PONDEROSA UTILITY CORP
Arizona - Community Water System - PWSID: AZ0403018
System Information
| PWSID | AZ0403018 |
| System Name | PONDEROSA UTILITY CORP |
| 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 | Oct 5, 1979 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | Arizona |
| City | FLAGSTAFF |
| ZIP Code | 86005 |
| Address | 949 OSAGE |
| Organization | ASHLEY, AMY LYNN |
| Phone | 928-525-6210 |
Population & Service
| Population Served | 1,585 |
| Service Connections | 691 |
Drinking Water Violations (134)
This water system has 134 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 31, 2024 | - | TT | Yes | No | - | - | - | Resolved | Sep 26, 2024 | - | |
| Jul 31, 2024 | - | TT | Yes | No | - | - | - | Resolved | Sep 26, 2024 | - | |
| Jul 31, 2024 | - | TT | Yes | No | - | - | - | Resolved | Sep 26, 2024 | - | |
| Jul 31, 2024 | - | TT | Yes | No | - | - | - | Resolved | Sep 26, 2024 | - | |
| Jul 31, 2024 | - | TT | Yes | No | - | - | - | Resolved | Sep 26, 2024 | - | |
| Jul 31, 2024 | - | TT | Yes | No | - | - | - | Resolved | Sep 26, 2024 | - | |
| May 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | May 22, 2024 | - | |
| May 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | May 22, 2024 | - | |
| May 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | May 22, 2024 | - | |
| May 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | May 22, 2024 | - | |
| Oct 9, 2023 | - | TT | Yes | No | - | - | - | Resolved | Apr 17, 2024 | - | |
| Oct 9, 2023 | - | TT | Yes | No | - | - | - | Resolved | Apr 17, 2024 | - | |
| Jan 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Apr 26, 2024 | - | |
| Jan 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Apr 26, 2024 | - | |
| Jul 1, 2016 | - | Other | No | No | - | - | - | Resolved | Aug 3, 2016 | - | |
| Jul 1, 2015 | Jul 31, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2015 | - | |
| Jul 1, 2015 | Jul 31, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2015 | - | |
| Apr 1, 2013 | Apr 30, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2013 | - | |
| Apr 1, 2013 | Apr 30, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2013 | - | |
| Mar 1, 2013 | Mar 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2013 | - | |
| Mar 1, 2013 | Mar 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2013 | - | |
| Aug 1, 2012 | Aug 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2012 | - | |
| Aug 1, 2012 | Aug 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2012 | - | |
| Jul 1, 2012 | Jul 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2012 | - | |
| Jul 1, 2012 | Jul 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2012 | - | |
| Dec 1, 2011 | Dec 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2011 | - | |
| Dec 1, 2011 | Dec 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2011 | - | |
| Nov 1, 2011 | Nov 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2011 | - | |
| Nov 1, 2011 | - | MR | No | Yes | - | - | - | Resolved | Jul 9, 2012 | - | |
| Nov 1, 2011 | Nov 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2011 | - | |
| Nov 1, 2011 | Nov 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2011 | - | |
| Nov 1, 2011 | Nov 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2011 | - | |
| Oct 1, 2011 | Oct 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2011 | - | |
| Oct 1, 2011 | Oct 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2011 | - | |
| Sep 1, 2011 | Sep 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2011 | - | |
| Sep 1, 2011 | Sep 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2011 | - | |
| Oct 6, 2010 | - | MR | No | Yes | - | - | - | Resolved | Oct 27, 2010 | - | |
| Oct 1, 2010 | - | Other | No | No | - | - | - | Resolved | Jun 28, 2011 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Jul 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2010 | - | |
| Jul 1, 2010 | Jul 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2010 | - | |
| Jul 1, 2010 | - | Other | No | No | - | - | - | Resolved | Jul 20, 2010 | - | |
| Jun 1, 2010 | Jun 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2010 | - | |
| Jun 1, 2010 | Jun 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2010 | - | |
| Jun 1, 2010 | Jun 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2010 | - | |
| May 26, 2010 | - | MR | No | Yes | - | - | - | Resolved | Oct 27, 2010 | - | |
| May 1, 2010 | May 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2010 | - |
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.