Public Water Partners

COLTON, OR · Clackamas County

COLTON WATER DISTRICT Water System

Consumer Confidence Report status

COLTON WATER DISTRICT 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 COLTON WATER DISTRICT.

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 Oregon’s official records. Always confirm current status with Oregon before making decisions based on this information.

System facts

System ID (PWSID)
OR4100202
System type
Community Water System
Population served
1,500
Service connections
498
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

COLTON WATER DISTRICT is one of 203 community water systems in Oregon in the 501 to 3,300 people size category, serving 1,500 people from surface water.

As of August 1, 2026, its federal record holds 215 entries between 1976 and 2026, all of which EPA lists as closed.

Of the 215, 201 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 the Surface Water Treatment Rules, volatile organic chemicals, and the Stage 2 Disinfectants and Disinfection Byproducts Rule.

Violation history

  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2026 – March 31, 2026

    Archived
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2026 – March 31, 2026

    Archived
  • Monthly Turbidity Exceed (Enhanced SWTR)

    Health-based

    Interim Enhanced Surface Water Treatment Rule

    January 1, 2026 – January 31, 2026

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    October 1, 2024 – October 31, 2024

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    October 1, 2024 – March 27, 2025

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    October 1, 2024 – October 31, 2024

    Resolved
  • Monitoring, Turbidity (Enhanced SWTR)

    Interim Enhanced Surface Water Treatment Rule

    October 1, 2024 – October 31, 2024

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    April 1, 2024 – April 30, 2024

    Resolved
  • Monitoring, Turbidity (Enhanced SWTR)

    Interim Enhanced Surface Water Treatment Rule

    January 1, 2024 – January 31, 2024

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2024 – March 31, 2024

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    January 1, 2024 – March 31, 2024

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    January 1, 2024 – January 31, 2024

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    January 1, 2024 – January 31, 2024

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    July 1, 2023 – September 30, 2023

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    July 1, 2023 – September 30, 2023

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    April 1, 2023 – June 30, 2023

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    April 1, 2023 – June 30, 2023

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    October 1, 2022 – December 31, 2022

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    October 1, 2022 – December 31, 2022

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    August 1, 2022 – August 31, 2022

    Resolved
  • Monitoring, Turbidity (Enhanced SWTR)

    Interim Enhanced Surface Water Treatment Rule

    August 1, 2022 – August 31, 2022

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    August 1, 2022 – August 31, 2022

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    July 1, 2022 – September 30, 2022

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    July 1, 2022 – September 30, 2022

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    June 1, 2022 – June 30, 2022

    Resolved
  • Monitoring, Turbidity (Enhanced SWTR)

    Interim Enhanced Surface Water Treatment Rule

    June 1, 2022 – June 30, 2022

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    June 1, 2022 – June 30, 2022

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    March 1, 2022 – March 31, 2022

    Resolved
  • Monitoring, Turbidity (Enhanced SWTR)

    Interim Enhanced Surface Water Treatment Rule

    March 1, 2022 – March 31, 2022

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    March 1, 2022 – March 31, 2022

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    November 1, 2021 – November 30, 2021

    Resolved
  • Monitoring, Turbidity (Enhanced SWTR)

    Interim Enhanced Surface Water Treatment Rule

    November 1, 2021 – November 30, 2021

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    November 1, 2021 – November 30, 2021

    Resolved
  • Monitoring, Turbidity (Enhanced SWTR)

    Interim Enhanced Surface Water Treatment Rule

    September 1, 2021 – September 30, 2021

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    September 1, 2021 – September 30, 2021

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    September 1, 2021 – September 30, 2021

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    June 1, 2021 – June 30, 2021

    Resolved
  • Monitoring, Turbidity (Enhanced SWTR)

    Interim Enhanced Surface Water Treatment Rule

    June 1, 2021 – June 30, 2021

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    June 1, 2021 – June 30, 2021

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    April 1, 2021 – April 30, 2021

    Resolved
  • Monitoring, Turbidity (Enhanced SWTR)

