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
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
July 1, 2025 – July 31, 2025
ResolvedLead Consumer Notice
—Lead and Copper Rule
December 30, 2024 – February 4, 2025
ResolvedMonitoring, Regular
—Chlordane
July 1, 2022 – September 30, 2022
ResolvedMonitoring, Regular
—Pentachlorophenol
July 1, 2022 – September 30, 2022
ResolvedMonitoring, Regular
—Benzo(a)pyrene
July 1, 2022 – September 30, 2022
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
July 1, 2022 – September 30, 2022
ResolvedMonitoring, Regular
—2,4,5-TP
July 1, 2022 – September 30, 2022
ResolvedMonitoring, Regular
—2,4-D
July 1, 2022 – September 30, 2022
ResolvedMonitoring, Regular
—Heptachlor epoxide
July 1, 2022 – September 30, 2022
ResolvedMonitoring, Regular
—Heptachlor
July 1, 2022 – September 30, 2022
ResolvedMonitoring, Regular
—LASSO
July 1, 2022 – September 30, 2022
ResolvedMonitoring, Regular
—Atrazine
July 1, 2022 – September 30, 2022
ResolvedMonitoring, Regular
—Carbofuran
July 1, 2022 – September 30, 2022
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
July 1, 2022 – September 30, 2022
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
July 1, 2022 – September 30, 2022
ResolvedMonitoring, Regular
—Dinoseb
July 1, 2022 – September 30, 2022
ResolvedMonitoring, Regular
—Picloram
July 1, 2022 – September 30, 2022
ResolvedMonitoring, Regular
—Dalapon
July 1, 2022 – September 30, 2022
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
July 1, 2022 – September 30, 2022
ResolvedMonitoring, Regular
—Endrin
July 1, 2022 – September 30, 2022
ResolvedMonitoring, Regular
—Simazine
July 1, 2022 – September 30, 2022
ResolvedMonitoring, Regular
—OXAMYL
July 1, 2022 – September 30, 2022
ResolvedMonitoring, Regular
—Heptachlor epoxide
January 1, 2022 – January 24, 2022
ResolvedMonitoring, Regular
—Endrin
January 1, 2022 – January 24, 2022
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 2022 – January 24, 2022
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 2022 – January 24, 2022
ResolvedMonitoring, Regular
—Toxaphene
January 1, 2022 – January 24, 2022
ResolvedMonitoring, Regular
—Dalapon
January 1, 2022 – January 24, 2022
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 2022 – January 24, 2022
ResolvedMonitoring, Regular
—OXAMYL
January 1, 2022 – January 24, 2022
ResolvedMonitoring, Regular
—Simazine
January 1, 2022 – January 24, 2022
ResolvedMonitoring, Regular
—Dinoseb
January 1, 2022 – January 24, 2022
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2022 – January 24, 2022
ResolvedMonitoring, Regular
—Carbofuran
January 1, 2022 – January 24, 2022
ResolvedMonitoring, Regular
—Atrazine
January 1, 2022 – January 24, 2022
ResolvedMonitoring, Regular
—LASSO
January 1, 2022 – January 24, 2022
ResolvedMonitoring, Regular
—Heptachlor
January 1, 2022 – January 24, 2022
ResolvedMonitoring, Regular
—Benzo(a)pyrene
January 1, 2022 – January 24, 2022
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
January 1, 2022 – March 31, 2022
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
January 1, 2022 – March 31, 2022
ResolvedMonitoring and Reporting (DBP)
—TTHM
October 31, 2021 – August 31, 2022
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
October 31, 2021 – August 31, 2022
ResolvedMonitoring, Regular
—Pentachlorophenol
July 1, 2021 – September 30, 2021
ResolvedMonitoring, Regular
—Chlordane
July 1, 2021 – September 30, 2021
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2021 – July 27, 2021
ResolvedMonitoring, Regular
—2,4,5-TP
July 1, 2021 – September 30, 2021
ResolvedMonitoring, Regular
—Benzo(a)pyrene
July 1, 2021 – September 30, 2021
ResolvedMonitoring, Regular
—LASSO
July 1, 2021 – September 30, 2021
ResolvedMonitoring, Regular
—Heptachlor
July 1, 2021 – September 30, 2021
ResolvedMonitoring, Regular
—Heptachlor epoxide
July 1, 2021 – September 30, 2021
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
July 1, 2021 – September 30, 2021
ResolvedMonitoring, Regular
—Endrin
July 1, 2021 – September 30, 2021
ResolvedMonitoring, Regular
—BHC-GAMMA
July 1, 2021 – September 30, 2021
ResolvedMonitoring, Regular
—Methoxychlor
July 1, 2021 – September 30, 2021
ResolvedMonitoring, Regular
—Toxaphene
July 1, 2021 – September 30, 2021
ResolvedMonitoring, Regular
—Dalapon
July 1, 2021 – September 30, 2021
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
July 1, 2021 – September 30, 2021
ResolvedMonitoring, Regular
—OXAMYL
July 1, 2021 – September 30, 2021
ResolvedMonitoring, Regular
—Simazine
July 1, 2021 – September 30, 2021
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
July 1, 2021 – September 30, 2021
