SOUTH LAPWAI
PWS ID: 101600003 · LAPWAI, 10 83540
Population Served
235
Total Violations
121
Health-Based Violations
8
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 64
- School/Daycare
- No
- MCL Violations
- 8
- Monitoring Violations
- 101
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 37 | 2014 |
| Consumer Confidence Rule | Other | 10 | 2017 |
| Coliform (TCR) | MCL | 8 | 2008 |
| Nitrate | MR | 6 | 2023 |
| Lead and Copper Rule | MR | 6 | 2016 |
| Chlorine | MR | 4 | 2010 |
| TTHM | MR | 2 | 2008 |
| Nickel | MR | 2 | 2008 |
| Antimony, Total | MR | 2 | 2008 |
| Asbestos | MR | 2 | 2008 |
| Thallium, Total | MR | 2 | 2008 |
| Beryllium, Total | MR | 2 | 2008 |
| Total Haloacetic Acids (HAA5) | MR | 2 | 2008 |
| CYANIDE | MR | 2 | 2008 |
| DICHLOROMETHANE | MR | 1 | 2005 |
| 1,1-Dichloroethylene | MR | 1 | 2005 |
| 1,2-Dichloroethane | MR | 1 | 2005 |
| 1,1,1-Trichloroethane | MR | 1 | 2005 |
| Carbon tetrachloride | MR | 1 | 2005 |
| Tetrachloroethylene | MR | 1 | 2005 |
| Toluene | MR | 1 | 2005 |
| Styrene | MR | 1 | 2005 |
| Fluoride | MR | 1 | 2005 |
| Chromium | MR | 1 | 2005 |
| Mercury | MR | 1 | 2005 |
| Selenium | MR | 1 | 2005 |
| Arsenic | MR | 1 | 2005 |
| 2,3,7,8-TCDD | MR | 1 | 2008 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 2014 |
| Combined Uranium | MR | 1 | 2014 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.