Walla Walla, WA · Walla Walla County
GREEN TANK IRR DISTRICT 11 Water System
Consumer Confidence Report status
GREEN TANK IRR DISTRICT 11 must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for GREEN TANK IRR DISTRICT 11.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
- WA5329550
- System type
- Community Water System
- Population served
- 553
- Service connections
- 196
- Ownership
- local government
- Water source
- groundwater (wells)
GREEN TANK IRR DISTRICT 11 is one of 428 community water systems in Washington in the 501 to 3,300 people size category, serving 553 people from groundwater.
As of August 1, 2026, its federal record holds 246 entries between 1979 and 2020, all of which EPA lists as closed. Nothing has been added since 2020.
Of the 246, 243 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves synthetic organic chemicals, volatile organic chemicals, and the Total Coliform Rules.
Violation history
Monitoring, Regular
—Benzo(a)pyrene
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Heptachlor epoxide
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Heptachlor
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—LASSO
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Atrazine
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Simazine
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Toxaphene
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Endrin
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Chlordane
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Benzo(a)pyrene
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Heptachlor epoxide
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Heptachlor
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—LASSO
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Atrazine
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Simazine
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Toxaphene
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Endrin
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Pentachlorophenol
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—2,4,5-TP
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Dinoseb
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Picloram
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Dalapon
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Chlordane
January 1, 2017 – December 31, 2019
ResolvedMonitoring, Regular
—Simazine
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Toxaphene
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Styrene
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—Toluene
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—Benzene
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2014 – December 31, 2019
ResolvedMonitoring, Regular
—Pentachlorophenol
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—2,4,5-TP
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Dinoseb
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Picloram
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Dalapon
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Chlordane
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Benzo(a)pyrene
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Heptachlor epoxide
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Heptachlor
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—LASSO
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Atrazine
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Endrin
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Pentachlorophenol
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—2,4,5-TP
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Dinoseb
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Picloram
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Dalapon
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Pentachlorophenol
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—2,4,5-TP
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Dinoseb
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Picloram
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Dalapon
January 1, 2014 – December 31, 2016
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2010 – November 1, 2010
ResolvedMaximum Contaminant Level Violation, Acute (TCR)
Health-basedColiform (TCR)
June 1, 2010 – June 30, 2010
ResolvedMonitoring, Regular
—2,4,5-TP
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Dinoseb
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Picloram
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Dalapon
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Diquat
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—ETHYLENE DIBROMIDE
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Aldicarb
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Carbofuran
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Aldicarb sulfone
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Aldicarb sulfoxide
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Endrin
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—BHC-GAMMA
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Methoxychlor
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—OXAMYL
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Toxaphene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Simazine
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Atrazine
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—LASSO
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Heptachlor
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Heptachlor epoxide
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Benzo(a)pyrene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Chlordane
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Pentachlorophenol
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Pentachlorophenol
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Heptachlor epoxide
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—ETHYLENE DIBROMIDE
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Diquat
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Dalapon
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Picloram
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Dinoseb
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—2,4,5-TP
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Pentachlorophenol
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—OXAMYL
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Aldicarb sulfoxide
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Aldicarb sulfone
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Carbofuran
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Aldicarb
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Endrin
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Toxaphene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Simazine
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Atrazine
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—LASSO
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Heptachlor
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Benzo(a)pyrene
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Pentachlorophenol
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Chlordane
January 1, 2007 – March 31, 2007
ResolvedMonitoring, Regular
—Picloram
