PlainWater

CHART SUBDIVISION

PWS ID: OR4101415 · HERMISTON, Oregon 97838

Population Served
125
Total Violations
302
Health-Based Violations
14
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
33
County
Umatilla
School/Daycare
No
MCL Violations
14
Monitoring Violations
282
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 97 2016
Lead and Copper Rule MR 13 2011
Coliform (TCR) MCL 11 2009
Nitrate MR 10 2011
Carbon tetrachloride MR 3 2005
cis-1,2-Dichloroethylene MR 3 2005
DICHLOROMETHANE MR 3 2005
CHLOROBENZENE MR 3 2005
o-Dichlorobenzene MR 3 2005
Trichloroethylene MR 3 2005
2,4-D MR 3 2005
Di(2-ethylhexyl) adipate MR 3 2005
LASSO MR 3 2005
BHC-GAMMA MR 3 2005
Carbofuran MR 3 2005
Chlordane MR 3 2005
1,2-DIBROMO-3-CHLOROPROPANE MR 3 2005
Dinoseb MR 3 2005
Diquat MR 3 2005
Endothall MR 3 2005
ETHYLENE DIBROMIDE MR 3 2005
Glyphosate MR 3 2005
HEXACHLOROBENZENE MR 3 2005
Hexachlorocyclopentadiene MR 3 2005
Methoxychlor MR 3 2005
Pentachlorophenol MR 3 2005
Di(2-ethylhexyl) phthalate MR 3 2005
Picloram MR 3 2005
Total Polychlorinated Biphenyls (PCB) MR 3 2005
Simazine MR 3 2005
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.