PlainWater

OROVILLE CITY OF

PWS ID: WA5364400 · Oroville, Washington 98844-2200

Population Served
3,256
Total Violations
92
Health-Based Violations
19
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,732
County
Okanogan
School/Daycare
No
MCL Violations
19
Monitoring Violations
72
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 19 2004
Endrin MR 2 2014
Toxaphene MR 2 2014
Simazine MR 2 2014
Di(2-ethylhexyl) phthalate MR 2 2014
Atrazine MR 2 2014
Heptachlor epoxide MR 2 2014
HEXACHLOROBENZENE MR 2 2014
Benzo(a)pyrene MR 2 2014
Methoxychlor MR 2 2014
Hexachlorocyclopentadiene MR 2 2014
Chlordane MR 2 2014
Coliform (TCR) MR 2 1992
LASSO MR 2 2014
Heptachlor MR 2 2014
Di(2-ethylhexyl) adipate MR 2 2014
BHC-GAMMA MR 2 2014
Nitrate MR 1 2003
Arsenic MR 1 2008
Barium MR 1 2008
Cadmium MR 1 2008
Fluoride MR 1 2008
Mercury MR 1 2008
Beryllium, Total MR 1 2008
Thallium, Total MR 1 2008
1,2,4-Trichlorobenzene MR 1 2008
p-Dichlorobenzene MR 1 2008
Vinyl chloride MR 1 2008
1,1-Dichloroethylene MR 1 2008
1,2-Dichloroethane MR 1 2008
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.