ResolvedMonitoring, Regular
—Picloram
July 1, 2021 – September 30, 2021
ResolvedMonitoring, Regular
—Dinoseb
July 1, 2021 – September 30, 2021
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
July 1, 2021 – September 30, 2021
ResolvedMonitoring, Regular
—Carbofuran
July 1, 2021 – September 30, 2021
ResolvedMonitoring, Regular
—Atrazine
July 1, 2021 – September 30, 2021
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2020 – August 10, 2021
ResolvedMonitoring and Reporting (DBP)
—TTHM
September 1, 2020 – August 31, 2021
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
September 1, 2020 – August 31, 2021
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2020 – July 21, 2020
ResolvedMonitoring, Regular
—Carbofuran
January 1, 2020 – January 24, 2022
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 2020 – January 24, 2022
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 2020 – January 24, 2022
ResolvedMonitoring, Regular
—Toxaphene
January 1, 2020 – January 24, 2022
ResolvedMonitoring, Regular
—Dalapon
January 1, 2020 – January 24, 2022
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 2020 – January 24, 2022
ResolvedMonitoring, Regular
—OXAMYL
January 1, 2020 – January 24, 2022
ResolvedMonitoring, Regular
—Simazine
January 1, 2020 – January 24, 2022
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 2020 – January 24, 2022
ResolvedMonitoring, Regular
—Picloram
January 1, 2020 – January 24, 2022
ResolvedMonitoring, Regular
—Dinoseb
January 1, 2020 – January 24, 2022
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2020 – January 24, 2022
ResolvedMonitoring, Regular
—Atrazine
January 1, 2020 – January 24, 2022
ResolvedMonitoring, Regular
—LASSO
January 1, 2020 – January 24, 2022
ResolvedMonitoring, Regular
—Heptachlor
January 1, 2020 – January 24, 2022
ResolvedMonitoring, Regular
—Heptachlor epoxide
January 1, 2020 – January 24, 2022
ResolvedMonitoring, Regular
—2,4-D
January 1, 2020 – January 24, 2022
ResolvedMonitoring, Regular
—2,4,5-TP
January 1, 2020 – January 24, 2022
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 2020 – January 24, 2022
ResolvedMonitoring, Regular
—Benzo(a)pyrene
January 1, 2020 – January 24, 2022
ResolvedMonitoring, Regular
—Pentachlorophenol
January 1, 2020 – January 24, 2022
ResolvedMonitoring, Regular
—Chlordane
January 1, 2020 – January 24, 2022
ResolvedMonitoring, Regular
—Endrin
January 1, 2020 – January 24, 2022
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
September 1, 2019 – August 31, 2020
ResolvedMonitoring and Reporting (DBP)
—TTHM
September 1, 2019 – August 31, 2020
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2019 – July 19, 2019
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
September 1, 2018 – August 31, 2019
ResolvedMonitoring and Reporting (DBP)
—TTHM
September 1, 2018 – August 31, 2019
ResolvedTreatment Technique, Level 1 Assessment (RTCR)
Health-basedRevised Total Coliform Rule
August 21, 2018 – October 1, 2018
ResolvedMonitoring, Source Water (GWR)
—E. COLI
July 18, 2018 – July 26, 2018
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
March 1, 2018 – March 31, 2018
ResolvedLead Consumer Notice
—Lead and Copper Rule
December 30, 2017 – February 6, 2018
ResolvedMonitoring and Reporting (DBP)
—TTHM
September 1, 2017 – August 31, 2018
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
September 1, 2017 – August 31, 2018
ResolvedMonitoring, Regular
—Nitrate-Nitrite
January 1, 2017 – December 31, 2017
ResolvedMonitoring, Source Water (GWR)
—E. COLI
December 21, 2016 – December 27, 2016
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
September 1, 2016 – August 31, 2017
ResolvedMonitoring and Reporting (DBP)
—TTHM
September 1, 2016 – August 31, 2017
ResolvedSample Siting Plan Errors (RTCR)
—Revised Total Coliform Rule
April 2, 2016 – January 18, 2017
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2015 – October 9, 2015
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2014 – December 29, 2014
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
June 1, 2013 – June 30, 2013
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2007 – July 30, 2008
ResolvedMonitoring, Repeat Minor (TCR)
—Coliform (TCR)
August 1, 1997 – August 31, 1997
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 2025 – October 6, 2025 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| July 1, 2025 – July 31, 2025 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| December 30, 2024 – February 4, 2025 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
| July 1, 2022 – September 30, 2022 | Monitoring, Regular | Chlordane | — | Resolved |
