Coupeville, WA · Island County

EASTGATE 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): WA5322030
System type: Community Water System
Population served: 76
Service connections: 38
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Maximum Contaminant Level Violation, Single Sample
Health-based
Arsenic
October 1, 2025 – December 31, 2025
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Arsenic
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Arsenic
July 1, 2025 – September 30, 2025
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Arsenic
April 1, 2025 – June 30, 2025
Archived
Monitoring, Regular
—
Arsenic
April 1, 2025 – June 30, 2025
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Arsenic
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
Arsenic
January 1, 2025 – March 31, 2025
Archived
Monitoring, Regular
—
Arsenic
October 1, 2024 – December 31, 2024
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Arsenic
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Arsenic
July 1, 2024 – September 30, 2024
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Arsenic
July 1, 2024 – September 30, 2024
Archived
Monitoring, Regular
—
Arsenic
July 1, 2024 – September 30, 2024
Archived
Monitoring, Regular
—
Arsenic
April 1, 2024 – June 30, 2024
Archived
Monitoring, Regular
—
Arsenic
April 1, 2024 – June 30, 2024
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Arsenic
April 1, 2024 – June 30, 2024
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Arsenic
January 1, 2024 – March 31, 2024
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Arsenic
October 1, 2023 – December 31, 2023
Archived
Monitoring, Regular
—
Arsenic
July 1, 2022 – September 30, 2022
Resolved
Monitoring, Regular
—
Arsenic
July 1, 2022 – September 30, 2022
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2022 – December 31, 2022
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2021 – December 31, 2023
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2021 – December 31, 2023
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Arsenic
January 1, 2021 – March 31, 2021
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Arsenic
April 1, 2018 – June 30, 2018
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2014 – October 8, 2014
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Arsenic
January 1, 2010 – March 31, 2010
Resolved
Monitoring, Regular
—
Arsenic
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Regular
—
Arsenic
July 1, 2008 – September 30, 2008
Resolved
Monitoring, Regular
—
Arsenic
April 1, 2008 – June 30, 2008
Resolved
Monitoring, Regular
—
Endrin
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Dalapon
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Picloram
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Dinoseb
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
2,4,5-TP
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Pentachlorophenol
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
OXAMYL
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Aldicarb sulfone
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Carbofuran
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Aldicarb
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
BHC-GAMMA
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Methoxychlor
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Toxaphene
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Simazine
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Atrazine
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
LASSO
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Heptachlor
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Heptachlor epoxide
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Pentachlorophenol
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Chlordane
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Diquat
July 1, 2006 – September 30, 2006
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Diquat
July 1, 2006 – September 30, 2006
Archived
Monitoring, Regular
—
ETHYLENE DIBROMIDE
July 1, 2006 – September 30, 2006
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2004 – December 31, 2004
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 1996 – November 30, 1996
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 1996 – August 31, 1996
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 1996 – July 31, 1996
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 1996 – June 30, 1996
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 1992 – September 30, 1992
Archived
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
September 1, 1992 – September 30, 1992
Archived
Monitoring, Regular
—
Mercury
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
—
Arsenic
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Barium
October 1, 1979 – October 31, 1979
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

