DODSON, MT · Phillips County
DODSON TOWN OF Water System
Current status
2 items on record are open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.
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)
- MT0000203
- System type
- Community Water System
- Population served
- 120
- Service connections
- 55
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Monitoring, Routine (RTCR)
—Revised Total Coliform Rule
January 1, 2026 – January 31, 2026
ArchivedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
December 1, 2025 – December 31, 2025
ArchivedMonitoring, Source Water (GWR)
—E. COLI
November 4, 2025
UnaddressedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
November 1, 2025 – November 30, 2025
ArchivedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
August 1, 2025 – August 31, 2025
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2025 – July 17, 2025
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
May 1, 2025 – May 31, 2025
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
February 1, 2025 – February 28, 2025
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2024
UnaddressedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
October 1, 2024 – October 31, 2024
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 1, 2024 – October 1, 2024
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2024 – July 23, 2024
ResolvedMonitoring, Regular
—Nitrate-Nitrite
January 1, 2024 – December 31, 2024
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
November 1, 2023 – November 30, 2023
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 1, 2023 – October 13, 2023
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
April 1, 2023 – April 30, 2023
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 1, 2022 – November 1, 2022
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2022 – October 23, 2022
ResolvedMonitoring, Regular
—Nitrate-Nitrite
January 1, 2022 – December 31, 2022
ResolvedLead Consumer Notice
—Lead and Copper Rule
December 30, 2021 – November 14, 2025
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 1, 2021 – November 1, 2022
ResolvedFailure To Address Deficiency
Health-basedGroundwater Rule
June 2, 2021 – January 27, 2022
ResolvedMonitoring, Regular
—Pentachlorophenol
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Nitrate-Nitrite
January 1, 2020 – December 31, 2020
ResolvedMonitoring, Regular
—Dalapon
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—OXAMYL
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Simazine
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Picloram
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Dinoseb
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Carbofuran
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Atrazine
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—LASSO
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Heptachlor
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Heptachlor epoxide
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—2,4-D
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—2,4,5-TP
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Benzo(a)pyrene
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Chlordane
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—CYANIDE
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Diquat
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Endothall
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Glyphosate
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Nickel
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Antimony, Total
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Beryllium, Total
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Thallium, Total
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Benzene
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Toluene
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Styrene
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Endrin
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Regular
—Toxaphene
January 1, 2020 – December 31, 2022
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
November 1, 2019 – November 30, 2019
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2019 – July 30, 2019
ResolvedMonitoring, Source Water (GWR)
—E. COLI
November 2, 2018 – November 13, 2018
ResolvedMaximum Contaminant Level Violation, E. coli (RTCR)
Health-basedRevised Total Coliform Rule
October 1, 2018 – October 31, 2018
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2018 – July 23, 2018
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2017 – August 30, 2018
ResolvedMonitoring, Regular
—Nitrate-Nitrite
January 1, 2017 – December 31, 2017
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
September 1, 2015 – September 30, 2015
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2015 – August 13, 2015
ResolvedMonitoring, Regular
—Nitrate-Nitrite
January 1, 2015 – December 31, 2015
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2013 – September 23, 2014
ResolvedMonitoring, Source Water (GWR)
—E. COLI
July 1, 2013 – September 16, 2013
ResolvedMonitoring, Regular
—Asbestos
January 1, 2011 – November 17, 2004
ResolvedMonitoring, Regular
—Nitrate-Nitrite
January 1, 2011 – December 31, 2011
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 1, 2010 – November 1, 2010
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2010 – November 1, 2010
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2008 – August 13, 2008
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2007 – July 8, 2008
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
September 1, 2006 – September 30, 2006
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
August 1, 2006 – August 31, 2006
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
July 1, 2006 – July 31, 2006
ResolvedMonitoring, Regular
—Nitrate
January 1, 1999 – December 31, 1999
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
August 1, 1998 – August 31, 1998
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
April 1, 1995 – April 30, 1995
Resolved
