PONDEROSA UTILITY CORP
PWS ID: AZ0403018 · FLAGSTAFF, Arizona 86005
Population Served
1,585
Total Violations
134
Health-Based Violations
23
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 691
- County
- Coconino
- School/Daycare
- No
- MCL Violations
- 11
- Monitoring Violations
- 79
- Treatment Tech Violations
- 12
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 35 | 2013 |
| Consumer Confidence Rule | Other | 12 | 2016 |
| Coliform (TCR) | MCL | 11 | 2015 |
| Groundwater Rule | TT | 10 | 2024 |
| Lead and Copper Rule | MR | 7 | 2023 |
| Nitrate | MR | 5 | 2006 |
| E. COLI | MR | 3 | 2011 |
| Revised Total Coliform Rule | TT | 2 | 2023 |
| Mercury | MR | 1 | 1991 |
| Selenium | MR | 1 | 1991 |
| cis-1,2-Dichloroethylene | MR | 1 | 2002 |
| p-Dichlorobenzene | MR | 1 | 2002 |
| Xylenes, Total | MR | 1 | 2002 |
| o-Dichlorobenzene | MR | 1 | 2002 |
| 1,1-Dichloroethylene | MR | 1 | 2002 |
| 1,2-Dichloroethane | MR | 1 | 2002 |
| 1,2-Dichloropropane | MR | 1 | 2002 |
| Trichloroethylene | MR | 1 | 2002 |
| CHLOROBENZENE | MR | 1 | 2002 |
| Benzene | MR | 1 | 2002 |
| Toluene | MR | 1 | 2002 |
| Endothall | MR | 1 | 2004 |
| Arsenic | MR | 1 | 1991 |
| Cadmium | MR | 1 | 1991 |
| Chromium | MR | 1 | 1991 |
| DICHLOROMETHANE | MR | 1 | 2002 |
| 1,1,1-Trichloroethane | MR | 1 | 2002 |
| Carbon tetrachloride | MR | 1 | 2002 |
| Ethylbenzene | MR | 1 | 2002 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1991 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.