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, 2025 – December 31, 2025	Maximum Contaminant Level Violation, Single Sample	Arsenic	Health-based	Archived
July 1, 2025 – September 30, 2025	Maximum Contaminant Level Violation, Single Sample	Arsenic	Health-based	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Arsenic	—	Archived
April 1, 2025 – June 30, 2025	Maximum Contaminant Level Violation, Single Sample	Arsenic	Health-based	Archived
April 1, 2025 – June 30, 2025	Monitoring, Regular	Arsenic	—	Archived
January 1, 2025 – March 31, 2025	Maximum Contaminant Level Violation, Single Sample	Arsenic	Health-based	Archived
January 1, 2025 – March 31, 2025	Monitoring, Regular	Arsenic	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	Arsenic	—	Archived
October 1, 2024 – December 31, 2024	Maximum Contaminant Level Violation, Single Sample	Arsenic	Health-based	Archived
July 1, 2024 – September 30, 2024	Monitoring, Regular	Arsenic	—	Resolved
July 1, 2024 – September 30, 2024	Maximum Contaminant Level Violation, Single Sample	Arsenic	Health-based	Archived
July 1, 2024 – September 30, 2024	Monitoring, Regular	Arsenic	—	Archived
April 1, 2024 – June 30, 2024	Monitoring, Regular	Arsenic	—	Archived
April 1, 2024 – June 30, 2024	Monitoring, Regular	Arsenic	—	Resolved
April 1, 2024 – June 30, 2024	Maximum Contaminant Level Violation, Single Sample	Arsenic	Health-based	Archived
January 1, 2024 – March 31, 2024	Maximum Contaminant Level Violation, Single Sample	Arsenic	Health-based	Archived
October 1, 2023 – December 31, 2023	Maximum Contaminant Level Violation, Single Sample	Arsenic	Health-based	Archived
July 1, 2022 – September 30, 2022	Monitoring, Regular	Arsenic	—	Resolved
July 1, 2022 – September 30, 2022	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2021 – December 31, 2023	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2021 – December 31, 2023	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2021 – March 31, 2021	Maximum Contaminant Level Violation, Single Sample	Arsenic	Health-based	Resolved
April 1, 2018 – June 30, 2018	Maximum Contaminant Level Violation, Single Sample	Arsenic	Health-based	Resolved
July 1, 2014 – October 8, 2014	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2010 – March 31, 2010	Maximum Contaminant Level Violation, Single Sample	Arsenic	Health-based	Resolved
April 1, 2009 – June 30, 2009	Monitoring, Regular	Arsenic	—	Resolved
July 1, 2008 – September 30, 2008	Monitoring, Regular	Arsenic	—	Resolved
April 1, 2008 – June 30, 2008	Monitoring, Regular	Arsenic	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	Endrin	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	Dalapon	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	Picloram	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	Dinoseb	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	2,4,5-TP	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	Pentachlorophenol	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	OXAMYL	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	Aldicarb sulfoxide	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	Aldicarb sulfone	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	Carbofuran	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	Aldicarb	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	BHC-GAMMA	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	Methoxychlor	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	Toxaphene	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	Simazine	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	Atrazine	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	LASSO	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	Heptachlor	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	Heptachlor epoxide	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	Pentachlorophenol	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	Chlordane	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Diquat	—	Archived
July 1, 2006 – September 30, 2006	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
July 1, 2006 – September 30, 2006	Monitoring, Regular	Diquat	—	Archived
July 1, 2006 – September 30, 2006	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2004 – December 31, 2004	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
November 1, 1996 – November 30, 1996	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
August 1, 1996 – August 31, 1996	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
July 1, 1996 – July 31, 1996	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
June 1, 1996 – June 30, 1996	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
September 1, 1992 – September 30, 1992	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Mercury	—	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	Arsenic	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Barium	—	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

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

Enforcement actions

November 12, 2025State Administrative/Compliance Order without penalty issued4 linked violations
October 17, 2024State Compliance achieved2 linked violations
September 18, 2024State Compliance achieved1 linked violation
September 18, 2024State Compliance achieved1 linked violation
May 15, 2023State Compliance achieved1 linked violation
May 15, 2023State Compliance achieved1 linked violation
October 28, 2022State Compliance achieved1 linked violation
October 28, 2022State Compliance achieved1 linked violation
July 13, 2021State Violation/Reminder Notice1 linked violation
June 28, 2021State Compliance achieved1 linked violation
December 10, 2018State Compliance achieved1 linked violation
September 30, 2018State Compliance achieved1 linked violation
October 8, 2014State Compliance achieved1 linked violation
September 15, 2009State Compliance achieved44 linked violations
September 15, 2009State Compliance achieved55 linked violations
January 1, 2008State Compliance achieved25 linked violations
January 1, 2008State Compliance achieved45 linked violations
January 1, 2008State Compliance achieved131 linked violations
January 1, 2008State Compliance achieved311 linked violations
January 1, 2005State Compliance achieved8 linked violations
December 31, 2004State Compliance achieved8 linked violations
December 31, 1992State Violation/Reminder Notice1 linked violation
September 30, 1992State Violation/Reminder Notice2 linked violations

Contact

EASTGATE

Phone not on record

Coupeville, WA 98239