Drinking Water Compliance OS

Walla Walla, WA · Walla Walla County

GREEN TANK IRR DISTRICT 11 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)
WA5329550
System type
Community Water System
Population served
553
Service connections
196
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Monitoring, Regular

    —

    Benzo(a)pyrene

    January 1, 2020 – December 31, 2022

    Resolved

  • Monitoring, Regular

    —

    HEXACHLOROBENZENE

    January 1, 2020 – December 31, 2022

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 2020 – December 31, 2022

    Resolved

  • Monitoring, Regular

    —

    Heptachlor

    January 1, 2020 – December 31, 2022

    Resolved

  • Monitoring, Regular

    —

    LASSO

    January 1, 2020 – December 31, 2022

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    January 1, 2020 – December 31, 2022

    Resolved

  • Monitoring, Regular

    —

    Hexachlorocyclopentadiene

    January 1, 2020 – December 31, 2022

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) phthalate

    January 1, 2020 – December 31, 2022

    Resolved

  • Monitoring, Regular

    —

    Simazine

    January 1, 2020 – December 31, 2022

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) adipate

    January 1, 2020 – December 31, 2022

    Resolved

  • Monitoring, Regular

    —

    Toxaphene

    January 1, 2020 – December 31, 2022

    Resolved

  • Monitoring, Regular

    —

    Methoxychlor

    January 1, 2020 – December 31, 2022

    Resolved

  • Monitoring, Regular

    —

    BHC-GAMMA

    January 1, 2020 – December 31, 2022

    Resolved

  • Monitoring, Regular

    —

    Endrin

    January 1, 2020 – December 31, 2022

    Resolved

  • Monitoring, Regular

    —

    Chlordane

    January 1, 2020 – December 31, 2022

    Resolved

  • Monitoring, Regular

    —

    Benzo(a)pyrene

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    HEXACHLOROBENZENE

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Heptachlor

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    LASSO

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Hexachlorocyclopentadiene

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) phthalate

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Simazine

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) adipate

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Toxaphene

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Methoxychlor

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    BHC-GAMMA

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Endrin

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Pentachlorophenol

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Dinoseb

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Picloram

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Dalapon

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Chlordane

    January 1, 2017 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Simazine

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) adipate

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Toxaphene

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Styrene

    January 1, 2014 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 2014 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Toluene

    January 1, 2014 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Benzene

    January 1, 2014 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 2014 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Tetrachloroethylene

    January 1, 2014 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 2014 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Trichloroethylene

    January 1, 2014 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    January 1, 2014 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 2014 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    January 1, 2014 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    January 1, 2014 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    January 1, 2014 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    January 1, 2014 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Vinyl chloride

    January 1, 2014 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    p-Dichlorobenzene

    January 1, 2014 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    January 1, 2014 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    January 1, 2014 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 2014 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    January 1, 2014 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Pentachlorophenol

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Dinoseb

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Picloram

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Dalapon

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Chlordane

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Benzo(a)pyrene

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    HEXACHLOROBENZENE

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Heptachlor

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    LASSO

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Hexachlorocyclopentadiene

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) phthalate

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Methoxychlor

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    BHC-GAMMA

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Endrin

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Pentachlorophenol

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Dinoseb

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Picloram

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Dalapon

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Pentachlorophenol

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Dinoseb

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Picloram

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Dalapon

    January 1, 2014 – December 31, 2016

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2014 – December 31, 2014

    Resolved

  • Consumer Confidence Report Complete Failure to Report

    —

    Consumer Confidence Rule

    July 1, 2010 – November 1, 2010

    Resolved

  • Monitoring, Regular

    —

    Pentachlorophenol

    April 1, 2007 – June 30, 2007

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    April 1, 2007 – June 30, 2007

