PlainWater

WHIDBEY WEST WATER ASSOC.

PWS ID: WA5336314 · Coupeville, Washington 98239

Population Served
415
Total Violations
111
Health-Based Violations
32
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
189
County
Island
School/Daycare
No
MCL Violations
32
Monitoring Violations
75
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 34 2019
Nitrate MR 18 2022
Coliform (TCR) MCL 13 1997
TTHM MCL 10 2024
Total Haloacetic Acids (HAA5) MCL 9 2021
Consumer Confidence Rule Other 2 2024
TTHM MR 1 2024
Coliform (TCR) MR 1 1992
cis-1,2-Dichloroethylene MR 1 2002
DICHLOROMETHANE MR 1 2002
Carbon tetrachloride MR 1 2002
CHLOROBENZENE MR 1 2002
Toluene MR 1 2002
1,2,4-Trichlorobenzene MR 1 2002
trans-1,2-Dichloroethylene MR 1 2002
Styrene MR 1 2002
Vinyl chloride MR 1 2002
o-Dichlorobenzene MR 1 2002
Benzene MR 1 2002
1,1-Dichloroethylene MR 1 2002
Total Haloacetic Acids (HAA5) MR 1 2024
Tetrachloroethylene MR 1 2002
Trichloroethylene MR 1 2002
1,1,2-Trichloroethane MR 1 2002
1,2-Dichloroethane MR 1 2002
1,1,1-Trichloroethane MR 1 2002
Ethylbenzene MR 1 2002
1,2-Dichloropropane MR 1 2002
p-Dichlorobenzene MR 1 2002
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.