CROW CREEK SIOUX TRIBE WATER SYSTEM
PWS ID: 084690439 · FORT THOMPSON, 08 57339
Population Served
130
Total Violations
191
Health-Based Violations
0
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 27
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 187
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 39 | 2012 |
| Lead and Copper Rule | MR | 7 | 2024 |
| Cadmium | MR | 4 | 2005 |
| Mercury | MR | 4 | 2005 |
| Selenium | MR | 4 | 2005 |
| Fluoride | MR | 4 | 2005 |
| Barium | MR | 4 | 2005 |
| Chromium | MR | 4 | 2005 |
| Arsenic | MR | 4 | 2005 |
| Consumer Confidence Rule | Other | 3 | 2011 |
| Endrin | MR | 3 | 2005 |
| Methoxychlor | MR | 3 | 2005 |
| Toxaphene | MR | 3 | 2005 |
| Dalapon | MR | 3 | 2005 |
| Diquat | MR | 3 | 2005 |
| Endothall | MR | 3 | 2005 |
| Di(2-ethylhexyl) adipate | MR | 3 | 2005 |
| OXAMYL | MR | 3 | 2005 |
| Atrazine | MR | 3 | 2005 |
| Heptachlor | MR | 3 | 2005 |
| Heptachlor epoxide | MR | 3 | 2005 |
| 2,4-D | MR | 3 | 2005 |
| 2,4,5-TP | MR | 3 | 2005 |
| Benzo(a)pyrene | MR | 3 | 2005 |
| Pentachlorophenol | MR | 3 | 2005 |
| Total Polychlorinated Biphenyls (PCB) | MR | 3 | 2005 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 3 | 2005 |
| ETHYLENE DIBROMIDE | MR | 3 | 2005 |
| CYANIDE | MR | 3 | 2005 |
| Thallium, Total | MR | 3 | 2005 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.