    Resolved

  • Monitoring, Regular

    —

    Dinoseb

    April 1, 2007 – June 30, 2007

    Resolved

  • Monitoring, Regular

    —

    Picloram

    April 1, 2007 – June 30, 2007

    Resolved

  • Monitoring, Regular

    —

    Dalapon

    April 1, 2007 – June 30, 2007

    Resolved

  • Monitoring, Regular

    —

    Diquat

    April 1, 2007 – June 30, 2007

    Resolved

  • Monitoring, Regular

    —

    ETHYLENE DIBROMIDE

    April 1, 2007 – June 30, 2007

    Resolved

  • Monitoring, Regular

    —

    1,2-DIBROMO-3-CHLOROPROPANE

    April 1, 2007 – June 30, 2007

    Resolved

  • Monitoring, Regular

    —

    Aldicarb

    April 1, 2007 – June 30, 2007

    Resolved

  • Monitoring, Regular

    —

    Carbofuran

    April 1, 2007 – June 30, 2007

    Resolved

  • Monitoring, Regular

    —

    Aldicarb sulfone

    April 1, 2007 – June 30, 2007

    Resolved

  • Monitoring, Regular

    —

    Aldicarb sulfoxide

    April 1, 2007 – June 30, 2007

    Resolved

  • Monitoring, Regular

    —

    Endrin

    April 1, 2007 – June 30, 2007

    Resolved

  • Monitoring, Regular

    —

    BHC-GAMMA

    April 1, 2007 – June 30, 2007

    Resolved

  • Monitoring, Regular

    —

    OXAMYL

    April 1, 2007 – June 30, 2007

    Resolved

  • Monitoring, Regular

    —

    Methoxychlor

    April 1, 2007 – June 30, 2007

    Resolved

  • Monitoring, Regular

    —

    Toxaphene

    April 1, 2007 – June 30, 2007

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) adipate

    April 1, 2007 – June 30, 2007

    Resolved

  • Monitoring, Regular

    —

    Simazine

    April 1, 2007 – June 30, 2007

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) phthalate

    April 1, 2007 – June 30, 2007

    Resolved

  • Monitoring, Regular

    —

    Hexachlorocyclopentadiene

    April 1, 2007 – June 30, 2007

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    April 1, 2007 – June 30, 2007

    Resolved

  • Monitoring, Regular

    —

    LASSO

    April 1, 2007 – June 30, 2007

    Resolved

  • Monitoring, Regular

    —

    Heptachlor

    April 1, 2007 – June 30, 2007

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    April 1, 2007 – June 30, 2007

    Resolved

  • Monitoring, Regular

    —

    HEXACHLOROBENZENE

    April 1, 2007 – June 30, 2007

    Resolved

  • Monitoring, Regular

    —

    Benzo(a)pyrene

    April 1, 2007 – June 30, 2007

    Resolved

  • Monitoring, Regular

    —

    Chlordane

    April 1, 2007 – June 30, 2007

    Resolved

  • Monitoring, Regular

    —

    Pentachlorophenol

    April 1, 2007 – June 30, 2007

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 2007 – March 31, 2007

    Resolved

  • Monitoring, Regular

    —

    1,2-DIBROMO-3-CHLOROPROPANE

    January 1, 2007 – March 31, 2007

    Resolved

  • Monitoring, Regular

    —

    ETHYLENE DIBROMIDE

    January 1, 2007 – March 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Diquat

    January 1, 2007 – March 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Dalapon

    January 1, 2007 – March 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Picloram

    January 1, 2007 – March 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Dinoseb

    January 1, 2007 – March 31, 2007

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 2007 – March 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Pentachlorophenol

    January 1, 2007 – March 31, 2007

    Resolved

  • Monitoring, Regular

    —

    OXAMYL

    January 1, 2007 – March 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Aldicarb sulfoxide

    January 1, 2007 – March 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Aldicarb sulfone

    January 1, 2007 – March 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Carbofuran

    January 1, 2007 – March 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Aldicarb

    January 1, 2007 – March 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Endrin

    January 1, 2007 – March 31, 2007

    Resolved

  • Monitoring, Regular

    —

    BHC-GAMMA

    January 1, 2007 – March 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Methoxychlor

    January 1, 2007 – March 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Toxaphene

    January 1, 2007 – March 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) adipate

    January 1, 2007 – March 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Simazine

    January 1, 2007 – March 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) phthalate

    January 1, 2007 – March 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Hexachlorocyclopentadiene

    January 1, 2007 – March 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    January 1, 2007 – March 31, 2007

    Resolved

  • Monitoring, Regular

    —

    LASSO

    January 1, 2007 – March 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Heptachlor

    January 1, 2007 – March 31, 2007

    Resolved

  • Monitoring, Regular

    —

    HEXACHLOROBENZENE

    January 1, 2007 – March 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Benzo(a)pyrene

    January 1, 2007 – March 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Pentachlorophenol

    January 1, 2007 – March 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Chlordane

    January 1, 2007 – March 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Picloram

    October 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    October 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Pentachlorophenol

