PlainWater
States → Oregon

WILLAMINA, CITY OF

PWS ID: OR4100953 · WILLAMINA, Oregon 97396

Population Served
2,239
Total Violations
89
Health-Based Violations
5
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
900
County
Yamhill
School/Daycare
No
MCL Violations
0
Monitoring Violations
80
Treatment Tech Violations
5

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 14 2017
Interim Enhanced Surface Water Treatment Rule MR 7 2017
Surface Water Treatment Rule TT 5 1996
Consumer Confidence Rule Other 3 2002
Lead and Copper Rule MR 3 2003
Arsenic MR 3 2007
1,2,4-Trichlorobenzene MR 2 2006
cis-1,2-Dichloroethylene MR 2 2006
Xylenes, Total MR 2 2006
o-Dichlorobenzene MR 2 2006
p-Dichlorobenzene MR 2 2006
trans-1,2-Dichloroethylene MR 2 2006
Carbon tetrachloride MR 2 2006
1,2-Dichloropropane MR 2 2006
Trichloroethylene MR 2 2006
Tetrachloroethylene MR 2 2006
CHLOROBENZENE MR 2 2006
Benzene MR 2 2006
Toluene MR 2 2006
Ethylbenzene MR 2 2006
Styrene MR 2 2006
1,1,2-Trichloroethane MR 2 2006
DICHLOROMETHANE MR 2 2006
Vinyl chloride MR 2 2006
Coliform (TCR) MR 2 2006
1,1,1-Trichloroethane MR 2 2006
1,2-Dichloroethane MR 2 2006
1,1-Dichloroethylene MR 2 2006
Chromium MR 1 1979
Cadmium MR 1 1979
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.