PIERPONT
PWS ID: SD4600241 · PIERPONT, South Dakota 57468
Population Served
129
Total Violations
34
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 74
- County
- Day
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 14
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 9 | 2003 |
| Revised Total Coliform Rule | MON | 3 | 2021 |
| Public Notice | Other | 1 | 2003 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1976 |
| Combined Radium (-226 and -228) | MR | 1 | 1976 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.