JEFFERSON CO RWD 11
PWS ID: KS2008712 · OZAWKIE, Kansas 66070
Population Served
483
Total Violations
30
Health-Based Violations
7
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 214
- County
- Jefferson
- School/Daycare
- No
- MCL Violations
- 7
- Monitoring Violations
- 13
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Groundwater Rule | MR | 4 | 2012 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2019 |
| TTHM | MR | 4 | 2019 |
| Revised Total Coliform Rule | MCL | 4 | 2019 |
| Consumer Confidence Rule | Other | 3 | 2005 |
| Coliform (TCR) | MCL | 3 | 1993 |
| Lead and Copper Rule | MR | 1 | 1994 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.