ROYS NUMBER ONE
PWS ID: MO4292853 · BISMARCK, Missouri 63624-0000
Population Served
100
Total Violations
55
Health-Based Violations
20
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 2
- County
- Washington
- School/Daycare
- No
- MCL Violations
- 20
- Monitoring Violations
- 31
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 20 | 2009 |
| Coliform (TCR) | MR | 15 | 2009 |
| Nitrate-Nitrite | MR | 12 | 2023 |
| Revised Total Coliform Rule | MON | 4 | 2021 |
| Public Notice | Other | 3 | 2025 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.