USFS KNF TUSAYAN ADMIN
PWS ID: AZ0403659 · FLAGSTAFF, Arizona 86001-2529
Population Served
80
Total Violations
200
Health-Based Violations
14
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Federal
- Connections
- 31
- County
- Coconino
- School/Daycare
- No
- MCL Violations
- 6
- Monitoring Violations
- 139
- Treatment Tech Violations
- 8
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Chlorine | MR | 65 | 2023 |
| Coliform (TCR) | MR | 43 | 2016 |
| Consumer Confidence Rule | Other | 18 | 2021 |
| Lead and Copper Rule | MR | 10 | 2024 |
| Revised Total Coliform Rule | MON | 8 | 2024 |
| TTHM | MCL | 6 | 2020 |
| Revised Total Coliform Rule | RPT | 6 | 2022 |
| Total Haloacetic Acids (HAA5) | MR | 6 | 2023 |
| TTHM | MR | 6 | 2023 |
| Public Notice | Other | 5 | 2025 |
| Groundwater Rule | TT | 4 | 2022 |
| Revised Total Coliform Rule | TT | 2 | 2022 |
| Surface Water Treatment Rule | TT | 2 | 1992 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1984 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.