WALNUT CANYON NATL MONUMENT
PWS ID: AZ0403716 · FLAGSTAFF, Arizona 86004
Population Served
700
Total Violations
24
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Federal
- Connections
- 1
- County
- Coconino
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 21
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 11 | 2013 |
| Nitrate | MR | 9 | 2014 |
| E. COLI | MR | 1 | 2012 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.