Chelan, WA · Chelan County

CHELAN WATER DEPT 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): WA5312300
System type: Community Water System
Population served: 9,425
Service connections: 2,738
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring, Regular
—
Dalapon
October 1, 2023 – December 31, 2023
Archived
Monitoring, Regular
—
Pentachlorophenol
October 1, 2023 – December 31, 2023
Archived
Monitoring, Regular
—
2,4,5-TP
October 1, 2023 – December 31, 2023
Archived
Monitoring, Regular
—
Dinoseb
October 1, 2023 – December 31, 2023
Archived
Monitoring, Regular
—
Picloram
October 1, 2023 – December 31, 2023
Archived
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2023 – December 31, 2023
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2023 – December 31, 2023
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2020 – September 30, 2020
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2020 – September 30, 2020
Resolved
Monitoring, Regular
—
Picloram
January 1, 2020 – March 31, 2020
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2020 – March 31, 2020
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2020 – March 31, 2020
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2020 – March 31, 2020
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2020 – March 31, 2020
Resolved
Monitoring, Regular
—
Pentachlorophenol
October 1, 2019 – December 31, 2019
Resolved
Monitoring, Regular
—
Dalapon
October 1, 2019 – December 31, 2019
Resolved
Monitoring, Regular
—
Picloram
October 1, 2019 – December 31, 2019
Resolved
Monitoring, Regular
—
Dinoseb
October 1, 2019 – December 31, 2019
Resolved
Monitoring, Regular
—
2,4,5-TP
October 1, 2019 – December 31, 2019
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
Picloram
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2019 – March 31, 2019
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2016 – October 27, 2016
Resolved
Monitoring and Reporting (DBP)
—
TTHM
April 1, 2016 – June 30, 2016
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2016 – June 30, 2016
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2015 – December 31, 2015
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2015 – December 31, 2015
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2015 – September 18, 2015
Resolved
Monitoring and Reporting (DBP)
—
TTHM
April 1, 2015 – June 30, 2015
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2015 – June 30, 2015
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2015 – March 31, 2015
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2015 – March 31, 2015
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2014 – December 31, 2014
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2014 – December 31, 2014
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2014 – September 30, 2014
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2014 – June 30, 2014
Resolved
Monitoring and Reporting (DBP)
—
TTHM
April 1, 2014 – June 30, 2014
Resolved
Monitoring, Regular
—
Mercury
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Barium
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Cadmium
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Chromium
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Nickel
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Nitrite
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Selenium
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2014 – December 31, 2014
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2013 – October 8, 2013
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Chromium
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Cadmium
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Barium
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Mercury
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Fluoride
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Selenium
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Nitrite
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Nickel
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Endrin
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Picloram
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2008 – December 31, 2010
Archived
Monitoring, Regular
—
Aldicarb sulfone
January 1, 2008 – December 31, 2010
Archived
Monitoring, Regular
—
Chlordane
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2008 – December 31, 2010
Archived
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
LASSO
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Simazine
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
January 1, 2008 – December 31, 2010
Archived
Monitoring, Regular
—
Aldicarb
January 1, 2008 – December 31, 2010
Archived
Monitoring, Regular
—
Carbofuran
January 1, 2008 – December 31, 2010
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
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
October 1, 2023 – December 31, 2023	Monitoring, Regular	Dalapon	—	Archived
October 1, 2023 – December 31, 2023	Monitoring, Regular	Pentachlorophenol	—	Archived
October 1, 2023 – December 31, 2023	Monitoring, Regular	2,4,5-TP	—	Archived
October 1, 2023 – December 31, 2023	Monitoring, Regular	Dinoseb	—	Archived
October 1, 2023 – December 31, 2023	Monitoring, Regular	Picloram	—	Archived
January 1, 2023 – December 31, 2023	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2023 – December 31, 2023	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2020 – September 30, 2020	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2020 – September 30, 2020	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2020 – March 31, 2020	Monitoring, Regular	Picloram	—	Resolved
January 1, 2020 – March 31, 2020	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2020 – March 31, 2020	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2020 – March 31, 2020	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2020 – March 31, 2020	Monitoring, Regular	Dalapon	—	Resolved
October 1, 2019 – December 31, 2019	Monitoring, Regular	Pentachlorophenol	—	Resolved
October 1, 2019 – December 31, 2019	Monitoring, Regular	Dalapon	—	Resolved
October 1, 2019 – December 31, 2019	Monitoring, Regular	Picloram	—	Resolved
October 1, 2019 – December 31, 2019	Monitoring, Regular	Dinoseb	—	Resolved
October 1, 2019 – December 31, 2019	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	Picloram	—	Resolved
January 1, 2019 – March 31, 2019	Monitoring, Regular	Dalapon	—	Resolved
July 1, 2016 – October 27, 2016	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring and Reporting (DBP)	TTHM	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2015 – December 31, 2015	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2015 – December 31, 2015	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2015 – September 18, 2015	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2015 – June 30, 2015	Monitoring and Reporting (DBP)	TTHM	—	Resolved
April 1, 2015 – June 30, 2015	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2015 – March 31, 2015	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2015 – March 31, 2015	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 1, 2014 – December 31, 2014	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 1, 2014 – December 31, 2014	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
April 1, 2014 – June 30, 2014	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
April 1, 2014 – June 30, 2014	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Mercury	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Barium	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Cadmium	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Chromium	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	CYANIDE	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Fluoride	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Nickel	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Nitrite	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Selenium	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Thallium, Total	—	Resolved
July 1, 2013 – October 8, 2013	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	CYANIDE	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Chromium	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Cadmium	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Barium	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Mercury	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Fluoride	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Selenium	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Nitrite	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Nickel	—	Resolved
December 1, 2010 – December 31, 2010	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Endrin	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Picloram	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	OXAMYL	—	Archived
January 1, 2008 – December 31, 2010	Monitoring, Regular	Aldicarb sulfone	—	Archived
January 1, 2008 – December 31, 2010	Monitoring, Regular	Chlordane	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Pentachlorophenol	—	Archived
January 1, 2008 – December 31, 2010	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	LASSO	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Simazine	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Aldicarb sulfoxide	—	Archived
January 1, 2008 – December 31, 2010	Monitoring, Regular	Aldicarb	—	Archived
January 1, 2008 – December 31, 2010	Monitoring, Regular	Carbofuran	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

