PlainWater

THE MARYLHURST SCHOOL

PWS ID: OR4105094 · OREGON CITY, Oregon 97045

Population Served
140
Total Violations
157
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
6
County
Clackamas
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
156
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 12 2013
Nitrate MR 10 2019
Lead and Copper Rule MR 9 2005
Revised Total Coliform Rule MON 4 2021
Nickel MR 3 2005
Carbon tetrachloride MR 2 2005
DICHLOROMETHANE MR 2 2005
Ethylbenzene MR 2 2005
CHLOROBENZENE MR 2 2005
p-Dichlorobenzene MR 2 2005
Styrene MR 2 2005
trans-1,2-Dichloroethylene MR 2 2005
2,4-D MR 2 2005
2,4,5-TP MR 2 2005
Atrazine MR 2 2005
Benzo(a)pyrene MR 2 2005
BHC-GAMMA MR 2 2005
Carbofuran MR 2 2005
Chlordane MR 2 2005
Diquat MR 2 2005
Endothall MR 2 2005
ETHYLENE DIBROMIDE MR 2 2005
Heptachlor MR 2 2005
HEXACHLOROBENZENE MR 2 2005
Hexachlorocyclopentadiene MR 2 2005
Di(2-ethylhexyl) phthalate MR 2 2005
Picloram MR 2 2005
Total Polychlorinated Biphenyls (PCB) MR 2 2005
Toxaphene MR 2 2005
OXAMYL MR 2 2005
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.