | - | MR | No | No | - | TT | - | Resolved | Oct 2, 2007 | - | |
| Jul 1, 2006 | - | Other | No | No | - | - | - | Resolved | Jul 10, 2006 | - | |
| Jul 1, 2005 | - | Other | No | No | - | - | - | Resolved | Jul 22, 2005 | - | |
| Oct 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jul 1, 2004 | - | Other | No | No | - | - | - | Resolved | Jul 22, 2005 | - | |
| Jul 1, 2003 | - | Other | No | No | - | - | - | Resolved | Jul 22, 2005 | - | |
| Jul 1, 2002 | - | Other | No | No | - | - | - | Resolved | Jul 22, 2005 | - | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2002 | - | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1999 | - | |
| Dec 1, 1998 | Dec 31, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1998 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 0.004 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 1998 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1998 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 0.02 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 0.5 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 0.0005 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 2 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 0.00000003 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 0.4 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 0.6 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 0.04 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1998 | Dec 31, 2000 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2000 | - |
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.