OKANOGAN, WA · Okanogan County

OKANOGAN WATER DEPARTMENT 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): WA5363200
System type: Community Water System
Population served: 2,921
Service connections: 1,247
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Arsenic
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Styrene
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Toluene
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Benzene
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2018 – December 31, 2018
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2015 – December 31, 2015
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2015 – December 31, 2015
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2015 – December 31, 2015
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2015 – December 31, 2015
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2015 – December 31, 2015
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2015 – December 31, 2015
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2015 – December 31, 2015
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2015 – December 31, 2015
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2015 – December 31, 2015
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2015 – December 31, 2015
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2015 – December 31, 2015
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2015 – December 31, 2015
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2015 – December 31, 2015
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2015 – December 31, 2015
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2015 – December 31, 2015
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2015 – December 31, 2015
Resolved
Monitoring, Regular
—
Benzene
January 1, 2015 – December 31, 2015
Resolved
Monitoring, Regular
—
Toluene
January 1, 2015 – December 31, 2015
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2015 – December 31, 2015
Resolved
Monitoring, Regular
—
Styrene
January 1, 2015 – December 31, 2015
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 2006 – November 30, 2006
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 2006 – August 31, 2006
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 2005 – November 30, 2005
Archived
Monitoring, Regular
—
Ethylbenzene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Toluene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Benzene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Styrene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 1997 – December 31, 1997
Archived
Monitoring, Regular
—
Nitrate
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Arsenic
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Barium
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Chromium
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Fluoride
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Mercury
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Selenium
October 1, 1979 – October 31, 1979
Archived

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

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2023 – December 31, 2025	Monitoring, Regular	Arsenic	—	Archived
January 1, 2018 – December 31, 2018	Monitoring, Regular	Styrene	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	Toluene	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	Benzene	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2018 – December 31, 2018	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2015 – December 31, 2015	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2015 – December 31, 2015	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2015 – December 31, 2015	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2015 – December 31, 2015	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2015 – December 31, 2015	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2015 – December 31, 2015	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2015 – December 31, 2015	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2015 – December 31, 2015	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2015 – December 31, 2015	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2015 – December 31, 2015	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2015 – December 31, 2015	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2015 – December 31, 2015	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2015 – December 31, 2015	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2015 – December 31, 2015	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2015 – December 31, 2015	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2015 – December 31, 2015	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2015 – December 31, 2015	Monitoring, Regular	Benzene	—	Resolved
January 1, 2015 – December 31, 2015	Monitoring, Regular	Toluene	—	Resolved
January 1, 2015 – December 31, 2015	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2015 – December 31, 2015	Monitoring, Regular	Styrene	—	Resolved
November 1, 2006 – November 30, 2006	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
August 1, 2006 – August 31, 2006	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
November 1, 2005 – November 30, 2005	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Toluene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Benzene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Styrene	—	Resolved
December 1, 1997 – December 31, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Nitrate	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Arsenic	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Barium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Chromium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Fluoride	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Mercury	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Selenium	—	Archived

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

Enforcement actions

May 6, 2019State Compliance achieved20 linked violations
September 19, 2016State Compliance achieved20 linked violations
May 14, 2014State Compliance achieved1 linked violation
December 31, 1997State Violation/Reminder Notice2 linked violations
September 30, 1992State Violation/Reminder Notice1 linked violation
June 30, 1992State Violation/Reminder Notice1 linked violation
April 30, 1992State Violation/Reminder Notice1 linked violation

Contact

OKANOGAN WATER DEPARTMENT CITY OF

Phone not on record

OKANOGAN, WA 98840