PlainWater
States → Washington

YACOLT

PWS ID: WA5399000 · Vancouver, Washington 98668

Population Served
3,034
Total Violations
80
Health-Based Violations
16
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
700
County
Clark
School/Daycare
No
MCL Violations
15
Monitoring Violations
62
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 15 1997
Pentachlorophenol MR 4 2002
Di(2-ethylhexyl) adipate MR 2 2002
Dinoseb MR 2 2002
Dalapon MR 2 2002
2,4,5-TP MR 2 2002
Toxaphene MR 2 2002
HEXACHLOROBENZENE MR 2 2002
Chlordane MR 2 2002
Aldicarb sulfoxide MR 2 2002
BHC-GAMMA MR 2 2002
Methoxychlor MR 2 2002
Aldicarb sulfone MR 2 2002
Heptachlor MR 2 2002
LASSO MR 2 2002
OXAMYL MR 2 2002
Endrin MR 2 2002
Simazine MR 2 2002
Aldicarb MR 2 2002
Hexachlorocyclopentadiene MR 2 2002
Picloram MR 2 2002
Carbofuran MR 2 2002
Benzo(a)pyrene MR 2 2002
Atrazine MR 2 2002
Di(2-ethylhexyl) phthalate MR 2 2002
Heptachlor epoxide MR 2 2002
Consumer Confidence Rule Other 1 2010
Lead and Copper Rule TT 1 2022
Coliform (TCR) MR 1 1992
Nitrate MR 1 1979
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.