Drinking Water Compliance OS

FAIRBANKS, AK · Fairbanks North Star Borough County

RAINBOW VALLEY MHP Water System

Current status

3 open health-based violations on record as of July 4, 2026, alongside 1 other open item(s). See the violation history below for contaminant and status details.

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

System facts

System ID (PWSID)
AK2310879
System type
Community Water System
Population served
105
Service connections
43
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Failure To Address Deficiency

    Health-based

    Groundwater Rule

    January 2, 2025 – July 23, 2025

    Resolved
  • Failure To Address Deficiency

    Health-based

    Groundwater Rule

    January 2, 2025

    Unaddressed
  • Failure To Address Deficiency

    Health-based

    Groundwater Rule

    January 2, 2025 – July 23, 2025

    Resolved
  • Failure To Address Deficiency

    Health-based

    Groundwater Rule

    January 2, 2025

    Unaddressed
  • Failure To Address Deficiency

    Health-based

    Groundwater Rule

    January 2, 2025

    Unaddressed
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2023 – September 18, 2023

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    February 1, 2022 – February 28, 2022

    Resolved
  • Monitoring, Regular

    HEXACHLOROBENZENE

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring, Regular

    2,4-D

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring, Regular

    Heptachlor

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring, Regular

    2,3,7,8-TCDD

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring, Regular

    LASSO

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring, Regular

    Atrazine

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring, Regular

    Carbofuran

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring, Regular

    Dinoseb

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring, Regular

    Picloram

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring, Regular

    Simazine

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring, Regular

    OXAMYL

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring, Regular

    Glyphosate

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring, Regular

    Endothall

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring, Regular

    Diquat

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring, Regular

    Dalapon

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring, Regular

    Toxaphene

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring, Regular

    Methoxychlor

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring, Regular

    Endrin

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    January 1, 2022 – January 31, 2022

    Resolved
  • Monitoring, Regular

    Chlordane

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring, Regular

    Benzo(a)pyrene

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    December 14, 2021 – March 2, 2022

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    December 1, 2021 – December 31, 2021

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    October 1, 2021 – October 31, 2021

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2021 – September 11, 2022

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

    Lead and Copper Rule

    January 1, 2021 – December 30, 2021

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    October 1, 2020 – June 30, 2021

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2020 – September 11, 2022

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    October 1, 2017 – April 4, 2018

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2017 – April 4, 2018

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    March 1, 2016 – March 31, 2016

    Resolved
  • Failure To Address Deficiency

    Health-based

    Groundwater Rule

    December 23, 2015 – December 30, 2015

    Resolved
  • Failure To Address Deficiency

    Health-based

    Groundwater Rule

    December 23, 2015 – May 8, 2018

    Resolved
  • Failure To Address Deficiency

    Health-based

    Groundwater Rule

    December 23, 2015 – December 30, 2015

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 2015 – December 31, 2015

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    October 1, 2015 – October 31, 2015

    Resolved
  • Sanitary Survey (TCR)

    No contaminant on record

    September 22, 2015

    Unaddressed
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2015 – July 17, 2015

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2015 – December 31, 2015

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2014 – July 11, 2014

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    Combined Uranium

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2014 – December 31, 2014

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    Toluene

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 2014 – December 31, 2016

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 2013 – December 31, 2013

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 2013 – November 30, 2013

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    October 1, 2013 – October 31, 2013

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 2013 – August 31, 2013

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2013 – March 12, 2014

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 2013 – June 30, 2013

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    February 1, 2013 – February 28, 2013

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2012 – October 9, 2012

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

    Lead and Copper Rule

    January 1, 2012 – September 13, 2017

    Resolved
  • Sanitary Survey (TCR)

    No contaminant on record

    January 1, 2012 – December 31, 2014

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2011 – August 20, 2011

    Resolved
  • Monitoring, Regular

    Chromium

    January 1, 2011 – December 31, 2019

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

    Lead and Copper Rule

    January 1, 2011 – September 13, 2017

    Resolved
  • Monitoring, Regular

    Thallium, Total

    January 1, 2011 – December 31, 2019

    Resolved
  • Monitoring, Regular

    Beryllium, Total

    January 1, 2011 – December 31, 2019

    Resolved
  • Monitoring, Regular

    Cadmium

    January 1, 2011 – December 31, 2019

    Resolved
  • Monitoring, Regular

    Selenium

    January 1, 2011 – December 31, 2019

    Resolved
  • Monitoring, Regular

    Antimony, Total

    January 1, 2011 – December 31, 2019

    Resolved
  • Monitoring, Regular

    Nickel

    January 1, 2011 – December 31, 2019

    Resolved
  • Monitoring, Regular

    Mercury

    January 1, 2011 – December 31, 2019

    Resolved
  • Monitoring, Regular

    Fluoride

    January 1, 2011 – December 31, 2019

    Resolved
  • Monitoring, Regular

    CYANIDE

    January 1, 2011 – December 31, 2019

    Resolved
  • Monitoring, Regular

    Barium

    January 1, 2011 – December 31, 2019

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2010 – July 21, 2010

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 2010 – April 30, 2010

    Resolved
  • Monitoring, Regular

    Dalapon

    January 1, 2010 – March 12, 2010

    Resolved
  • Monitoring, Regular

    Toxaphene

    January 1, 2010 – March 12, 2010

    Resolved
  • Monitoring, Regular

    Methoxychlor

    January 1, 2010 – March 12, 2010

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    January 1, 2010 – March 12, 2010

