SENECA
PWS ID: SD4600292 · SENECA, South Dakota 57473
Population Served
25
Total Violations
40
Health-Based Violations
14
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 20
- County
- Faulk
- School/Daycare
- No
- MCL Violations
- 6
- Monitoring Violations
- 18
- Treatment Tech Violations
- 8
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | 8 | 2018 |
| Coliform (TCR) | MR | 7 | 2010 |
| Lead and Copper Rule | MR | 6 | 1995 |
| Coliform (TCR) | MCL | 6 | 1994 |
| Chlorine | MR | 3 | 2010 |
| Combined Radium (-226 and -228) | MR | 1 | 1976 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1976 |
| Public Notice | Other | 1 | 2011 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.