CHAUTAUQUA CO RWD 4
PWS ID: KS2001911 · SEDAN, Kansas 67361
Population Served
475
Total Violations
30
Health-Based Violations
7
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 331
- County
- Chautauqua
- School/Daycare
- No
- MCL Violations
- 7
- Monitoring Violations
- 17
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 7 | 2024 |
| Total Haloacetic Acids (HAA5) | MCL | 7 | 2025 |
| Coliform (TCR) | MR | 4 | 2011 |
| Consumer Confidence Rule | Other | 4 | 2018 |
| TTHM | MR | 3 | 2021 |
| Total Haloacetic Acids (HAA5) | MR | 3 | 2021 |
| Public Notice | Other | 2 | 2022 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.