PlainWater

JEFFERSON, CITY OF

PWS ID: OR4100408 · JEFFERSON, Oregon 97352

Population Served
3,348
Total Violations
55
Health-Based Violations
1
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,150
County
Marion
School/Daycare
No
MCL Violations
0
Monitoring Violations
51
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 12 2025
Coliform (TCR) MR 8 2012
Interim Enhanced Surface Water Treatment Rule MR 4 2018
Nitrate MR 2 2004
Arsenic MR 1 2004
cis-1,2-Dichloroethylene MR 1 2004
Xylenes, Total MR 1 2004
o-Dichlorobenzene MR 1 2004
p-Dichlorobenzene MR 1 2004
Vinyl chloride MR 1 2004
trans-1,2-Dichloroethylene MR 1 2004
1,2-Dichloroethane MR 1 2004
1,1,1-Trichloroethane MR 1 2004
1,2-Dichloropropane MR 1 2004
1,1,2-Trichloroethane MR 1 2004
Benzene MR 1 2004
Toluene MR 1 2004
Ethylbenzene MR 1 2004
Surface Water Treatment Rule TT 1 1995
Revised Total Coliform Rule MON 1 2021
Combined Radium (-226 and -228) MR 1 1976
Gross Alpha, Excl. Radon and U MR 1 1976
Trichloroethylene MR 1 2004
Styrene MR 1 2004
CHLOROBENZENE MR 1 2004
1,2,4-Trichlorobenzene MR 1 2004
DICHLOROMETHANE MR 1 2004
Tetrachloroethylene MR 1 2004
Carbon tetrachloride MR 1 2004
1,1-Dichloroethylene MR 1 2004
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.