    Interim Enhanced Surface Water Treatment Rule

    April 1, 2021 – April 30, 2021

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    April 1, 2021 – April 30, 2021

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    March 1, 2021 – March 31, 2021

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    March 1, 2021 – March 31, 2021

    Resolved
  • Monitoring, Turbidity (Enhanced SWTR)

    Interim Enhanced Surface Water Treatment Rule

    March 1, 2021 – March 31, 2021

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2021 – March 31, 2021

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2021 – March 31, 2021

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    December 1, 2020 – December 31, 2020

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    December 1, 2020 – December 31, 2020

    Resolved
  • Monitoring, Turbidity (Enhanced SWTR)

    Interim Enhanced Surface Water Treatment Rule

    December 1, 2020 – December 31, 2020

    Resolved
  • Monthly Turbidity Exceed (Enhanced SWTR)

    Health-based

    Interim Enhanced Surface Water Treatment Rule

    September 1, 2020 – September 30, 2020

    Resolved
  • Monitoring, Turbidity (Enhanced SWTR)

    Interim Enhanced Surface Water Treatment Rule

    April 1, 2020 – April 30, 2020

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    April 1, 2020 – April 30, 2020

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    April 1, 2020 – April 30, 2020

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2020 – March 31, 2020

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2020 – March 31, 2020

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    December 1, 2019 – December 31, 2019

    Resolved
  • Monitoring, Turbidity (Enhanced SWTR)

    Interim Enhanced Surface Water Treatment Rule

    December 1, 2019 – December 31, 2019

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    December 1, 2019 – December 31, 2019

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    October 1, 2019 – October 31, 2019

    Resolved
  • Monitoring, Turbidity (Enhanced SWTR)

    Interim Enhanced Surface Water Treatment Rule

    October 1, 2019 – October 31, 2019

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    October 1, 2019 – October 31, 2019

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    July 1, 2019 – July 31, 2019

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    July 1, 2019 – July 31, 2019

    Resolved
  • Monitoring, Turbidity (Enhanced SWTR)

    Interim Enhanced Surface Water Treatment Rule

    July 1, 2019 – July 31, 2019

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    April 1, 2019 – June 30, 2019

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    April 1, 2019 – June 30, 2019

    Resolved
  • Monitoring, Turbidity (Enhanced SWTR)

    Interim Enhanced Surface Water Treatment Rule

    February 1, 2019 – February 28, 2019

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    February 1, 2019 – February 28, 2019

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    February 1, 2019 – February 28, 2019

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    February 1, 2019 – February 28, 2019

    Resolved
  • Monitoring, Turbidity (Enhanced SWTR)

    Interim Enhanced Surface Water Treatment Rule

    November 1, 2018 – November 30, 2018

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    November 1, 2018 – November 30, 2018

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    November 1, 2018 – November 30, 2018

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    October 1, 2018 – December 31, 2018

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    October 1, 2018 – December 31, 2018

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    July 1, 2018 – July 31, 2018

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    July 1, 2018 – September 30, 2018

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    July 1, 2018 – September 30, 2018

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    May 1, 2018 – May 31, 2018

    Resolved
  • Monitoring, Turbidity (Enhanced SWTR)

    Interim Enhanced Surface Water Treatment Rule

    January 1, 2018 – January 31, 2018

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2018 – March 31, 2018

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    January 1, 2018 – January 31, 2018

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    July 1, 2017 – September 30, 2017

    Resolved
  • Monitoring, Turbidity (Enhanced SWTR)

    Interim Enhanced Surface Water Treatment Rule

    March 1, 2017 – March 31, 2017

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    March 1, 2017 – March 31, 2017

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2017 – March 31, 2017

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2017 – March 31, 2017

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    August 1, 2016 – August 31, 2016

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    July 1, 2016 – July 31, 2016

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    July 1, 2016 – July 31, 2016

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    April 1, 2016 – June 30, 2016

    Resolved
  • Monitoring, Turbidity (Enhanced SWTR)

