GRANITE OAKS WATER USERS ASSOCIATION
Arizona - Community Water System - PWSID: AZ0413155
System Information
| PWSID | AZ0413155 |
| System Name | GRANITE OAKS WATER USERS ASSOCIATION |
| 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 | Dec 12, 1991 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | Arizona |
| City | PRESCOTT |
| ZIP Code | 86302 |
| Address | - |
| Organization | GRANITE OAKS WUA |
| Phone | 928-713-0548 |
Population & Service
| Population Served | 1,200 |
| Service Connections | 466 |
Drinking Water Violations (139)
This water system has 139 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 26, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 2, 2025 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| May 1, 2025 | May 31, 2025 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | May 31, 2025 | - | |
| May 1, 2025 | May 31, 2025 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | May 31, 2025 | - | |
| Oct 1, 2024 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Oct 1, 2024 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2022 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2022 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2022 | - | |
| Aug 1, 2018 | Jul 31, 2019 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jul 31, 2019 | - | |
| Aug 1, 2018 | Jul 31, 2019 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jul 31, 2019 | - | |
| Aug 1, 2018 | Jul 31, 2019 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jul 31, 2019 | - | |
| Aug 1, 2018 | Jul 31, 2019 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jul 31, 2019 | - | |
| Jul 1, 2017 | Sep 30, 2017 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2017 | - | |
| Jul 1, 2017 | Sep 30, 2017 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2017 | - | |
| Jul 1, 2017 | - | Other | No | No | - | - | - | Resolved | Aug 29, 2017 | - | |
| Apr 1, 2017 | Jun 30, 2017 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2017 | - | |
| Jul 1, 2016 | Jul 31, 2016 | MON | No | No | - | - | - | Resolved | Jul 31, 2016 | - | |
| Jun 1, 2016 | Jun 30, 2016 | MON | No | No | - | - | - | Resolved | Jun 30, 2016 | - | |
| May 1, 2016 | May 31, 2016 | MON | No | No | - | - | - | Resolved | May 31, 2016 | - | |
| May 1, 2016 | May 31, 2016 | MON | No | No | - | - | - | Resolved | May 31, 2016 | - | |
| Apr 1, 2016 | Jun 30, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2016 | - | |
| Apr 1, 2016 | Apr 30, 2016 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2016 | - | |
| Apr 1, 2016 | Apr 30, 2016 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2016 | - | |
| Oct 1, 2014 | Oct 31, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2014 | - | |
| Oct 1, 2014 | Oct 31, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2014 | - | |
| Jun 1, 2014 | Jun 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2014 | - | |
| Jun 1, 2014 | Jun 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2014 | - | |
| Feb 1, 2014 | Feb 28, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 2014 | - | |
| Feb 1, 2014 | Feb 28, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 2014 | - | |
| Oct 1, 2013 | - | Other | No | No | - | - | - | Resolved | Apr 4, 2014 | - | |
| Oct 1, 2013 | - | Other | No | No | - | - | - | Resolved | Apr 4, 2014 | - | |
| Jul 1, 2013 | - | Other | No | No | - | - | - | Resolved | Apr 4, 2014 | - | |
| Jul 1, 2013 | - | Other | No | No | - | - | - | Resolved | Apr 4, 2014 | - | |
| Oct 1, 2012 | - | Other | No | No | - | - | - | Resolved | Apr 4, 2014 | - | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2012 | - | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2012 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Apr 4, 2014 | - | |
| Apr 1, 2012 | Apr 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2012 | - | |
| Apr 1, 2012 | Apr 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2012 | - | |
| Oct 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Jul 1, 2010 | - | Other | No | No | - | - | - | Resolved | Jul 12, 2010 | - | |
| Mar 1, 2010 | Mar 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2010 | - | |
| Mar 1, 2010 | Mar 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2010 | - | |
| Jan 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Dec 1, 2009 | Dec 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2009 | - |
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.