HILLSBORO PWS
PWS ID: MO6010368 · HILLSBORO, Missouri 63050-0000
Population Served
3,000
Total Violations
75
Health-Based Violations
56
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 1,310
- County
- Jefferson
- School/Daycare
- No
- MCL Violations
- 52
- Monitoring Violations
- 12
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 52 | 2012 |
| Coliform (TCR) | MR | 8 | 2013 |
| Revised Total Coliform Rule | TT | 4 | 2025 |
| Revised Total Coliform Rule | MON | 4 | 2022 |
| Public Notice | Other | 2 | 2025 |
| Consumer Confidence Rule | Other | 1 | 2019 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.