    Interim Enhanced Surface Water Treatment Rule

    March 1, 2016 – March 31, 2016

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    March 1, 2016 – March 31, 2016

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    March 1, 2016 – March 31, 2016

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2016 – December 31, 2016

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    July 1, 2015 – September 30, 2015

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    March 1, 2015 – March 31, 2015

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    July 1, 2014 – September 30, 2014

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    October 1, 2013 – December 31, 2013

    Resolved
  • Monitoring, Turbidity (Enhanced SWTR)

    Interim Enhanced Surface Water Treatment Rule

    January 1, 2013 – January 31, 2013

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    January 1, 2013 – January 31, 2013

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2013 – March 31, 2013

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    July 1, 2012 – September 30, 2012

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    July 1, 2012 – September 30, 2012

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    May 1, 2012 – May 31, 2012

    Resolved
  • Monitoring, Turbidity (Enhanced SWTR)

    Interim Enhanced Surface Water Treatment Rule

    May 1, 2012 – May 31, 2012

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2012 – March 31, 2012

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    January 1, 2011 – December 31, 2011

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2011 – December 31, 2011

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2011 – December 31, 2011

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 2011 – December 31, 2011

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2011 – December 31, 2011

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2011 – December 31, 2011

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2011 – December 31, 2011

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    January 1, 2011 – December 31, 2011

    Resolved
  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    January 1, 2011 – October 2, 2013

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 2011 – December 31, 2011

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 2011 – December 31, 2011

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2011 – December 31, 2011

    Resolved
  • Monthly Turbidity Exceed (Enhanced SWTR)

    Health-based

    Interim Enhanced Surface Water Treatment Rule

    April 1, 2009 – April 30, 2009

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2009 – January 31, 2009

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2009 – January 31, 2009

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Combined Uranium

    January 1, 2008 – December 31, 2016

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Toluene

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2007 – December 31, 2007

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    January 1, 2005 – December 31, 2007

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    January 1, 2005 – December 31, 2007

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    January 1, 2005 – December 31, 2007

    Resolved
  • Monitoring, Regular

    2,4-D

    January 1, 2005 – December 31, 2007

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    January 1, 2005 – December 31, 2007

    Resolved
  • Monitoring, Regular

    Dinoseb

    January 1, 2005 – December 31, 2007

    Resolved
  • Monitoring, Regular

    Picloram

    January 1, 2005 – December 31, 2007

    Resolved
  • Monitoring, Regular

    Endothall

    January 1, 2005 – December 31, 2007

    Resolved
  • Monitoring, Regular

    Toxaphene

    January 1, 2005 – December 31, 2007

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    January 1, 2005 – December 31, 2007

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Toluene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Arsenic

    January 1, 2005 – December 31, 2005

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    April 1, 2004 – April 30, 2004

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2004 – December 31, 2004

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    August 1, 2001 – August 31, 2001

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    August 1, 2000 – August 31, 2000

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    July 1, 1998 – July 31, 1998

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    August 1, 1997 – August 31, 1997

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    July 1, 1997 – July 31, 1997

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    December 1, 1995 – December 31, 1995

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    September 1, 1995 – September 30, 1995

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    April 1, 1995 – April 30, 1995

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    March 1, 1995 – March 31, 1995

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    March 1, 1994 – March 31, 1994

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    June 1, 1993 – June 30, 1993

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    February 1, 1993 – February 28, 1993

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    January 1, 1992 – January 31, 1992

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 1991 – November 30, 1991

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 1991 – November 30, 1991

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    June 1, 1976 – May 31, 1980

    Archived
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    June 1, 1976 – May 31, 1980

    Archived

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

Enforcement actions

Common questions

Is COLTON WATER DISTRICT required to publish a Consumer Confidence Report?

Yes. COLTON WATER DISTRICT 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 COLTON WATER DISTRICT’s next Consumer Confidence Report due?

COLTON WATER DISTRICT’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does COLTON WATER DISTRICT have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for COLTON WATER DISTRICT.

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

COLTON WATER DISTRICT

503-824-2500

COLTON, OR 97017