PlainWater

CASCADE VALLEY WATER DISTRICT

PWS ID: WA5311500 · MOSES LAKE, Washington 98837

Population Served
379
Total Violations
477
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
184
County
Grant
School/Daycare
No
MCL Violations
1
Monitoring Violations
470
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Cadmium MR 190 2009
Nitrate MR 19 2022
Coliform (TCR) MR 12 2013
Pentachlorophenol MR 6 2005
cis-1,2-Dichloroethylene MR 5 2005
Vinyl chloride MR 5 2005
1,1-Dichloroethylene MR 5 2005
trans-1,2-Dichloroethylene MR 5 2005
1,2-Dichloroethane MR 5 2005
1,1,1-Trichloroethane MR 5 2005
Carbon tetrachloride MR 5 2005
1,2-Dichloropropane MR 5 2005
Trichloroethylene MR 5 2005
1,1,2-Trichloroethane MR 5 2005
Tetrachloroethylene MR 5 2005
CHLOROBENZENE MR 5 2005
Toluene MR 5 2005
Ethylbenzene MR 5 2005
BHC-GAMMA MR 5 2005
Toxaphene MR 5 2005
Atrazine MR 5 2005
LASSO MR 5 2005
Heptachlor MR 5 2005
HEXACHLOROBENZENE MR 5 2005
Benzo(a)pyrene MR 5 2005
Picloram MR 5 2005
Dinoseb MR 5 2005
OXAMYL MR 5 2005
Aldicarb sulfoxide MR 5 2005
Carbofuran MR 5 2005
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.