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—2,4,5-TP
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Pentachlorophenol
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—OXAMYL
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Aldicarb sulfoxide
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Aldicarb sulfone
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Carbofuran
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Aldicarb
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—ETHYLENE DIBROMIDE
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Diquat
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Dinoseb
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Endrin
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—BHC-GAMMA
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Methoxychlor
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Toxaphene
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Simazine
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Atrazine
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—LASSO
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Heptachlor
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Heptachlor epoxide
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Benzo(a)pyrene
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Pentachlorophenol
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Chlordane
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Dalapon
October 1, 2006 – December 31, 2006
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
August 1, 2006 – August 31, 2006
ArchivedMonitoring, Regular
—LASSO
July 1, 2006 – September 30, 2006
ArchivedMonitoring, Regular
—Hexachlorocyclopentadiene
July 1, 2006 – September 30, 2006
ArchivedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
July 1, 2006 – September 30, 2006
ArchivedMonitoring, Regular
—Simazine
July 1, 2006 – September 30, 2006
ArchivedMonitoring, Regular
—Di(2-ethylhexyl) adipate
July 1, 2006 – September 30, 2006
ArchivedMonitoring, Regular
—Toxaphene
July 1, 2006 – September 30, 2006
ArchivedMonitoring, Regular
—Methoxychlor
July 1, 2006 – September 30, 2006
ArchivedMonitoring, Regular
—BHC-GAMMA
July 1, 2006 – September 30, 2006
ArchivedMonitoring, Regular
—Endrin
July 1, 2006 – September 30, 2006
ArchivedMonitoring, Regular
—ETHYLENE DIBROMIDE
July 1, 2006 – September 30, 2006
ResolvedMonitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
July 1, 2006 – September 30, 2006
ResolvedMonitoring, Regular
—Diquat
July 1, 2006 – September 30, 2006
ArchivedMonitoring, Regular
—Aldicarb
July 1, 2006 – September 30, 2006
ArchivedMonitoring, Regular
—Carbofuran
July 1, 2006 – September 30, 2006
ArchivedMonitoring, Regular
—Aldicarb sulfone
July 1, 2006 – September 30, 2006
ArchivedMonitoring, Regular
—Aldicarb sulfoxide
July 1, 2006 – September 30, 2006
ArchivedMonitoring, Regular
—OXAMYL
July 1, 2006 – September 30, 2006
ArchivedMonitoring, Regular
—Pentachlorophenol
July 1, 2006 – September 30, 2006
ArchivedMonitoring, Regular
—2,4,5-TP
July 1, 2006 – September 30, 2006
ArchivedMonitoring, Regular
—Dinoseb
July 1, 2006 – September 30, 2006
ArchivedMonitoring, Regular
—Picloram
July 1, 2006 – September 30, 2006
ArchivedMonitoring, Regular
—Dalapon
July 1, 2006 – September 30, 2006
ArchivedMonitoring, Regular
—Chlordane
July 1, 2006 – September 30, 2006
ArchivedMonitoring, Regular
—Pentachlorophenol
July 1, 2006 – September 30, 2006
ArchivedMonitoring, Regular
—Benzo(a)pyrene
July 1, 2006 – September 30, 2006
ArchivedMonitoring, Regular
—HEXACHLOROBENZENE
July 1, 2006 – September 30, 2006
ArchivedMonitoring, Regular
—Heptachlor epoxide
July 1, 2006 – September 30, 2006
ArchivedMonitoring, Regular
—Heptachlor
July 1, 2006 – September 30, 2006
ArchivedMonitoring, Regular
—Atrazine
July 1, 2006 – September 30, 2006
ArchivedMonitoring, Regular
—Toluene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Styrene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Benzene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Styrene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Toluene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Benzene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2005 – December 31, 2007
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
March 1, 2004 – March 31, 2004
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
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 |
|---|---|---|---|---|
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Heptachlor | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | LASSO | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Simazine | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Toxaphene | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Methoxychlor | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Endrin | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Chlordane | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Heptachlor | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | LASSO | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Simazine | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Toxaphene | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Methoxychlor | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Endrin | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Dinoseb | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Picloram | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Dalapon | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Chlordane | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Simazine | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Toxaphene | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2014 – December 31, 2019 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Dinoseb | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Picloram | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Dalapon | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Chlordane | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Heptachlor | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | LASSO | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Methoxychlor | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Endrin | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Dinoseb | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Picloram | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Dalapon | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Dinoseb | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Picloram | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Dalapon | — | Resolved |