| July 1, 2022 – September 30, 2022 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| July 1, 2022 – September 30, 2022 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| July 1, 2022 – September 30, 2022 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| July 1, 2022 – September 30, 2022 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| July 1, 2022 – September 30, 2022 | Monitoring, Regular | 2,4-D | — | Resolved |
| July 1, 2022 – September 30, 2022 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| July 1, 2022 – September 30, 2022 | Monitoring, Regular | Heptachlor | — | Resolved |
| July 1, 2022 – September 30, 2022 | Monitoring, Regular | LASSO | — | Resolved |
| July 1, 2022 – September 30, 2022 | Monitoring, Regular | Atrazine | — | Resolved |
| July 1, 2022 – September 30, 2022 | Monitoring, Regular | Carbofuran | — | Resolved |
| July 1, 2022 – September 30, 2022 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| July 1, 2022 – September 30, 2022 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| July 1, 2022 – September 30, 2022 | Monitoring, Regular | Dinoseb | — | Resolved |
| July 1, 2022 – September 30, 2022 | Monitoring, Regular | Picloram | — | Resolved |
| July 1, 2022 – September 30, 2022 | Monitoring, Regular | Dalapon | — | Resolved |
| July 1, 2022 – September 30, 2022 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| July 1, 2022 – September 30, 2022 | Monitoring, Regular | Endrin | — | Resolved |
| July 1, 2022 – September 30, 2022 | Monitoring, Regular | Simazine | — | Resolved |
| July 1, 2022 – September 30, 2022 | Monitoring, Regular | OXAMYL | — | Resolved |
| January 1, 2022 – January 24, 2022 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| January 1, 2022 – January 24, 2022 | Monitoring, Regular | Endrin | — | Resolved |
| January 1, 2022 – January 24, 2022 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| January 1, 2022 – January 24, 2022 | Monitoring, Regular | Methoxychlor | — | Resolved |
| January 1, 2022 – January 24, 2022 | Monitoring, Regular | Toxaphene | — | Resolved |
| January 1, 2022 – January 24, 2022 | Monitoring, Regular | Dalapon | — | Resolved |
| January 1, 2022 – January 24, 2022 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| January 1, 2022 – January 24, 2022 | Monitoring, Regular | OXAMYL | — | Resolved |
| January 1, 2022 – January 24, 2022 | Monitoring, Regular | Simazine | — | Resolved |
| January 1, 2022 – January 24, 2022 | Monitoring, Regular | Dinoseb | — | Resolved |
| January 1, 2022 – January 24, 2022 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 2022 – January 24, 2022 | Monitoring, Regular | Carbofuran | — | Resolved |
| January 1, 2022 – January 24, 2022 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 2022 – January 24, 2022 | Monitoring, Regular | LASSO | — | Resolved |
| January 1, 2022 – January 24, 2022 | Monitoring, Regular | Heptachlor | — | Resolved |
| January 1, 2022 – January 24, 2022 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| January 1, 2022 – March 31, 2022 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| January 1, 2022 – March 31, 2022 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| October 31, 2021 – August 31, 2022 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| October 31, 2021 – August 31, 2022 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| July 1, 2021 – September 30, 2021 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| July 1, 2021 – September 30, 2021 | Monitoring, Regular | Chlordane | — | Resolved |
| July 1, 2021 – July 27, 2021 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2021 – September 30, 2021 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| July 1, 2021 – September 30, 2021 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| July 1, 2021 – September 30, 2021 | Monitoring, Regular | LASSO | — | Resolved |
| July 1, 2021 – September 30, 2021 | Monitoring, Regular | Heptachlor | — | Resolved |
| July 1, 2021 – September 30, 2021 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| July 1, 2021 – September 30, 2021 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| July 1, 2021 – September 30, 2021 | Monitoring, Regular | Endrin | — | Resolved |
| July 1, 2021 – September 30, 2021 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| July 1, 2021 – September 30, 2021 | Monitoring, Regular | Methoxychlor | — | Resolved |
| July 1, 2021 – September 30, 2021 | Monitoring, Regular | Toxaphene | — | Resolved |
| July 1, 2021 – September 30, 2021 | Monitoring, Regular | Dalapon | — | Resolved |