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

Enforcement actions

March 29, 2024State Compliance achieved1 linked violation
March 26, 2024State Compliance achieved1 linked violation
October 6, 2020State Compliance achieved1 linked violation
October 6, 2020State Compliance achieved1 linked violation
April 6, 2020State Compliance achieved10 linked violations
May 6, 2019State Compliance achieved5 linked violations
March 8, 2017State Compliance achieved1 linked violation
March 8, 2017State Compliance achieved1 linked violation
October 27, 2016State Compliance achieved1 linked violation
October 11, 2016State Compliance achieved26 linked violations
August 25, 2016State Compliance achieved1 linked violation
August 25, 2016State Compliance achieved1 linked violation
March 8, 2016State Compliance achieved1 linked violation
March 8, 2016State Compliance achieved1 linked violation
September 18, 2015State Compliance achieved1 linked violation
August 31, 2015State Compliance achieved5 linked violations
August 31, 2015State Compliance achieved5 linked violations
November 3, 2014State Compliance achieved1 linked violation
October 8, 2013State Compliance achieved1 linked violation
July 30, 2011Federal Compliance achieved1 linked violation
June 13, 2011State Compliance achieved5 linked violations
May 10, 2011State Compliance achieved15 linked violations
April 30, 2011State Compliance achieved1 linked violation

Contact

CHELAN WATER DEPT CITY OF

Phone not on record

Chelan, WA 98816