PlainWater
States → Washington

PIONEER

PWS ID: WA5304387 · Olympia, Washington 98502

Population Served
84
Total Violations
2,002
Health-Based Violations
2
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
43
County
Thurston
School/Daycare
No
MCL Violations
2
Monitoring Violations
2,000
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Pentachlorophenol MR 54 2007
1,2,4-Trichlorobenzene MR 42 2007
cis-1,2-Dichloroethylene MR 42 2007
o-Dichlorobenzene MR 42 2007
p-Dichlorobenzene MR 42 2007
Vinyl chloride MR 42 2007
1,1-Dichloroethylene MR 42 2007
trans-1,2-Dichloroethylene MR 42 2007
1,2-Dichloropropane MR 42 2007
1,1,2-Trichloroethane MR 42 2007
Tetrachloroethylene MR 42 2007
Toluene MR 42 2007
Ethylbenzene MR 42 2007
Styrene MR 42 2007
Endrin MR 42 2007
BHC-GAMMA MR 42 2007
Methoxychlor MR 42 2007
Toxaphene MR 42 2007
Di(2-ethylhexyl) adipate MR 42 2007
Simazine MR 42 2007
Di(2-ethylhexyl) phthalate MR 42 2007
Hexachlorocyclopentadiene MR 42 2007
Atrazine MR 42 2007
LASSO MR 42 2007
Heptachlor epoxide MR 42 2007
Benzo(a)pyrene MR 42 2007
Dinoseb MR 42 2007
2,4,5-TP MR 42 2007
Carbofuran MR 42 2007
ETHYLENE DIBROMIDE MR 42 2007
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.