ADOT SENTINEL REST AREA C21
PWS ID: AZ0407110 · PHOENIX, Arizona 85007-3217
Population Served
200
Total Violations
68
Health-Based Violations
9
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- State
- Connections
- 3
- County
- Maricopa
- School/Daycare
- No
- MCL Violations
- 9
- Monitoring Violations
- 50
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 20 | 2014 |
| Coliform (TCR) | MCL | 9 | 2015 |
| Revised Total Coliform Rule | RPT | 7 | 2021 |
| Nitrate | MR | 5 | 2005 |
| Revised Total Coliform Rule | MON | 4 | 2019 |
| Mercury | MR | 3 | 1989 |
| Chromium | MR | 3 | 1989 |
| Fluoride | MR | 3 | 1989 |
| Cadmium | MR | 3 | 1989 |
| Barium | MR | 3 | 1989 |
| Arsenic | MR | 3 | 1989 |
| Selenium | MR | 3 | 1989 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.