SULWHANON
PWS ID: 105300141 · DEMING, 10 98244
Population Served
150
Total Violations
391
Health-Based Violations
8
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 27
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 358
- Treatment Tech Violations
- 7
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Consumer Confidence Rule | Other | 23 | 2023 |
| Nitrate | MR | 15 | 2024 |
| Lead and Copper Rule | MR | 15 | 2024 |
| Coliform (TCR) | MR | 11 | 2015 |
| Chlorine | MR | 11 | 2019 |
| Revised Total Coliform Rule | MON | 8 | 2019 |
| TTHM | MR | 7 | 2023 |
| Atrazine | MR | 7 | 2017 |
| Total Haloacetic Acids (HAA5) | MR | 7 | 2023 |
| Benzene | MR | 6 | 2017 |
| Glyphosate | MR | 5 | 2017 |
| Gross Alpha, Excl. Radon and U | MR | 5 | 2014 |
| Combined Radium (-226 and -228) | MR | 5 | 2014 |
| Combined Uranium | MR | 5 | 2014 |
| Di(2-ethylhexyl) adipate | MR | 5 | 2017 |
| BHC-GAMMA | MR | 5 | 2017 |
| Methoxychlor | MR | 5 | 2017 |
| Toxaphene | MR | 5 | 2017 |
| Diquat | MR | 5 | 2017 |
| OXAMYL | MR | 5 | 2017 |
| Di(2-ethylhexyl) phthalate | MR | 5 | 2017 |
| Picloram | MR | 5 | 2017 |
| Hexachlorocyclopentadiene | MR | 5 | 2017 |
| Carbofuran | MR | 5 | 2017 |
| LASSO | MR | 5 | 2017 |
| 2,3,7,8-TCDD | MR | 5 | 2017 |
| Heptachlor | MR | 5 | 2017 |
| 2,4,5-TP | MR | 5 | 2017 |
| Benzo(a)pyrene | MR | 5 | 2017 |
| Total Polychlorinated Biphenyls (PCB) | MR | 5 | 2017 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.