    Resolved
  • Monitoring, Regular

    Endrin

    January 1, 2010 – March 12, 2010

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    January 1, 2010 – January 31, 2010

    Resolved
  • Monitoring, Regular

    Heptachlor

    January 1, 2010 – March 12, 2010

    Resolved
  • Monitoring, Regular

    Chlordane

    January 1, 2010 – March 12, 2010

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    January 1, 2010 – March 12, 2010

    Resolved
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    January 1, 2010 – March 12, 2010

    Resolved
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    January 1, 2010 – March 12, 2010

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    January 1, 2010 – March 12, 2010

    Resolved
  • Monitoring, Regular

    Benzo(a)pyrene

    January 1, 2010 – March 12, 2010

    Resolved
  • Monitoring, Regular

    HEXACHLOROBENZENE

    January 1, 2010 – March 12, 2010

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    January 1, 2010 – March 12, 2010

    Resolved
  • Monitoring, Regular

    2,4-D

    January 1, 2010 – March 12, 2010

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    January 1, 2010 – March 12, 2010

    Resolved
  • Monitoring, Regular

    2,3,7,8-TCDD

    January 1, 2010 – March 12, 2010

    Resolved
  • Monitoring, Regular

    LASSO

    January 1, 2010 – March 12, 2010

    Resolved
  • Monitoring, Regular

    Atrazine

    January 1, 2010 – March 12, 2010

    Resolved
  • Monitoring, Regular

    Carbofuran

    January 1, 2010 – March 12, 2010

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    January 1, 2010 – March 12, 2010

    Resolved
  • Monitoring, Regular

    Dinoseb

    January 1, 2010 – March 12, 2010

    Resolved
  • Monitoring, Regular

    Picloram

    January 1, 2010 – March 12, 2010

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    January 1, 2010 – March 12, 2010

    Resolved
  • Monitoring, Regular

    Simazine

    January 1, 2010 – March 12, 2010

    Resolved
  • Monitoring, Regular

    OXAMYL

    January 1, 2010 – March 12, 2010

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    January 1, 2010 – March 12, 2010

    Resolved
  • Monitoring, Regular

    Glyphosate

    January 1, 2010 – March 12, 2010

    Resolved
  • Monitoring, Regular

    Endothall

    January 1, 2010 – March 12, 2010

    Resolved
  • Monitoring, Regular

    Diquat

    January 1, 2010 – March 12, 2010

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2009 – July 21, 2010

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2009 – December 31, 2009

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 2008 – November 30, 2008

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2008 – September 18, 2008

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    December 1, 2007 – December 31, 2007

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    November 1, 2007 – November 30, 2007

    Resolved
  • Monitoring, Regular

    Combined Uranium

    October 1, 2007 – December 31, 2007

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    October 1, 2007 – December 31, 2007

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    October 1, 2007 – December 31, 2007

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    July 1, 2007 – September 30, 2007

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2007 – July 21, 2010

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    July 1, 2007 – July 31, 2007

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    July 1, 2007 – September 30, 2007

    Resolved
  • Monitoring, Regular

    Combined Uranium

    July 1, 2007 – September 30, 2007

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    April 1, 2007 – June 30, 2007

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    April 1, 2007 – June 30, 2007

    Resolved
  • Monitoring, Regular

    Combined Uranium

    April 1, 2007 – June 30, 2007

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

    Lead and Copper Rule

    January 1, 2007 – February 28, 2011

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    January 1, 2007 – March 31, 2007

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    January 1, 2007 – March 31, 2007

    Resolved
  • Monitoring, Regular

    Combined Uranium

    January 1, 2007 – March 31, 2007

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2005 – June 22, 2006

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    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

    1,1,1-Trichloroethane

    January 1, 2005 – December 31, 2007

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 2005 – December 31, 2007

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 2005 – December 31, 2007

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2005 – December 31, 2007

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 2005 – December 31, 2007

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 2005 – December 31, 2007

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2005 – December 31, 2007

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    January 1, 2005 – December 31, 2007

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 2005 – December 31, 2007

    Resolved
  • Monitoring, Regular

    Arsenic

    January 1, 2005 – December 31, 2007

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    January 1, 2005 – December 31, 2007

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2003 – March 22, 2004

    Resolved
  • Sanitary Survey (TCR)

    No contaminant on record

    January 1, 2002 – December 31, 2006

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    August 1, 1999 – August 31, 1999

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    July 1, 1999 – July 31, 1999

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

    Lead and Copper Rule

    January 1, 1997 – April 28, 2000

    Resolved
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    July 1, 1993 – December 29, 1998

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    June 30, 1985 – June 30, 1989

    Archived

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Contact

BROCK, ROBERT

907-831-0668

FAIRBANKS, AK 99701