WOUNDED KNEE WATER SYSTEM
PWS ID: 084690478 · PINE RIDGE, 08 57770
Population Served
255
Total Violations
86
Health-Based Violations
17
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 51
- School/Daycare
- No
- MCL Violations
- 15
- Monitoring Violations
- 59
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 25 | 2005 |
| Coliform (TCR) | MCL | 15 | 2002 |
| Lead and Copper Rule | MR | 12 | 2022 |
| Consumer Confidence Rule | Other | 9 | 2010 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2025 |
| TTHM | MR | 4 | 2025 |
| Gross Alpha, Excl. Radon and U | MR | 2 | 1982 |
| Nitrate | MR | 2 | 1994 |
| Groundwater Rule | TT | 1 | 2019 |
| Revised Total Coliform Rule | MON | 1 | 2019 |
| Asbestos | MR | 1 | 2020 |
| Mercury | MR | 1 | 1983 |
| Cadmium | MR | 1 | 1983 |
| Barium | MR | 1 | 1983 |
| Arsenic | MR | 1 | 1983 |
| Combined Radium (-226 and -228) | MR | 1 | 1976 |
| Chromium | MR | 1 | 1983 |
| Fluoride | MR | 1 | 1983 |
| Selenium | MR | 1 | 1983 |
| Long Term 2 Enhanced Surface Water Treatment Rule | TT | 1 | 2022 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.