PlainWater

POWER CITY WATER CO-OP

PWS ID: OR4100375 · UMATILLA, Oregon 97882

Population Served
70
Total Violations
245
Health-Based Violations
27
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
35
County
Umatilla
School/Daycare
No
MCL Violations
27
Monitoring Violations
202
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 111 2015
Coliform (TCR) MCL 27 2013
Lead and Copper Rule MR 6 2005
Consumer Confidence Rule Other 6 2025
Revised Total Coliform Rule MON 4 2025
Nitrate MR 4 2007
1,2,4-Trichlorobenzene MR 2 2005
cis-1,2-Dichloroethylene MR 2 2005
Xylenes, Total MR 2 2005
p-Dichlorobenzene MR 2 2005
Vinyl chloride MR 2 2005
1,1,1-Trichloroethane MR 2 2005
Carbon tetrachloride MR 2 2005
1,1,2-Trichloroethane MR 2 2005
CHLOROBENZENE MR 2 2005
Benzene MR 2 2005
Toluene MR 2 2005
TTHM MR 2 2007
Total Haloacetic Acids (HAA5) MR 2 2007
DICHLOROMETHANE MR 2 2005
trans-1,2-Dichloroethylene MR 2 2005
Tetrachloroethylene MR 2 2005
Ethylbenzene MR 2 2005
Public Notice Other 2 2010
1,1-Dichloroethylene MR 2 2005
Styrene MR 2 2005
o-Dichlorobenzene MR 2 2005
1,2-Dichloroethane MR 2 2005
Trichloroethylene MR 2 2005
1,2-Dichloropropane MR 2 2005
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.