STEWART MOUNTAIN DAM
Arizona - Transient Non-Community - PWSID: AZ0407321
System Information
| PWSID | AZ0407321 |
| System Name | STEWART MOUNTAIN DAM |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Non-Inventory |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Oct 5, 1979 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | Arizona |
| City | MESA |
| ZIP Code | 85215 |
| Address | - |
| Organization | STEWART MOUNTAIN DAM |
| Phone | 602-236-5652 |
Population & Service
| Population Served | 12 |
| Service Connections | 7 |
Drinking Water Violations (29)
This water system has 29 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 1, 2007 | Aug 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2007 | - | |
| Jul 1, 2007 | Jul 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2007 | - | |
| Jun 1, 2007 | Jun 30, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2007 | - | |
| May 1, 2007 | May 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Oct 1, 2005 | Oct 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2005 | - | |
| Aug 1, 2005 | Aug 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2005 | - | |
| Apr 1, 2005 | Apr 30, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2005 | - | |
| Oct 1, 2003 | Oct 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2003 | - | |
| Oct 1, 2003 | Oct 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2003 | - | |
| Aug 1, 2003 | Aug 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2003 | - | |
| Aug 1, 2003 | Aug 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2003 | - | |
| Mar 1, 2002 | Mar 31, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2002 | - | |
| Mar 1, 2002 | Mar 31, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2002 | - | |
| Feb 1, 1999 | Feb 28, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 1999 | - | |
| Feb 1, 1999 | Feb 28, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 1999 | - | |
| Nov 1, 1998 | Nov 30, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 1998 | - | |
| Nov 1, 1998 | Nov 30, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 1998 | - | |
| Oct 1, 1987 | Sep 29, 1990 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Sep 29, 1990 | - | |
| Oct 1, 1987 | Sep 29, 1990 | MR | No | Yes | - | 2 mg/L | - | Archived | Sep 29, 1990 | - | |
| Oct 1, 1987 | Sep 29, 1990 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Sep 29, 1990 | - | |
| Oct 1, 1987 | Sep 29, 1990 | MR | No | Yes | - | 0.002 mg/L | - | Archived | Sep 29, 1990 | - | |
| Oct 1, 1987 | Sep 29, 1990 | MR | No | Yes | - | 0.010 mg/L | - | Archived | Sep 29, 1990 | - | |
| Oct 1, 1987 | Sep 29, 1990 | MR | No | Yes | - | 0.05 mg/L | - | Archived | Sep 29, 1990 | - | |
| Oct 1, 1987 | Sep 29, 1990 | MR | No | Yes | - | 10 mg/L | - | Archived | Sep 29, 1990 | - | |
| Oct 1, 1987 | Sep 29, 1990 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Sep 29, 1990 | - | |
| - | - | - | 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.