PlainWater
States → Oregon

WASCO, CITY OF

PWS ID: OR4100935 · WASCO, Oregon 97065

Population Served
460
Total Violations
160
Health-Based Violations
35
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
215
County
Sherman
School/Daycare
No
MCL Violations
35
Monitoring Violations
119
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 34 2014
Coliform (TCR) MR 6 2008
Nitrate MR 5 2004
Di(2-ethylhexyl) phthalate MR 4 2011
Toluene MR 3 2011
cis-1,2-Dichloroethylene MR 2 2011
o-Dichlorobenzene MR 2 2011
1,1-Dichloroethylene MR 2 2011
Carbon tetrachloride MR 2 2011
1,2-Dichloropropane MR 2 2011
Trichloroethylene MR 2 2011
Tetrachloroethylene MR 2 2011
Benzene MR 2 2011
Ethylbenzene MR 2 2011
Endrin MR 2 2002
BHC-GAMMA MR 2 2002
Methoxychlor MR 2 2002
Toxaphene MR 2 2002
Diquat MR 2 2002
Endothall MR 2 2002
Glyphosate MR 2 2002
Di(2-ethylhexyl) adipate MR 2 2002
OXAMYL MR 2 2002
Picloram MR 2 2002
Dinoseb MR 2 2002
Hexachlorocyclopentadiene MR 2 2002
Carbofuran MR 2 2002
Atrazine MR 2 2002
LASSO MR 2 2002
2,4-D MR 2 2002
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.