GRAND STAIRCASE WATER COMPANY
Arizona - Non-Transient Non-Community - PWSID: UTAH13063
System Information
| PWSID | UTAH13063 |
| System Name | GRAND STAIRCASE WATER COMPANY |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Nov 30, 2005 |
| Last Reported | Feb 23, 2026 |
Location & Contact
| State | Arizona |
| City | PRESCOTT VALLEY |
| ZIP Code | 86315 |
| Address | 7853 N SAGE VISTA |
| Organization | MUYLLE, JAMES C |
| Phone | 928-713-9397 |
Population & Service
| Population Served | 145 |
| Service Connections | 3 |
Drinking Water Violations (375)
This water system has 375 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 1, 2020 | Sep 30, 2020 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2020 | - | |
| Sep 1, 2020 | Sep 30, 2020 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2020 | - | |
| Sep 1, 2020 | Sep 30, 2020 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2020 | - | |
| Jan 26, 2020 | - | RPT | No | No | - | - | - | Resolved | Mar 5, 2020 | - | |
| Jan 26, 2020 | - | RPT | No | No | - | - | - | Resolved | Mar 5, 2020 | - | |
| Jan 26, 2020 | - | RPT | No | No | - | - | - | Resolved | Mar 5, 2020 | - | |
| Jan 13, 2020 | - | RPT | No | No | - | - | - | Resolved | Feb 24, 2020 | - | |
| Jan 13, 2020 | - | RPT | No | No | - | - | - | Resolved | Feb 24, 2020 | - | |
| Jan 13, 2020 | - | RPT | No | No | - | - | - | Resolved | Feb 24, 2020 | - | |
| Dec 22, 2018 | - | RPT | No | No | - | - | - | Resolved | Jan 25, 2019 | - | |
| Dec 22, 2018 | - | RPT | No | No | - | - | - | Resolved | Jan 25, 2019 | - | |
| Dec 22, 2018 | - | RPT | No | No | - | - | - | Resolved | Jan 25, 2019 | - | |
| Apr 26, 2018 | - | RPT | No | No | - | - | - | Resolved | Jan 25, 2019 | - | |
| Apr 26, 2018 | - | RPT | No | No | - | - | - | Resolved | Jan 25, 2019 | - | |
| Apr 26, 2018 | - | RPT | No | No | - | - | - | Resolved | Jan 25, 2019 | - | |
| Dec 24, 2017 | - | RPT | No | No | - | - | - | Resolved | Jan 23, 2018 | - | |
| Dec 24, 2017 | - | RPT | No | No | - | - | - | Resolved | Jan 23, 2018 | - | |
| Dec 24, 2017 | - | RPT | No | No | - | - | - | Resolved | Jan 23, 2018 | - | |
| Oct 1, 2017 | - | Other | No | No | - | - | - | Resolved | Dec 22, 2017 | - | |
| Oct 1, 2017 | - | Other | No | No | - | - | - | Resolved | Dec 22, 2017 | - | |
| Oct 1, 2017 | - | Other | No | No | - | - | - | Resolved | Dec 22, 2017 | - | |
| Dec 25, 2016 | - | RPT | No | No | - | - | - | Resolved | Jan 15, 2017 | - | |
| Dec 25, 2016 | - | RPT | No | No | - | - | - | Resolved | Jan 15, 2017 | - | |
| Dec 25, 2016 | - | RPT | No | No | - | - | - | Resolved | Jan 15, 2017 | - | |
| Oct 1, 2016 | Oct 31, 2016 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2016 | - | |
| Oct 1, 2016 | Oct 31, 2016 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2016 | - | |
| Oct 1, 2016 | Oct 31, 2016 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2016 | - | |
| Aug 28, 2016 | - | RPT | No | No | - | - | - | Resolved | Sep 30, 2016 | - | |
| Aug 28, 2016 | - | RPT | No | No | - | - | - | Resolved | Sep 30, 2016 | - | |
| Aug 28, 2016 | - | RPT | No | No | - | - | - | Resolved | Sep 30, 2016 | - | |
| Jul 19, 2016 | - | RPT | No | No | - | - | - | Resolved | Nov 9, 2016 | - | |
| Jul 19, 2016 | - | RPT | No | No | - | - | - | Resolved | Nov 9, 2016 | - | |
| Jul 19, 2016 | - | RPT | No | No | - | - | - | Resolved | Nov 9, 2016 | - | |
| May 1, 2016 | May 31, 2016 | MON | No | Yes | - | - | - | Resolved | May 31, 2016 | - | |
| May 1, 2016 | May 31, 2016 | MON | No | Yes | - | - | - | Resolved | May 31, 2016 | - | |
| May 1, 2016 | May 31, 2016 | MON | No | Yes | - | - | - | Resolved | May 31, 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 | - | |
| Apr 1, 2016 | Apr 30, 2016 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2016 | - | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2015 | - | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2015 | - | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2015 | - | |
| Jul 1, 2015 | Sep 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2015 | - | |
| Jul 1, 2015 | Sep 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2015 | - | |
| Jul 1, 2015 | Sep 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2015 | - | |
| Jan 1, 2015 | Mar 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2015 | - | |
| Jan 1, 2015 | Mar 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2015 | - | |
| Jan 1, 2015 | Dec 31, 2015 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2015 | - | |
| Jan 1, 2015 | Dec 31, 2015 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2015 | - | |
| Jan 1, 2015 | Dec 31, 2015 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2015 | - |
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.