Drinking Water Compliance OS

BAKER, MT · Fallon County

BAKER CITY OF 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 Montana’s official records. Always confirm current status with Montana before making decisions based on this information.

System facts

System ID (PWSID)
MT0000021
System type
Community Water System
Population served
1,858
Service connections
876
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    October 1, 2025 – October 6, 2025

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    July 1, 2025 – July 31, 2025

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    December 30, 2024 – February 4, 2025

    Resolved
  • Monitoring, Regular

    Chlordane

    July 1, 2022 – September 30, 2022

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    July 1, 2022 – September 30, 2022

    Resolved
  • Monitoring, Regular

    Benzo(a)pyrene

    July 1, 2022 – September 30, 2022

    Resolved
  • Monitoring, Regular

    HEXACHLOROBENZENE

    July 1, 2022 – September 30, 2022

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    July 1, 2022 – September 30, 2022

    Resolved
  • Monitoring, Regular

    2,4-D

    July 1, 2022 – September 30, 2022

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    July 1, 2022 – September 30, 2022

    Resolved
  • Monitoring, Regular

    Heptachlor

    July 1, 2022 – September 30, 2022

    Resolved
  • Monitoring, Regular

    LASSO

    July 1, 2022 – September 30, 2022

    Resolved
  • Monitoring, Regular

    Atrazine

    July 1, 2022 – September 30, 2022

    Resolved
  • Monitoring, Regular

    Carbofuran

    July 1, 2022 – September 30, 2022

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    July 1, 2022 – September 30, 2022

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    July 1, 2022 – September 30, 2022

    Resolved
  • Monitoring, Regular

    Dinoseb

    July 1, 2022 – September 30, 2022

    Resolved
  • Monitoring, Regular

    Picloram

    July 1, 2022 – September 30, 2022

    Resolved
  • Monitoring, Regular

    Dalapon

    July 1, 2022 – September 30, 2022

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    July 1, 2022 – September 30, 2022

    Resolved
  • Monitoring, Regular

    Endrin

    July 1, 2022 – September 30, 2022

    Resolved
  • Monitoring, Regular

    Simazine

    July 1, 2022 – September 30, 2022

    Resolved
  • Monitoring, Regular

    OXAMYL

    July 1, 2022 – September 30, 2022

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    January 1, 2022 – January 24, 2022

    Resolved
  • Monitoring, Regular

    Endrin

    January 1, 2022 – January 24, 2022

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    January 1, 2022 – January 24, 2022

    Resolved
  • Monitoring, Regular

    Methoxychlor

    January 1, 2022 – January 24, 2022

    Resolved
  • Monitoring, Regular

    Toxaphene

    January 1, 2022 – January 24, 2022

    Resolved
  • Monitoring, Regular

    Dalapon

    January 1, 2022 – January 24, 2022

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    January 1, 2022 – January 24, 2022

    Resolved
  • Monitoring, Regular

    OXAMYL

    January 1, 2022 – January 24, 2022

    Resolved
  • Monitoring, Regular

    Simazine

    January 1, 2022 – January 24, 2022

    Resolved
  • Monitoring, Regular

    Dinoseb

    January 1, 2022 – January 24, 2022

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    January 1, 2022 – January 24, 2022

    Resolved
  • Monitoring, Regular

    Carbofuran

    January 1, 2022 – January 24, 2022

    Resolved
  • Monitoring, Regular

    Atrazine

    January 1, 2022 – January 24, 2022

    Resolved
  • Monitoring, Regular

    LASSO

    January 1, 2022 – January 24, 2022

    Resolved
  • Monitoring, Regular

    Heptachlor

    January 1, 2022 – January 24, 2022

    Resolved
  • Monitoring, Regular

    Benzo(a)pyrene

    January 1, 2022 – January 24, 2022

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    October 31, 2021 – August 31, 2022

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    October 31, 2021 – August 31, 2022

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    July 1, 2021 – September 30, 2021

    Resolved
  • Monitoring, Regular

    Chlordane

    July 1, 2021 – September 30, 2021

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2021 – July 27, 2021

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    July 1, 2021 – September 30, 2021

    Resolved
  • Monitoring, Regular

    Benzo(a)pyrene

    July 1, 2021 – September 30, 2021

    Resolved
  • Monitoring, Regular

    LASSO

    July 1, 2021 – September 30, 2021

    Resolved
  • Monitoring, Regular

    Heptachlor

    July 1, 2021 – September 30, 2021

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    July 1, 2021 – September 30, 2021

    Resolved
  • Monitoring, Regular

    HEXACHLOROBENZENE

    July 1, 2021 – September 30, 2021

    Resolved
  • Monitoring, Regular

    Endrin

    July 1, 2021 – September 30, 2021

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    July 1, 2021 – September 30, 2021

