ARIZONA WATER CO - TIERRA GRANDE
PWS ID: AZ0411076 · PHOENIX, Arizona 85015-5351
Population Served
1,796
Total Violations
23
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Public/Private
- Connections
- 374
- County
- Pinal
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 12
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 5 | 2008 |
| Chlorine | MR | 4 | 2015 |
| LEAD AND COPPER RULE REVISIONS | RPT | 4 | 2024 |
| LEAD AND COPPER RULE REVISIONS | TT | 4 | 2024 |
| Lead and Copper Rule | MR | 2 | 2014 |
| Revised Total Coliform Rule | RPT | 2 | 2020 |
| Nitrate | MR | 1 | 2001 |
| Consumer Confidence Rule | Other | 1 | 2002 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.