BAYER R&D SERVICES LLC - MARANA
PWS ID: AZ0410200 · TUCSON, Arizona 85743
Population Served
160
Total Violations
36
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Pima
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 14
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | RPT | 8 | 2025 |
| Public Notice | Other | 7 | 2021 |
| Lead and Copper Rule | MR | 7 | 2022 |
| Revised Total Coliform Rule | MON | 4 | 2019 |
| Nitrate | MR | 3 | 2020 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.