PlainWater
States → Washington

ROSALIA TOWN OF

PWS ID: WA5374250 · Rosalia, Washington 99170

Population Served
831
Total Violations
64
Health-Based Violations
9
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
311
County
Whitman
School/Daycare
No
MCL Violations
9
Monitoring Violations
46
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 9 2006
Consumer Confidence Rule Other 6 2018
Coliform (TCR) MR 3 2012
cis-1,2-Dichloroethylene MR 2 2008
o-Dichlorobenzene MR 2 2008
trans-1,2-Dichloroethylene MR 2 2008
Tetrachloroethylene MR 2 2008
CHLOROBENZENE MR 2 2008
Benzene MR 2 2008
p-Dichlorobenzene MR 2 2008
Vinyl chloride MR 2 2008
1,1-Dichloroethylene MR 2 2008
1,2-Dichloroethane MR 2 2008
1,1,1-Trichloroethane MR 2 2008
1,2-Dichloropropane MR 2 2008
Trichloroethylene MR 2 2008
1,1,2-Trichloroethane MR 2 2008
Ethylbenzene MR 2 2008
Styrene MR 2 2008
Nitrate MR 2 2022
1,2,4-Trichlorobenzene MR 2 2008
DICHLOROMETHANE MR 2 2008
Carbon tetrachloride MR 2 2008
Toluene MR 2 2008
Gross Alpha, Excl. Radon and U MR 1 1979
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.