Archived closed in EPA's records (typically due to age or a data correction)Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2026 – January 31, 2026 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Archived |
| December 1, 2025 – December 31, 2025 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Archived |
| November 4, 2025 | Monitoring, Source Water (GWR) | E. COLI | — | Unaddressed |
| November 1, 2025 – November 30, 2025 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Archived |
| August 1, 2025 – August 31, 2025 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| July 1, 2025 – July 17, 2025 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| May 1, 2025 – May 31, 2025 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| February 1, 2025 – February 28, 2025 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| October 1, 2024 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Unaddressed |
| October 1, 2024 – October 31, 2024 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| October 1, 2024 – October 1, 2024 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| July 1, 2024 – July 23, 2024 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | Nitrate-Nitrite | — | Resolved |
| November 1, 2023 – November 30, 2023 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| October 1, 2023 – October 13, 2023 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| April 1, 2023 – April 30, 2023 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| October 1, 2022 – November 1, 2022 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| July 1, 2022 – October 23, 2022 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2022 – December 31, 2022 | Monitoring, Regular | Nitrate-Nitrite | — | Resolved |
| December 30, 2021 – November 14, 2025 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
| October 1, 2021 – November 1, 2022 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| June 2, 2021 – January 27, 2022 | Failure To Address Deficiency | Groundwater Rule | Health-based | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| January 1, 2020 – December 31, 2020 | Monitoring, Regular | Nitrate-Nitrite | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Dalapon | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | OXAMYL | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Simazine | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Picloram | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Dinoseb | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Carbofuran | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | LASSO | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Heptachlor | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | 2,4-D | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Chlordane | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | CYANIDE | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Diquat | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Endothall | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Glyphosate | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | 1,2-DIBROMO-3-CHLOROPROPANE | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Nickel | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Antimony, Total | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Beryllium, Total | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Thallium, Total | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Endrin | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Methoxychlor | — | Resolved |
| January 1, 2020 – December 31, 2022 | Monitoring, Regular | Toxaphene | — | Resolved |
| November 1, 2019 – November 30, 2019 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| July 1, 2019 – July 30, 2019 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| November 2, 2018 – November 13, 2018 | Monitoring, Source Water (GWR) | E. COLI | — | Resolved |
| October 1, 2018 – October 31, 2018 | Maximum Contaminant Level Violation, E. coli (RTCR) | Revised Total Coliform Rule | Health-based | Resolved |
| July 1, 2018 – July 23, 2018 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| October 1, 2017 – August 30, 2018 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| January 1, 2017 – December 31, 2017 | Monitoring, Regular | Nitrate-Nitrite | — | Resolved |
| September 1, 2015 – September 30, 2015 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 2015 – August 13, 2015 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2015 – December 31, 2015 | Monitoring, Regular | Nitrate-Nitrite | — | Resolved |
| October 1, 2013 – September 23, 2014 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| July 1, 2013 – September 16, 2013 | Monitoring, Source Water (GWR) | E. COLI | — | Resolved |
| January 1, 2011 – November 17, 2004 | Monitoring, Regular | Asbestos | — | Resolved |
| January 1, 2011 – December 31, 2011 | Monitoring, Regular | Nitrate-Nitrite | — | Resolved |
| October 1, 2010 – November 1, 2010 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| July 1, 2010 – November 1, 2010 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2008 – August 13, 2008 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| October 1, 2007 – July 8, 2008 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| September 1, 2006 – September 30, 2006 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| August 1, 2006 – August 31, 2006 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| July 1, 2006 – July 31, 2006 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| January 1, 1999 – December 31, 1999 | Monitoring, Regular | Nitrate | — | Resolved |
| August 1, 1998 – August 31, 1998 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| April 1, 1995 – April 30, 1995 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
Archived closed in EPA's records (typically due to age or a data correction)Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
Enforcement actions
- February 18, 2026State Public Notification requested1 linked violation
- February 18, 2026State Violation/Reminder Notice1 linked violation
