Tonasket, WA · Ferry County

INCHELIUM WATER DISTRICT 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): WA5335550
System type: Community Water System
Population served: 540
Service connections: 246
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
May 1, 2023 – May 31, 2023
Resolved
Maximum Contaminant Level Violation, E. coli (RTCR)
Health-based
Revised Total Coliform Rule
October 1, 2022 – October 31, 2022
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2021 – October 15, 2021
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2020 – October 30, 2020
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2019 – October 1, 2019
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2014 – December 31, 2014
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Arsenic
January 1, 2013 – March 31, 2013
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Arsenic
October 1, 2012 – December 31, 2012
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Arsenic
July 1, 2012 – September 30, 2012
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Arsenic
April 1, 2012 – June 30, 2012
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Arsenic
January 1, 2012 – March 31, 2012
Resolved
Monitoring, Regular
—
Toluene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Styrene
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
—
Arsenic
January 1, 2008 – March 31, 2008
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
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 2004 – August 31, 2004
Archived
Monitoring, Regular
—
Nitrate
January 1, 2003 – December 31, 2003
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 2002 – June 30, 2004
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Barium
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Cadmium
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Chromium
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Mercury
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Selenium
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2002 – December 31, 2004
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 1999 – July 31, 1999
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
December 1, 1998 – December 31, 1998
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
February 1, 1995 – February 28, 1995
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 1992 – October 31, 1992
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 1991 – November 30, 1991
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
—
Selenium
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Arsenic
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Cadmium
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

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
May 1, 2023 – May 31, 2023	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
October 1, 2022 – October 31, 2022	Maximum Contaminant Level Violation, E. coli (RTCR)	Revised Total Coliform Rule	Health-based	Resolved
July 1, 2021 – October 15, 2021	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2020 – October 30, 2020	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2019 – October 1, 2019	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2013 – March 31, 2013	Maximum Contaminant Level Violation, Single Sample	Arsenic	Health-based	Resolved
October 1, 2012 – December 31, 2012	Maximum Contaminant Level Violation, Single Sample	Arsenic	Health-based	Resolved
July 1, 2012 – September 30, 2012	Maximum Contaminant Level Violation, Single Sample	Arsenic	Health-based	Resolved
April 1, 2012 – June 30, 2012	Maximum Contaminant Level Violation, Single Sample	Arsenic	Health-based	Resolved
January 1, 2012 – March 31, 2012	Maximum Contaminant Level Violation, Single Sample	Arsenic	Health-based	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Toluene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Styrene	—	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 – March 31, 2008	Monitoring, Regular	Arsenic	—	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
August 1, 2004 – August 31, 2004	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
January 1, 2003 – December 31, 2003	Monitoring, Regular	Nitrate	—	Resolved
July 1, 2002 – June 30, 2004	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Barium	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Cadmium	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Chromium	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	CYANIDE	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Mercury	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Selenium	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Archived
July 1, 1999 – July 31, 1999	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
December 1, 1998 – December 31, 1998	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
February 1, 1995 – February 28, 1995	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
October 1, 1992 – October 31, 1992	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
November 1, 1991 – November 30, 1991	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	Selenium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Arsenic	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Cadmium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Fluoride	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Mercury	—	Archived

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

Enforcement actions

June 21, 2023State Compliance achieved1 linked violation
November 21, 2022State Compliance achieved1 linked violation
October 15, 2021State Compliance achieved1 linked violation
October 30, 2020State Compliance achieved1 linked violation
October 1, 2019State Compliance achieved1 linked violation
August 29, 2016State Compliance achieved1 linked violation
June 18, 2013State Compliance achieved1 linked violation
February 1, 2013State Compliance achieved1 linked violation
October 31, 2012State Compliance achieved2 linked violations
May 1, 2012State Compliance achieved1 linked violation
July 7, 2011State Compliance achieved20 linked violations
June 2, 2008State Compliance achieved469 linked violations
June 13, 2006State Compliance achieved37 linked violations
February 28, 1995State Violation/Reminder Notice1 linked violation
June 30, 1994State Violation/Reminder Notice1 linked violation
September 30, 1992State Violation/Reminder Notice1 linked violation

Contact

INCHELIUM WATER DISTRICT

Phone not on record

Tonasket, WA 98855-9433