| July 1, 2021 – September 30, 2021 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| July 1, 2021 – September 30, 2021 | Monitoring, Regular | OXAMYL | — | Resolved |
| July 1, 2021 – September 30, 2021 | Monitoring, Regular | Simazine | — | Resolved |
| July 1, 2021 – September 30, 2021 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| July 1, 2021 – September 30, 2021 | Monitoring, Regular | Picloram | — | Resolved |
| July 1, 2021 – September 30, 2021 | Monitoring, Regular | Dinoseb | — | Resolved |
| July 1, 2021 – September 30, 2021 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| July 1, 2021 – September 30, 2021 | Monitoring, Regular | Carbofuran | — | Resolved |
| July 1, 2021 – September 30, 2021 | Monitoring, Regular | Atrazine | — | Resolved |
| October 1, 2020 – August 10, 2021 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| September 1, 2020 – August 31, 2021 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| September 1, 2020 – August 31, 2021 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| July 1, 2020 – July 21, 2020 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2020 – January 24, 2022 | Monitoring, Regular | Carbofuran | — | Resolved |
| January 1, 2020 – January 24, 2022 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| January 1, 2020 – January 24, 2022 | Monitoring, Regular | Methoxychlor | — | Resolved |
| January 1, 2020 – January 24, 2022 | Monitoring, Regular | Toxaphene | — | Resolved |
| January 1, 2020 – January 24, 2022 | Monitoring, Regular | Dalapon | — | Resolved |
| January 1, 2020 – January 24, 2022 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| January 1, 2020 – January 24, 2022 | Monitoring, Regular | OXAMYL | — | Resolved |
| January 1, 2020 – January 24, 2022 | Monitoring, Regular | Simazine | — | Resolved |
| January 1, 2020 – January 24, 2022 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| January 1, 2020 – January 24, 2022 | Monitoring, Regular | Picloram | — | Resolved |
| January 1, 2020 – January 24, 2022 | Monitoring, Regular | Dinoseb | — | Resolved |
| January 1, 2020 – January 24, 2022 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 2020 – January 24, 2022 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 2020 – January 24, 2022 | Monitoring, Regular | LASSO | — | Resolved |
| January 1, 2020 – January 24, 2022 | Monitoring, Regular | Heptachlor | — | Resolved |
| January 1, 2020 – January 24, 2022 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| January 1, 2020 – January 24, 2022 | Monitoring, Regular | 2,4-D | — | Resolved |
| January 1, 2020 – January 24, 2022 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| January 1, 2020 – January 24, 2022 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| January 1, 2020 – January 24, 2022 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| January 1, 2020 – January 24, 2022 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| January 1, 2020 – January 24, 2022 | Monitoring, Regular | Chlordane | — | Resolved |
| January 1, 2020 – January 24, 2022 | Monitoring, Regular | Endrin | — | Resolved |
| September 1, 2019 – August 31, 2020 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| September 1, 2019 – August 31, 2020 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| July 1, 2019 – July 19, 2019 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| September 1, 2018 – August 31, 2019 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| September 1, 2018 – August 31, 2019 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| August 21, 2018 – October 1, 2018 | Treatment Technique, Level 1 Assessment (RTCR) | Revised Total Coliform Rule | Health-based | Resolved |
| July 18, 2018 – July 26, 2018 | Monitoring, Source Water (GWR) | E. COLI | — | Resolved |
| March 1, 2018 – March 31, 2018 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| December 30, 2017 – February 6, 2018 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
| September 1, 2017 – August 31, 2018 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| September 1, 2017 – August 31, 2018 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2017 – December 31, 2017 | Monitoring, Regular | Nitrate-Nitrite | — | Resolved |
| December 21, 2016 – December 27, 2016 | Monitoring, Source Water (GWR) | E. COLI | — | Resolved |
| September 1, 2016 – August 31, 2017 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| September 1, 2016 – August 31, 2017 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| April 2, 2016 – January 18, 2017 | Sample Siting Plan Errors (RTCR) | Revised Total Coliform Rule | — | Resolved |
