OBERLIN, CITY OF
PWS ID: KS2003903 · OBERLIN, Kansas 67749
Population Served
1,639
Total Violations
346
Health-Based Violations
317
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 970
- County
- Decatur
- School/Daycare
- No
- MCL Violations
- 317
- Monitoring Violations
- 12
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Combined Uranium | MCL | 159 | 2014 |
| Arsenic | MCL | 122 | 2014 |
| Nitrate | MCL | 17 | 1997 |
| Public Notice | Other | 14 | 2014 |
| Gross Alpha, Excl. Radon and U | MCL | 11 | 2012 |
| Nitrite | MCL | 6 | 1994 |
| TTHM | MR | 4 | 2023 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2023 |
| Lead and Copper Rule | MR | 4 | 2018 |
| Selenium | MCL | 2 | 1985 |
| LEAD AND COPPER RULE REVISIONS | RPT | 1 | 2025 |
| Consumer Confidence Rule | Other | 1 | 2001 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.