| July 1, 2010 – November 1, 2010 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| June 1, 2010 – June 30, 2010 | Maximum Contaminant Level Violation, Acute (TCR) | Coliform (TCR) | Health-based | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Dinoseb | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Picloram | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Dalapon | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Diquat | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | ETHYLENE DIBROMIDE | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | 1,2-DIBROMO-3-CHLOROPROPANE | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Aldicarb | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Carbofuran | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Aldicarb sulfone | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Aldicarb sulfoxide | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Endrin | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Methoxychlor | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | OXAMYL | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Toxaphene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Simazine | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Atrazine | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | LASSO | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Heptachlor | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Chlordane | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | 1,2-DIBROMO-3-CHLOROPROPANE | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | ETHYLENE DIBROMIDE | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Diquat | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Dalapon | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Picloram | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Dinoseb | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | OXAMYL | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Aldicarb sulfoxide | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Aldicarb sulfone | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Carbofuran | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Aldicarb | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Endrin | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Methoxychlor | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Toxaphene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Simazine | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | LASSO | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Heptachlor | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring, Regular | Chlordane | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Picloram | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | OXAMYL | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Aldicarb sulfoxide | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Aldicarb sulfone | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Carbofuran | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Aldicarb | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | 1,2-DIBROMO-3-CHLOROPROPANE | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | ETHYLENE DIBROMIDE | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Diquat | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Dinoseb | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Endrin | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Methoxychlor | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Toxaphene | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Simazine | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Atrazine | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | LASSO | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Heptachlor | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Chlordane | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Dalapon | — | Resolved |
| August 1, 2006 – August 31, 2006 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| July 1, 2006 – September 30, 2006 | Monitoring, Regular | LASSO | — | Archived |
| July 1, 2006 – September 30, 2006 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Archived |
| July 1, 2006 – September 30, 2006 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Archived |
| July 1, 2006 – September 30, 2006 | Monitoring, Regular | Simazine | — | Archived |
| July 1, 2006 – September 30, 2006 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Archived |
| July 1, 2006 – September 30, 2006 | Monitoring, Regular | Toxaphene | — | Archived |
| July 1, 2006 – September 30, 2006 | Monitoring, Regular | Methoxychlor | — | Archived |
| July 1, 2006 – September 30, 2006 | Monitoring, Regular | BHC-GAMMA | — | Archived |
| July 1, 2006 – September 30, 2006 | Monitoring, Regular | Endrin | — | 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 | Aldicarb | — | Archived |
| July 1, 2006 – September 30, 2006 | Monitoring, Regular | Carbofuran | — | Archived |
| July 1, 2006 – September 30, 2006 | Monitoring, Regular | Aldicarb sulfone | — | Archived |
| July 1, 2006 – September 30, 2006 | Monitoring, Regular | Aldicarb sulfoxide | — | Archived |
| July 1, 2006 – September 30, 2006 | Monitoring, Regular | OXAMYL | — | Archived |
| July 1, 2006 – September 30, 2006 | Monitoring, Regular | Pentachlorophenol | — | Archived |
| July 1, 2006 – September 30, 2006 | Monitoring, Regular | 2,4,5-TP | — | Archived |
| July 1, 2006 – September 30, 2006 | Monitoring, Regular | Dinoseb | — | Archived |
| July 1, 2006 – September 30, 2006 | Monitoring, Regular | Picloram | — | Archived |
| July 1, 2006 – September 30, 2006 | Monitoring, Regular | Dalapon | — | Archived |
| July 1, 2006 – September 30, 2006 | Monitoring, Regular | Chlordane | — | Archived |
| July 1, 2006 – September 30, 2006 | Monitoring, Regular | Pentachlorophenol | — | Archived |
| July 1, 2006 – September 30, 2006 | Monitoring, Regular | Benzo(a)pyrene | — | Archived |
| July 1, 2006 – September 30, 2006 | Monitoring, Regular | HEXACHLOROBENZENE | — | Archived |
| July 1, 2006 – September 30, 2006 | Monitoring, Regular | Heptachlor epoxide | — | Archived |
| July 1, 2006 – September 30, 2006 | Monitoring, Regular | Heptachlor | — | Archived |
| July 1, 2006 – September 30, 2006 | Monitoring, Regular | Atrazine | — | Archived |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| March 1, 2004 – March 31, 2004 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| October 1, 1979 – October 31, 1979 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- June 11, 2024State Compliance achieved15 linked violations
- April 12, 2021State Compliance achieved1 linked violation
- January 1, 2020State Compliance achieved10 linked violations
- January 1, 2020State Compliance achieved30 linked violations
- January 1, 2020State Compliance achieved20 linked violations
- April 10, 2017State Compliance achieved5 linked violations
- April 10, 2017State Compliance achieved5 linked violations
- November 1, 2010State Compliance achieved1 linked violation
- July 31, 2010State Compliance achieved1 linked violation
- April 13, 2009State Compliance achieved9 linked violations
- April 13, 2009State Compliance achieved28 linked violations
- January 13, 2009State Compliance achieved84 linked violations
- January 13, 2009State Compliance achieved40 linked violations
- January 13, 2009State Compliance achieved41 linked violations
- January 13, 2009State Compliance achieved81 linked violations
- January 1, 2008State Compliance achieved80 linked violations
Common questions
Is GREEN TANK IRR DISTRICT 11 required to publish a Consumer Confidence Report?
- Yes. GREEN TANK IRR DISTRICT 11 is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is GREEN TANK IRR DISTRICT 11’s next Consumer Confidence Report due?
- GREEN TANK IRR DISTRICT 11’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does GREEN TANK IRR DISTRICT 11 have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for GREEN TANK IRR DISTRICT 11.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
GREEN TANK IRR DISTRICT 11
Phone not on record
Walla Walla, WA 99362