WA · Chelan County

CHELAN CO PUD1 - Peshastin 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): WA5367050
System type: Community Water System
Population served: 1,397
Service connections: 283
Ownership: local government
Water source: groundwater (wells)

Violation history

Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2023 – October 6, 2023
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2021 – December 31, 2021
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2021 – December 31, 2021
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2019 – August 28, 2019
Resolved
Maximum Contaminant Level Violation, E. coli (RTCR)
Health-based
Revised Total Coliform Rule
October 1, 2017 – October 31, 2017
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2017 – February 1, 2018
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2014 – December 31, 2014
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2013 – October 4, 2013
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 2004 – October 31, 2004
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 2004 – June 30, 2004
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 2004 – February 29, 2004
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 2003 – November 30, 2003
Archived
Monitoring, Regular
—
LASSO
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Heptachlor
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Pentachlorophenol
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Chlordane
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Dalapon
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Picloram
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Dinoseb
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
2,4,5-TP
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Pentachlorophenol
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Endrin
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
BHC-GAMMA
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Methoxychlor
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Toxaphene
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Simazine
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Atrazine
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
LASSO
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Heptachlor
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Pentachlorophenol
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Chlordane
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Dalapon
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Picloram
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Dinoseb
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
2,4,5-TP
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Pentachlorophenol
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Endrin
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
BHC-GAMMA
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Methoxychlor
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Toxaphene
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Simazine
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2002 – December 31, 2004
Archived
Monitoring, Regular
—
Atrazine
January 1, 2002 – December 31, 2004
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
January 1, 1999 – January 31, 1999
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
December 1, 1997 – December 31, 1997
Archived
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
November 1, 1997 – November 30, 1997
Archived
Monitoring, Regular
—
Cadmium
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
—
Gross Alpha, Excl. Radon and U
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Nitrate
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Selenium
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Mercury
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

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
July 1, 2023 – October 6, 2023	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2021 – December 31, 2021	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2021 – December 31, 2021	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2019 – August 28, 2019	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 1, 2017 – October 31, 2017	Maximum Contaminant Level Violation, E. coli (RTCR)	Revised Total Coliform Rule	Health-based	Resolved
July 1, 2017 – February 1, 2018	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Nitrate	—	Resolved
July 1, 2013 – October 4, 2013	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 1, 2004 – October 31, 2004	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
June 1, 2004 – June 30, 2004	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
February 1, 2004 – February 29, 2004	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
November 1, 2003 – November 30, 2003	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	LASSO	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Heptachlor	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	HEXACHLOROBENZENE	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Benzo(a)pyrene	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Pentachlorophenol	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Chlordane	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Dalapon	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Picloram	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Dinoseb	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	2,4,5-TP	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Pentachlorophenol	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Endrin	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	BHC-GAMMA	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Methoxychlor	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Toxaphene	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Simazine	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Hexachlorocyclopentadiene	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Atrazine	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	LASSO	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Heptachlor	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	HEXACHLOROBENZENE	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Benzo(a)pyrene	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Pentachlorophenol	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Chlordane	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Hexachlorocyclopentadiene	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Dalapon	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Picloram	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Dinoseb	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	2,4,5-TP	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Pentachlorophenol	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Endrin	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	BHC-GAMMA	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Methoxychlor	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Toxaphene	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Simazine	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Archived
January 1, 2002 – December 31, 2004	Monitoring, Regular	Atrazine	—	Archived
January 1, 1999 – January 31, 1999	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
December 1, 1997 – December 31, 1997	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
November 1, 1997 – November 30, 1997	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Cadmium	—	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	Gross Alpha, Excl. Radon and U	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Nitrate	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Selenium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Mercury	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Arsenic	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Barium	—	Archived

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

Enforcement actions

October 6, 2023State Compliance achieved1 linked violation
July 18, 2022State Compliance achieved1 linked violation
July 18, 2022State Compliance achieved1 linked violation
August 28, 2019State Compliance achieved1 linked violation
February 1, 2018State Compliance achieved1 linked violation
November 6, 2017State Compliance achieved1 linked violation
March 23, 2015State Compliance achieved1 linked violation
March 23, 2015State Compliance achieved1 linked violation
March 23, 2015State Compliance achieved1 linked violation
October 4, 2013State Compliance achieved1 linked violation

Contact

Not on record

Phone not on record