SAINT LAWRENCE
PWS ID: SD4600286 · MILLER, South Dakota 57362
Population Served
198
Total Violations
263
Health-Based Violations
44
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 107
- County
- Hand
- School/Daycare
- No
- MCL Violations
- 44
- Monitoring Violations
- 190
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 44 | 1996 |
| Coliform (TCR) | MR | 34 | 1997 |
| Lead and Copper Rule | MR | 10 | 1996 |
| Coliform (TCR) | Other | 9 | 1997 |
| Gross Alpha, Excl. Radon and U | MR | 3 | 1988 |
| Combined Radium (-226 and -228) | MR | 3 | 1988 |
| Heptachlor | MR | 3 | 1993 |
| Methoxychlor | MR | 3 | 1993 |
| Di(2-ethylhexyl) adipate | MR | 3 | 1993 |
| Di(2-ethylhexyl) phthalate | MR | 3 | 1993 |
| Endrin | MR | 3 | 1993 |
| HEXACHLOROBENZENE | MR | 3 | 1993 |
| BHC-GAMMA | MR | 3 | 1993 |
| Toxaphene | MR | 3 | 1993 |
| Simazine | MR | 3 | 1993 |
| Aldicarb sulfone | MR | 3 | 1993 |
| Dalapon | MR | 3 | 1993 |
| Dinoseb | MR | 3 | 1993 |
| 2,4,5-TP | MR | 3 | 1993 |
| Pentachlorophenol | MR | 3 | 1993 |
| 2,4-D | MR | 3 | 1993 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 3 | 1993 |
| Endothall | MR | 3 | 1993 |
| Glyphosate | MR | 3 | 1993 |
| Atrazine | MR | 3 | 1993 |
| Hexachlorocyclopentadiene | MR | 3 | 1993 |
| Total Polychlorinated Biphenyls (PCB) | MR | 3 | 1993 |
| Heptachlor epoxide | MR | 3 | 1993 |
| ETHYLENE DIBROMIDE | MR | 3 | 1993 |
| OXAMYL | MR | 3 | 1993 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.