GRANITE MOUNTAIN WATER COMPANY
Arizona — Community Water System — PWSID: AZ0413150
System Information
| PWSID | AZ0413150 |
| System Name | GRANITE MOUNTAIN WATER COMPANY |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | May 23, 1996 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | Arizona |
| City | CHINO VALLEY |
| ZIP Code | 86323 |
| Address | PO BOX 350 |
| Organization | FELMAN, DANIEL |
| Phone | 928-778-2600 |
Population & Service
| Population Served | 381 |
| Service Connections | 155 |
Drinking Water Violations (150)
This water system has 150 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 13, 2025 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Oct 2, 2025 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Jul 1, 2025 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2021 | — | |
| Apr 1, 2018 | Jun 30, 2018 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2018 | — | |
| Apr 1, 2016 | Jun 30, 2016 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2016 | — | |
| Jul 1, 2015 | — | Other | No | No | — | — | — | Resolved | Jul 14, 2015 | — | |
| Dec 1, 2014 | Dec 31, 2014 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2014 | — | |
| Dec 1, 2014 | Dec 31, 2014 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2014 | — | |
| Dec 1, 2014 | Dec 31, 2014 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2014 | — | |
| Dec 1, 2014 | Dec 31, 2014 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2014 | — | |
| Dec 1, 2014 | Dec 31, 2014 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2014 | — | |
| Dec 1, 2014 | Dec 31, 2014 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2014 | — | |
| Oct 1, 2014 | Dec 31, 2014 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Oct 1, 2014 | Dec 31, 2014 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Oct 1, 2013 | — | Other | No | No | — | — | — | Resolved | May 21, 2014 | — | |
| Oct 1, 2013 | — | Other | No | No | — | — | — | Resolved | May 21, 2014 | — | |
| Jul 1, 2013 | — | Other | No | No | — | — | — | Resolved | May 21, 2014 | — | |
| Jul 1, 2013 | — | Other | No | No | — | — | — | Resolved | May 21, 2014 | — | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2013 | — | |
| Jul 1, 2012 | — | Other | No | No | — | — | — | Resolved | Aug 20, 2012 | — | |
| Jan 1, 2012 | Mar 31, 2012 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2012 | — | |
| Jul 1, 2011 | Sep 30, 2011 | MR | No | Yes | — | 4.0 mg/L | — | Archived | Sep 30, 2011 | — | |
| Jul 1, 2011 | — | Other | No | No | — | — | — | Resolved | Jul 11, 2011 | — | |
| Jan 1, 2010 | Mar 31, 2010 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2010 | — | |
| Jul 1, 2009 | — | Other | No | No | — | — | — | Resolved | Oct 29, 2009 | — | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2008 | — | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2008 | — | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2008 | — | |
| Oct 1, 2007 | — | MR | No | No | — | TT | — | Resolved | Aug 7, 2008 | — | |
| Oct 1, 2007 | — | MR | No | No | — | TT | — | Resolved | Aug 7, 2008 | — | |
| Aug 1, 2007 | Aug 31, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2007 | — | |
| Jul 1, 2007 | Jul 31, 2007 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 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 | — | |
| Oct 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Aug 7, 2008 | — | |
| Oct 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Aug 7, 2008 | — | |
| Jul 1, 2006 | — | Other | No | No | — | — | — | Resolved | Apr 26, 2007 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — |
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.