CATERPILLAR INC
PWS ID: AZ0410258 · GREEN VALLEY, Arizona 85614
Population Served
200
Total Violations
49
Health-Based Violations
1
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Public/Private
- Connections
- 2
- County
- Pima
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 46
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| DICHLOROMETHANE | MR | 21 | 2004 |
| 1,1,1-Trichloroethane | MR | 21 | 2004 |
| Coliform (TCR) | MR | 3 | 2014 |
| Coliform (TCR) | MCL | 1 | 2000 |
| Nitrate | MR | 1 | 1998 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.