ST JOHN, CITY OF
PWS ID: KS2018502 · ST JOHN, Kansas 67576-0367
Population Served
1,176
Total Violations
69
Health-Based Violations
33
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 625
- County
- Stafford
- School/Daycare
- No
- MCL Violations
- 33
- Monitoring Violations
- 23
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MCL | 33 | 2021 |
| Coliform (TCR) | MR | 11 | 2013 |
| Lead and Copper Rule | MR | 6 | 2022 |
| Public Notice | Other | 5 | 2021 |
| Revised Total Coliform Rule | MON | 4 | 2019 |
| Groundwater Rule | Other | 3 | 2020 |
| Consumer Confidence Rule | Other | 1 | 2000 |
| TTHM | MR | 1 | 2025 |
| Total Haloacetic Acids (HAA5) | MR | 1 | 2025 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.