    Resolved
  • Monitoring, Regular

    Methoxychlor

    July 1, 2021 – September 30, 2021

    Resolved
  • Monitoring, Regular

    Toxaphene

    July 1, 2021 – September 30, 2021

    Resolved
  • Monitoring, Regular

    Dalapon

    July 1, 2021 – September 30, 2021

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    July 1, 2021 – September 30, 2021

    Resolved
  • Monitoring, Regular

    OXAMYL

    July 1, 2021 – September 30, 2021

    Resolved
  • Monitoring, Regular

    Simazine

    July 1, 2021 – September 30, 2021

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    July 1, 2021 – September 30, 2021

    Resolved
  • Monitoring, Regular

    Picloram

    July 1, 2021 – September 30, 2021

    Resolved
  • Monitoring, Regular

    Dinoseb

    July 1, 2021 – September 30, 2021

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    July 1, 2021 – September 30, 2021

    Resolved
  • Monitoring, Regular

    Carbofuran

    July 1, 2021 – September 30, 2021

    Resolved
  • Monitoring, Regular

    Atrazine

    July 1, 2021 – September 30, 2021

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

    Lead and Copper Rule

    October 1, 2020 – August 10, 2021

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    September 1, 2020 – August 31, 2021

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    September 1, 2020 – August 31, 2021

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2020 – July 21, 2020

    Resolved
  • Monitoring, Regular

    Carbofuran

    January 1, 2020 – January 24, 2022

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    January 1, 2020 – January 24, 2022

    Resolved
  • Monitoring, Regular

    Methoxychlor

    January 1, 2020 – January 24, 2022

    Resolved
  • Monitoring, Regular

    Toxaphene

    January 1, 2020 – January 24, 2022

    Resolved
  • Monitoring, Regular

    Dalapon

    January 1, 2020 – January 24, 2022

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    January 1, 2020 – January 24, 2022

    Resolved
  • Monitoring, Regular

    OXAMYL

    January 1, 2020 – January 24, 2022

    Resolved
  • Monitoring, Regular

    Simazine

    January 1, 2020 – January 24, 2022

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    January 1, 2020 – January 24, 2022

    Resolved
  • Monitoring, Regular

    Picloram

    January 1, 2020 – January 24, 2022

    Resolved
  • Monitoring, Regular

    Dinoseb

    January 1, 2020 – January 24, 2022

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    January 1, 2020 – January 24, 2022

    Resolved
  • Monitoring, Regular

    Atrazine

    January 1, 2020 – January 24, 2022

    Resolved
  • Monitoring, Regular

    LASSO

    January 1, 2020 – January 24, 2022

    Resolved
  • Monitoring, Regular

    Heptachlor

    January 1, 2020 – January 24, 2022

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    January 1, 2020 – January 24, 2022

    Resolved
  • Monitoring, Regular

    2,4-D

    January 1, 2020 – January 24, 2022

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    January 1, 2020 – January 24, 2022

    Resolved
  • Monitoring, Regular

    HEXACHLOROBENZENE

    January 1, 2020 – January 24, 2022

    Resolved
  • Monitoring, Regular

    Benzo(a)pyrene

    January 1, 2020 – January 24, 2022

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    January 1, 2020 – January 24, 2022

    Resolved
  • Monitoring, Regular

    Chlordane

    January 1, 2020 – January 24, 2022

    Resolved
  • Monitoring, Regular

    Endrin

    January 1, 2020 – January 24, 2022

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    September 1, 2019 – August 31, 2020

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    September 1, 2019 – August 31, 2020

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2019 – July 19, 2019

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    September 1, 2018 – August 31, 2019

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    September 1, 2018 – August 31, 2019

    Resolved
  • Treatment Technique, Level 1 Assessment (RTCR)

    Health-based

    Revised Total Coliform Rule

    August 21, 2018 – October 1, 2018

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    July 18, 2018 – July 26, 2018

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    March 1, 2018 – March 31, 2018

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    December 30, 2017 – February 6, 2018

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    September 1, 2017 – August 31, 2018

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    September 1, 2017 – August 31, 2018

    Resolved
  • Monitoring, Regular

    Nitrate-Nitrite

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    December 21, 2016 – December 27, 2016

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    September 1, 2016 – August 31, 2017

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    September 1, 2016 – August 31, 2017

    Resolved
  • Sample Siting Plan Errors (RTCR)

    Revised Total Coliform Rule

    April 2, 2016 – January 18, 2017

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2015 – October 9, 2015

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2014 – December 29, 2014

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 2013 – June 30, 2013

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2007 – July 30, 2008

    Resolved
  • Monitoring, Repeat Minor (TCR)

    Coliform (TCR)

    August 1, 1997 – August 31, 1997

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Contact

REDDICK, SANDI

406-778-2692

BAKER, MT 59313