PlainWater

LONDON WATER CO-OP

PWS ID: OR4100239 · COTTAGE GROVE, Oregon 97424

Population Served
63
Total Violations
862
Health-Based Violations
202
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
24
County
Lane
School/Daycare
No
MCL Violations
10
Monitoring Violations
572
Treatment Tech Violations
192

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 300 2024
Interim Enhanced Surface Water Treatment Rule TT 152 2025
Interim Enhanced Surface Water Treatment Rule MR 92 2024
Public Notice Other 56 2025
Coliform (TCR) MR 35 2013
Surface Water Treatment Rule TT 35 2015
Consumer Confidence Rule Other 15 2025
Revised Total Coliform Rule MON 11 2023
Revised Total Coliform Rule MCL 8 2022
Total Haloacetic Acids (HAA5) MR 6 2021
TTHM MR 6 2021
1,2,4-Trichlorobenzene MR 5 2021
cis-1,2-Dichloroethylene MR 5 2021
DICHLOROMETHANE MR 5 2021
o-Dichlorobenzene MR 5 2021
p-Dichlorobenzene MR 5 2021
Vinyl chloride MR 5 2021
1,1-Dichloroethylene MR 5 2021
trans-1,2-Dichloroethylene MR 5 2021
1,2-Dichloroethane MR 5 2021
1,1,1-Trichloroethane MR 5 2021
Carbon tetrachloride MR 5 2021
Trichloroethylene MR 5 2021
1,1,2-Trichloroethane MR 5 2021
CHLOROBENZENE MR 5 2021
Toluene MR 5 2021
Xylenes, Total MR 5 2021
Benzene MR 5 2021
Ethylbenzene MR 5 2021
1,2-Dichloropropane MR 5 2021
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.