OSAGE CO RWD 3
PWS ID: KS2013910 · VASSAR, Kansas 66543
Population Served
900
Total Violations
344
Health-Based Violations
203
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 441
- County
- Osage
- School/Daycare
- No
- MCL Violations
- 111
- Monitoring Violations
- 122
- Treatment Tech Violations
- 92
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | MR | 91 | 2024 |
| CARBON, TOTAL | TT | 68 | 2008 |
| Total Haloacetic Acids (HAA5) | MCL | 62 | 2011 |
| TTHM | MCL | 44 | 2006 |
| Surface Water Treatment Rule | TT | 20 | 1995 |
| Lead and Copper Rule | MR | 13 | 1994 |
| Lead and Copper Rule | Other | 7 | 1994 |
| Coliform (TCR) | MR | 6 | 1994 |
| Coliform (TCR) | MCL | 5 | 2014 |
| Interim Enhanced Surface Water Treatment Rule | TT | 4 | 2015 |
| Surface Water Treatment Rule | Other | 4 | 1993 |
| TTHM | MR | 3 | 2009 |
| Total Haloacetic Acids (HAA5) | MR | 3 | 2009 |
| CARBON, TOTAL | MR | 3 | 2022 |
| Stage 2 Disinfectants and Disinfection Byproducts Rule | MR | 3 | 2010 |
| Consumer Confidence Rule | Other | 2 | 2000 |
| Public Notice | Other | 2 | 2008 |
| LEAD AND COPPER RULE REVISIONS | RPT | 1 | 2025 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.