| July 1, 2015 – October 9, 2015 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2014 – December 29, 2014 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| June 1, 2013 – June 30, 2013 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 2007 – July 30, 2008 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| August 1, 1997 – August 31, 1997 | Monitoring, Repeat Minor (TCR) | Coliform (TCR) | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- October 6, 2025State Violation/Reminder Notice1 linked violation
- October 6, 2025State Compliance achieved1 linked violation
- August 15, 2025State Public Notification received1 linked violation
- August 15, 2025State Compliance achieved1 linked violation
- August 15, 2025State Public Notification requested1 linked violation
- August 15, 2025State Violation/Reminder Notice1 linked violation
- February 4, 2025State Violation/Reminder Notice1 linked violation
- February 4, 2025State Compliance achieved1 linked violation
- August 16, 2023State Compliance achieved2 linked violations
- January 29, 2023State Violation/Reminder Notice23 linked violations
- January 29, 2023State Public Notification requested23 linked violations
- January 29, 2023State Violation/Reminder Notice23 linked violations
- January 29, 2023State Public Notification requested23 linked violations
- January 29, 2023State Violation/Reminder Notice23 linked violations
- January 29, 2023State Public Notification requested23 linked violations
- January 29, 2023State Violation/Reminder Notice23 linked violations
- January 29, 2023State Public Notification requested23 linked violations
- January 29, 2023State Violation/Reminder Notice23 linked violations
- January 29, 2023State Public Notification requested23 linked violations
- January 29, 2023State Public Notification requested23 linked violations
- January 29, 2023State Violation/Reminder Notice23 linked violations
- January 29, 2023State Public Notification requested23 linked violations
- January 29, 2023State Violation/Reminder Notice23 linked violations
- January 29, 2023State Public Notification requested23 linked violations
- January 29, 2023State Violation/Reminder Notice23 linked violations
- January 29, 2023State Public Notification requested23 linked violations
- January 29, 2023State Violation/Reminder Notice23 linked violations
- November 1, 2022State Compliance achieved23 linked violations
- October 20, 2022State Violation/Reminder Notice2 linked violations
- October 20, 2022State Public Notification requested2 linked violations
- October 18, 2022State Public Notification requested23 linked violations
- October 18, 2022State Violation/Reminder Notice23 linked violations
- April 26, 2022State Compliance achieved1 linked violation
- April 26, 2022State Compliance achieved1 linked violation
- April 21, 2022State Violation/Reminder Notice1 linked violation
- April 21, 2022State Public Notification requested1 linked violation
- April 21, 2022State Public Notification requested1 linked violation
- April 21, 2022State Violation/Reminder Notice23 linked violations
- April 21, 2022State Violation/Reminder Notice1 linked violation
- April 21, 2022State Public Notification requested1 linked violation
- April 21, 2022State Violation/Reminder Notice1 linked violation
- April 21, 2022State Public Notification requested23 linked violations
- January 24, 2022State Compliance achieved23 linked violations
- January 24, 2022State Compliance achieved23 linked violations
- January 24, 2022State Compliance achieved23 linked violations
- January 24, 2022State Compliance achieved23 linked violations
- January 24, 2022State Compliance achieved23 linked violations
- January 24, 2022State Compliance achieved23 linked violations
- January 24, 2022State Compliance achieved23 linked violations
- January 24, 2022State Compliance achieved23 linked violations
- January 24, 2022State Compliance achieved23 linked violations
- January 24, 2022State Compliance achieved23 linked violations
- October 20, 2021State Public Notification requested2 linked violations
- October 20, 2021State Violation/Reminder Notice2 linked violations
- October 19, 2021State Compliance achieved2 linked violations
- October 19, 2021State Compliance achieved2 linked violations
- October 19, 2021State Compliance achieved23 linked violations
- October 19, 2021State Compliance achieved2 linked violations
- October 19, 2021State Compliance achieved2 linked violations
- October 19, 2021State Compliance achieved2 linked violations
- October 14, 2021State Violation/Reminder Notice23 linked violations
- October 14, 2021State Public Notification requested23 linked violations
- August 10, 2021State Compliance achieved1 linked violation
