NIANGUA PWS
PWS ID: MO5010575 · NIANGUA, Missouri 65713-0000
Population Served
411
Total Violations
74
Health-Based Violations
15
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 178
- County
- Webster
- School/Daycare
- No
- MCL Violations
- 11
- Monitoring Violations
- 52
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | MON | 29 | 2025 |
| Coliform (TCR) | MR | 18 | 2010 |
| Coliform (TCR) | MCL | 11 | 2002 |
| Revised Total Coliform Rule | TT | 4 | 2024 |
| E. COLI | MR | 4 | 2025 |
| Public Notice | Other | 1 | 2024 |
| Lead and Copper Rule | MR | 1 | 2024 |
| Consumer Confidence Rule | Other | 1 | 2022 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.