PlainWater
States10

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.