SENTINEL ELEMENTARY SCHOOL
PWS ID: AZ0407335 · DATELAND, Arizona 85333
Population Served
70
Total Violations
27
Health-Based Violations
2
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Local
- Connections
- 10
- County
- Maricopa
- School/Daycare
- Yes
- MCL Violations
- 2
- Monitoring Violations
- 24
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Fluoride | MR | 7 | 1991 |
| Arsenic | MR | 6 | 2008 |
| Coliform (TCR) | MR | 5 | 2005 |
| Fluoride | MCL | 2 | 1988 |
| Chromium | MR | 1 | 1988 |
| Cadmium | MR | 1 | 1988 |
| Barium | MR | 1 | 1988 |
| Selenium | MR | 1 | 1988 |
| Nitrate | MR | 1 | 1988 |
| Mercury | MR | 1 | 1988 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.