- July 27, 2021State Compliance achieved1 linked violation
- July 19, 2021State Violation/Reminder Notice1 linked violation
- October 20, 2020State Violation/Reminder Notice1 linked violation
- October 20, 2020State Public Notification requested1 linked violation
- October 19, 2020State Violation/Reminder Notice2 linked violations
- October 19, 2020State Public Notification requested2 linked violations
- July 21, 2020State Compliance achieved1 linked violation
- July 20, 2020State Violation/Reminder Notice1 linked violation
- October 18, 2019State Public Notification requested2 linked violations
- October 18, 2019State Violation/Reminder Notice2 linked violations
- July 19, 2019State Compliance achieved1 linked violation
- July 17, 2019State Violation/Reminder Notice1 linked violation
- October 18, 2018State Violation/Reminder Notice2 linked violations
- October 18, 2018State Public Notification requested2 linked violations
- October 1, 2018State Compliance achieved1 linked violation
- September 25, 2018State Public Notification requested1 linked violation
- September 25, 2018State Violation/Reminder Notice1 linked violation
- August 28, 2018State Public Notification requested1 linked violation
- August 28, 2018State Violation/Reminder Notice1 linked violation
- July 26, 2018State Compliance achieved1 linked violation
- April 16, 2018State Public Notification requested1 linked violation
- April 16, 2018State Violation/Reminder Notice1 linked violation
- April 3, 2018State Compliance achieved1 linked violation
- March 16, 2018State Public Notification received1 linked violation
- March 16, 2018State Public Notification received1 linked violation
- February 13, 2018State Compliance achieved1 linked violation
- February 6, 2018State Compliance achieved1 linked violation
- January 31, 2018State Violation/Reminder Notice1 linked violation
- January 23, 2018State Public Notification requested1 linked violation
- January 23, 2018State Violation/Reminder Notice1 linked violation
- October 18, 2017State Violation/Reminder Notice2 linked violations
- October 18, 2017State Public Notification requested2 linked violations
- July 24, 2017State Compliance achieved1 linked violation
- July 20, 2017State Violation/Reminder Notice1 linked violation
- January 24, 2017State Public Notification received1 linked violation
- January 19, 2017State Public Notification requested1 linked violation
- January 19, 2017State Violation/Reminder Notice1 linked violation
- January 18, 2017State Compliance achieved1 linked violation
- January 4, 2017State Public Notification requested1 linked violation
- January 4, 2017State Violation/Reminder Notice1 linked violation
- December 27, 2016State Compliance achieved1 linked violation
- July 25, 2016State Compliance achieved1 linked violation
- July 14, 2016State Violation/Reminder Notice1 linked violation
- February 1, 2016State Compliance achieved1 linked violation
- February 1, 2016State Violation/Reminder Notice1 linked violation
- October 9, 2015State Compliance achieved1 linked violation
- July 15, 2015State Violation/Reminder Notice1 linked violation
- June 15, 2015State Public Notification requested1 linked violation
- June 15, 2015State Violation/Reminder Notice1 linked violation
- June 11, 2015State Compliance achieved1 linked violation
- December 29, 2014State Compliance achieved1 linked violation
- December 29, 2014State Compliance achieved1 linked violation
- October 27, 2014State Violation/Reminder Notice1 linked violation
- October 23, 2014State Compliance achieved1 linked violation
- October 23, 2014State Public Notification requested1 linked violation
- October 23, 2014State Violation/Reminder Notice1 linked violation
- July 14, 2014State Violation/Reminder Notice1 linked violation
- July 16, 2013State Compliance achieved1 linked violation
- July 15, 2013State Public Notification requested1 linked violation
- July 15, 2013State Violation/Reminder Notice1 linked violation
- December 24, 2008State Compliance achieved4 linked violations
- August 4, 2008State Public Notification requested1 linked violation
- August 4, 2008State Violation/Reminder Notice1 linked violation
- July 30, 2008State Compliance achieved1 linked violation
- February 14, 2006State Compliance achieved4 linked violations
- February 10, 2006State Public Notification requested13 linked violations
- February 10, 2006State Public Notification requested1 linked violation
- February 10, 2006State Violation/Reminder Notice1 linked violation
- February 10, 2006State Violation/Reminder Notice1 linked violation
Contact
REDDICK, SANDI
406-778-2692
BAKER, MT 59313