Oroville, WA · Okanogan County

OROVILLE CITY OF Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Washington’s official records. Always confirm current status with Washington before making decisions based on this information.

System facts

System ID (PWSID): WA5364400
System type: Community Water System
Population served: 3,256
Service connections: 1,732
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
LASSO
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Picloram
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Endrin
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Simazine
January 1, 2014 – December 31, 2016
Resolved
Monitoring, Regular
—
Endrin
January 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Simazine
January 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
LASSO
January 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Toluene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Barium
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Cadmium
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Chromium
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Mercury
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Nickel
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Selenium
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Benzene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Styrene
January 1, 2008 – December 31, 2010
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2004 – September 30, 2004
Archived
Monitoring, Regular
—
Nitrate
January 1, 2003 – December 31, 2003
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
January 1, 1997 – January 31, 1997
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 1993 – September 30, 1993
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
December 1, 1992 – December 31, 1992
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 1992 – September 30, 1992
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 1, 1979 – October 31, 1979
Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2014 – December 31, 2016	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	LASSO	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Chlordane	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Picloram	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Endrin	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2014 – December 31, 2016	Monitoring, Regular	Simazine	—	Resolved
January 1, 2010 – December 31, 2010	Monitoring, Regular	Endrin	—	Resolved
January 1, 2010 – December 31, 2010	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2010 – December 31, 2010	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2010 – December 31, 2010	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2010 – December 31, 2010	Monitoring, Regular	Simazine	—	Resolved
January 1, 2010 – December 31, 2010	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2010 – December 31, 2010	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2010 – December 31, 2010	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2010 – December 31, 2010	Monitoring, Regular	LASSO	—	Resolved
January 1, 2010 – December 31, 2010	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2010 – December 31, 2010	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2010 – December 31, 2010	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2010 – December 31, 2010	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2010 – December 31, 2010	Monitoring, Regular	Chlordane	—	Resolved
January 1, 2010 – December 31, 2010	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Toluene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Barium	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Cadmium	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Chromium	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	CYANIDE	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Fluoride	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Mercury	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Nickel	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Selenium	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Benzene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Styrene	—	Resolved
September 1, 2004 – September 30, 2004	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
January 1, 2003 – December 31, 2003	Monitoring, Regular	Nitrate	—	Resolved
January 1, 1997 – January 31, 1997	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
September 1, 1993 – September 30, 1993	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
December 1, 1992 – December 31, 1992	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
September 1, 1992 – September 30, 1992	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

September 25, 2019State Compliance achieved15 linked violations
September 3, 2019State Compliance achieved5 linked violations
June 21, 2011State Compliance achieved15 linked violations
April 5, 2011State Compliance achieved20 linked violations
April 5, 2011State Compliance achieved12 linked violations
September 30, 1992State Violation/Reminder Notice1 linked violation
July 31, 1992State Violation/Reminder Notice2 linked violations
February 29, 1992State Violation/Reminder Notice1 linked violation
July 31, 1991State Site Visit for enforcement purposesgeneral compliance action — not tied to a specific violation on record

Contact

OROVILLE CITY OF

Phone not on record

Oroville, WA 98844-2200