PlainWater
States → Washington

HAMILTON AL

PWS ID: WA5330705 · Napavine, Washington 98565

Population Served
1,807
Total Violations
1,553
Health-Based Violations
9
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
6
County
Lewis
School/Daycare
No
MCL Violations
9
Monitoring Violations
1,543
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
cis-1,2-Dichloroethylene MR 57 2010
p-Dichlorobenzene MR 57 2010
trans-1,2-Dichloroethylene MR 57 2010
1,2-Dichloroethane MR 57 2010
1,1,1-Trichloroethane MR 57 2010
1,2-Dichloropropane MR 57 2010
Trichloroethylene MR 57 2010
1,1,2-Trichloroethane MR 57 2010
CHLOROBENZENE MR 57 2010
Benzene MR 57 2010
Toluene MR 57 2010
Ethylbenzene MR 57 2010
Styrene MR 57 2010
DICHLOROMETHANE MR 57 2010
Vinyl chloride MR 57 2010
Carbon tetrachloride MR 57 2010
1,2,4-Trichlorobenzene MR 57 2010
o-Dichlorobenzene MR 57 2010
1,1-Dichloroethylene MR 57 2010
Tetrachloroethylene MR 57 2010
Pentachlorophenol MR 26 2006
Lead and Copper Rule MR 17 2007
Coliform (TCR) MR 15 1999
Aldicarb MR 15 2006
Aldicarb sulfone MR 15 2006
Carbofuran MR 15 2006
Aldicarb sulfoxide MR 15 2006
OXAMYL MR 15 2006
Methoxychlor MR 13 2006
Toxaphene MR 13 2006
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.