    October 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    OXAMYL

    October 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Aldicarb sulfoxide

    October 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Aldicarb sulfone

    October 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Carbofuran

    October 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Aldicarb

    October 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    1,2-DIBROMO-3-CHLOROPROPANE

    October 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    ETHYLENE DIBROMIDE

    October 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Diquat

    October 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Dinoseb

    October 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Endrin

    October 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    BHC-GAMMA

    October 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Methoxychlor

    October 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Toxaphene

    October 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) adipate

    October 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Simazine

    October 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) phthalate

    October 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Hexachlorocyclopentadiene

    October 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    October 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    LASSO

    October 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Heptachlor

    October 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    October 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    HEXACHLOROBENZENE

    October 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Benzo(a)pyrene

    October 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Pentachlorophenol

    October 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Chlordane

    October 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Dalapon

    October 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    August 1, 2006 – August 31, 2006

    Archived

  • Monitoring, Regular

    —

    LASSO

    July 1, 2006 – September 30, 2006

    Archived

  • Monitoring, Regular

    —

    Hexachlorocyclopentadiene

    July 1, 2006 – September 30, 2006

    Archived

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) phthalate

    July 1, 2006 – September 30, 2006

    Archived

  • Monitoring, Regular

    —

    Simazine

    July 1, 2006 – September 30, 2006

    Archived

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) adipate

    July 1, 2006 – September 30, 2006

    Archived

  • Monitoring, Regular

    —

    Toxaphene

    July 1, 2006 – September 30, 2006

    Archived

  • Monitoring, Regular

    —

    Methoxychlor

    July 1, 2006 – September 30, 2006

    Archived

  • Monitoring, Regular

    —

    BHC-GAMMA

    July 1, 2006 – September 30, 2006

    Archived

  • Monitoring, Regular

    —

    Endrin

    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

    —

    Aldicarb

    July 1, 2006 – September 30, 2006

    Archived

  • Monitoring, Regular

    —

    Carbofuran

    July 1, 2006 – September 30, 2006

    Archived

  • Monitoring, Regular

    —

    Aldicarb sulfone

    July 1, 2006 – September 30, 2006

    Archived

  • Monitoring, Regular

    —

    Aldicarb sulfoxide

    July 1, 2006 – September 30, 2006

    Archived

  • Monitoring, Regular

    —

    OXAMYL

    July 1, 2006 – September 30, 2006

    Archived

  • Monitoring, Regular

    —

    Pentachlorophenol

    July 1, 2006 – September 30, 2006

    Archived

  • Monitoring, Regular

    —

    2,4,5-TP

    July 1, 2006 – September 30, 2006

    Archived

  • Monitoring, Regular

    —

    Dinoseb

    July 1, 2006 – September 30, 2006

    Archived

  • Monitoring, Regular

    —

    Picloram

    July 1, 2006 – September 30, 2006

    Archived

  • Monitoring, Regular

    —

    Dalapon

    July 1, 2006 – September 30, 2006

    Archived

  • Monitoring, Regular

    —

    Chlordane

    July 1, 2006 – September 30, 2006

    Archived

  • Monitoring, Regular

    —

    Pentachlorophenol

    July 1, 2006 – September 30, 2006

    Archived

  • Monitoring, Regular

    —

    Benzo(a)pyrene

    July 1, 2006 – September 30, 2006

    Archived

  • Monitoring, Regular

    —

    HEXACHLOROBENZENE

    July 1, 2006 – September 30, 2006

    Archived

  • Monitoring, Regular

    —

    Heptachlor epoxide

    July 1, 2006 – September 30, 2006

    Archived

  • Monitoring, Regular

    —

    Heptachlor

    July 1, 2006 – September 30, 2006

    Archived

  • Monitoring, Regular

    —

    Atrazine

    July 1, 2006 – September 30, 2006

    Archived

  • Monitoring, Regular

    —

    Toluene

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Styrene

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    p-Dichlorobenzene

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Vinyl chloride

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Benzene

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Styrene

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Toluene

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Benzene

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Tetrachloroethylene

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Trichloroethylene

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    p-Dichlorobenzene

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Vinyl chloride

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Trichloroethylene

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    Tetrachloroethylene

    January 1, 2005 – December 31, 2007

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 2005 – December 31, 2007

    Resolved

  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    March 1, 2004 – March 31, 2004

    Archived

  • Monitoring, 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)

Enforcement actions

Contact

GREEN TANK IRR DISTRICT 11

Phone not on record

Walla Walla, WA 99362