WHITE SWAN
PWS ID: 105300026 · TOPPENISH, 10 98948
Population Served
900
Total Violations
647
Health-Based Violations
51
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 243
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 574
- Treatment Tech Violations
- 49
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Groundwater Rule | TT | 49 | 2021 |
| Di(2-ethylhexyl) phthalate | MR | 28 | 2019 |
| Coliform (TCR) | MR | 14 | 2011 |
| Atrazine | MR | 12 | 2018 |
| Thallium, Total | MR | 12 | 2014 |
| Nitrate | MR | 12 | 2017 |
| 2,3,7,8-TCDD | MR | 11 | 2018 |
| Consumer Confidence Rule | Other | 11 | 2019 |
| Chlordane | MR | 10 | 2018 |
| ETHYLENE DIBROMIDE | MR | 9 | 2018 |
| Pentachlorophenol | MR | 9 | 2018 |
| Benzo(a)pyrene | MR | 9 | 2018 |
| 2,4,5-TP | MR | 9 | 2018 |
| Hexachlorocyclopentadiene | MR | 9 | 2018 |
| Dinoseb | MR | 9 | 2018 |
| Simazine | MR | 9 | 2018 |
| OXAMYL | MR | 9 | 2018 |
| Glyphosate | MR | 9 | 2018 |
| Diquat | MR | 9 | 2018 |
| Dalapon | MR | 9 | 2018 |
| Methoxychlor | MR | 9 | 2018 |
| BHC-GAMMA | MR | 9 | 2018 |
| Endrin | MR | 9 | 2018 |
| Toxaphene | MR | 9 | 2018 |
| Endothall | MR | 9 | 2018 |
| Carbofuran | MR | 9 | 2018 |
| LASSO | MR | 9 | 2018 |
| HEXACHLOROBENZENE | MR | 9 | 2018 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 9 | 2018 |
| Heptachlor epoxide | MR | 9 | 2018 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.