USFS KNF BIG SPRINGS
PWS ID: AZ0403650 · FLAGSTAFF, Arizona 86001-2529
Population Served
25
Total Violations
111
Health-Based Violations
12
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Federal
- Connections
- 13
- County
- Coconino
- School/Daycare
- No
- MCL Violations
- 7
- Monitoring Violations
- 89
- Treatment Tech Violations
- 5
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 71 | 2015 |
| Coliform (TCR) | MCL | 7 | 2005 |
| Nitrate | MR | 7 | 2024 |
| Revised Total Coliform Rule | RPT | 7 | 2025 |
| Revised Total Coliform Rule | MON | 6 | 2023 |
| E. COLI | MR | 5 | 2024 |
| Revised Total Coliform Rule | TT | 5 | 2025 |
| Public Notice | Other | 1 | 2025 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.