ESTELLINE
PWS ID: SD4600119 · ESTELLINE, South Dakota 57234
Population Served
749
Total Violations
205
Health-Based Violations
67
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 325
- County
- Hamlin
- School/Daycare
- No
- MCL Violations
- 65
- Monitoring Violations
- 109
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 33 | 2005 |
| Nitrate | MCL | 32 | 2007 |
| Nitrate | MR | 15 | 2019 |
| Coliform (TCR) | MR | 11 | 2005 |
| Aldicarb | MR | 3 | 1999 |
| Aldicarb sulfone | MR | 3 | 1999 |
| Dalapon | MR | 3 | 1999 |
| Dinoseb | MR | 3 | 1999 |
| 2,4,5-TP | MR | 3 | 1999 |
| Pentachlorophenol | MR | 3 | 1999 |
| Coliform (TCR) | Other | 3 | 1997 |
| Picloram | MR | 3 | 1999 |
| Glyphosate | MR | 3 | 1999 |
| Aldicarb sulfoxide | MR | 3 | 1999 |
| Carbofuran | MR | 3 | 1999 |
| 2,4-D | MR | 3 | 1999 |
| OXAMYL | MR | 3 | 1999 |
| Lead and Copper Rule | MR | 3 | 1993 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | 2 | 2023 |
| Vinyl chloride | MR | 2 | 1999 |
| 1,1,1-Trichloroethane | MR | 2 | 1999 |
| Ethylbenzene | MR | 2 | 1999 |
| Xylenes, Total | MR | 2 | 1999 |
| CHLOROBENZENE | MR | 2 | 1999 |
| trans-1,2-Dichloroethylene | MR | 2 | 1999 |
| 1,2-Dichloropropane | MR | 2 | 1999 |
| p-Dichlorobenzene | MR | 2 | 1999 |
| Trichloroethylene | MR | 2 | 1999 |
| Styrene | MR | 2 | 1999 |
| 1,2-Dichloroethane | MR | 2 | 1999 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.