GRAND CANYON DRINKING WATER
PWS ID: AZ0403097 · WILLIAMS, Arizona 86046
Population Served
260
Total Violations
73
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Coconino
- School/Daycare
- No
- MCL Violations
- 4
- Monitoring Violations
- 62
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 29 | 2015 |
| Chlorine | MR | 21 | 2023 |
| Lead and Copper Rule | MR | 7 | 2010 |
| Coliform (TCR) | MCL | 4 | 2010 |
| Revised Total Coliform Rule | RPT | 4 | 2021 |
| Revised Total Coliform Rule | MON | 3 | 2017 |
| TTHM | MR | 1 | 2009 |
| Total Haloacetic Acids (HAA5) | MR | 1 | 2009 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.