WILLIS CONSTRUCTION WS
PWS ID: CA3500919 · SAN JUAN BAUTISTA, California 95045
Population Served
76
Total Violations
16
Health-Based Violations
12
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 7
- County
- San Benito
- School/Daycare
- No
- MCL Violations
- 12
- Monitoring Violations
- 2
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 11 | 2011 |
| Coliform (TCR) | MR | 2 | 2004 |
| Arsenic | MCL | 1 | 2022 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.