- January 22, 2026State Public Notification requested1 linked violation
- January 22, 2026State Violation/Reminder Notice1 linked violation
- January 7, 2026State Violation/Reminder Notice1 linked violation
- January 7, 2026State Public Notification requested1 linked violation
- December 16, 2025State Public Notification requested1 linked violation
- December 16, 2025State Violation/Reminder Notice1 linked violation
- November 14, 2025State Compliance achieved1 linked violation
- November 13, 2025State Public Notification requested1 linked violation
- November 13, 2025State Violation/Reminder Notice1 linked violation
- November 12, 2025State Compliance achieved1 linked violation
- November 12, 2025State Compliance achieved1 linked violation
- November 12, 2025State Compliance achieved1 linked violation
- November 12, 2025State Compliance achieved1 linked violation
- November 12, 2025State Compliance achieved1 linked violation
- November 12, 2025State Compliance achieved1 linked violation
- October 29, 2025State Public Notification requested1 linked violation
- October 29, 2025State Compliance achieved1 linked violation
- October 29, 2025State Violation/Reminder Notice1 linked violation
- September 24, 2025State Violation/Reminder Notice1 linked violation
- September 24, 2025State Public Notification requested1 linked violation
- September 24, 2025State Compliance achieved1 linked violation
- July 17, 2025State Compliance achieved1 linked violation
- July 17, 2025State Violation/Reminder Notice1 linked violation
- June 19, 2025State Violation/Reminder Notice1 linked violation
- June 19, 2025State Public Notification requested1 linked violation
- June 16, 2025State Compliance achieved1 linked violation
- March 17, 2025State Violation/Reminder Notice1 linked violation
- March 17, 2025State Public Notification requested1 linked violation
- March 17, 2025State Compliance achieved1 linked violation
- January 16, 2025State Public Notification requested1 linked violation
- January 16, 2025State Violation/Reminder Notice1 linked violation
- November 14, 2024State Violation/Reminder Notice1 linked violation
- November 14, 2024State Public Notification requested1 linked violation
- November 12, 2024State Compliance achieved1 linked violation
- November 7, 2024State Public Notification requested1 linked violation
- November 7, 2024State Violation/Reminder Notice1 linked violation
- October 1, 2024State Violation/Reminder Notice1 linked violation
- October 1, 2024State Compliance achieved1 linked violation
- July 23, 2024State Compliance achieved1 linked violation
- July 23, 2024State Violation/Reminder Notice1 linked violation
- December 18, 2023State Compliance achieved21 linked violations
- December 18, 2023State Compliance achieved21 linked violations
- December 18, 2023State Compliance achieved4 linked violations
- December 18, 2023State Violation/Reminder Notice1 linked violation
- December 18, 2023State Compliance achieved21 linked violations
- December 18, 2023State Public Notification requested1 linked violation
- December 18, 2023State Compliance achieved21 linked violations
- December 18, 2023State Compliance achieved1 linked violation
- December 18, 2023State Compliance achieved24 linked violations
- December 18, 2023State Compliance achieved22 linked violations
- October 13, 2023State Compliance achieved1 linked violation
- October 13, 2023State Violation/Reminder Notice1 linked violation
- July 20, 2023State Compliance achieved23 linked violations
- July 20, 2023State Compliance achieved7 linked violations
- July 20, 2023State Compliance achieved23 linked violations
- July 11, 2023State Violation/Reminder Notice1 linked violation
- July 11, 2023State Compliance achieved1 linked violation
- June 21, 2023State Public Notification requested23 linked violations
- June 21, 2023State Public Notification requested7 linked violations
- June 21, 2023State Violation/Reminder Notice7 linked violations
- June 21, 2023State Public Notification requested23 linked violations
- June 21, 2023State Violation/Reminder Notice23 linked violations
- June 21, 2023State Violation/Reminder Notice23 linked violations
- May 24, 2023State Public Notification requested1 linked violation
- May 24, 2023State Violation/Reminder Notice1 linked violation
- May 17, 2023State Compliance achieved1 linked violation
- January 31, 2023State Compliance achieved1 linked violation
- January 29, 2023State Public Notification requested21 linked violations
- January 29, 2023State Violation/Reminder Notice21 linked violations
- January 29, 2023State Public Notification requested21 linked violations
- January 29, 2023State Violation/Reminder Notice1 linked violation
- January 29, 2023State Public Notification requested1 linked violation
- January 29, 2023State Violation/Reminder Notice21 linked violations
- January 29, 2023State Public Notification requested21 linked violations
- January 29, 2023State Violation/Reminder Notice2 linked violations
- January 29, 2023State Public Notification requested1 linked violation
- January 29, 2023State Violation/Reminder Notice21 linked violations
- January 29, 2023State Public Notification requested21 linked violations
- January 29, 2023State Public Notification requested4 linked violations
- January 29, 2023State Violation/Reminder Notice25 linked violations
- January 29, 2023State Public Notification requested22 linked violations
- January 29, 2023State Violation/Reminder Notice4 linked violations
- January 29, 2023State Public Notification requested2 linked violations
- January 29, 2023State Violation/Reminder Notice1 linked violation
- January 29, 2023State Public Notification requested1 linked violation
- January 29, 2023State Violation/Reminder Notice21 linked violations
- January 29, 2023State Violation/Reminder Notice1 linked violation
- January 29, 2023State Public Notification requested1 linked violation
- January 29, 2023State Violation/Reminder Notice21 linked violations
- January 29, 2023State Public Notification requested21 linked violations
- January 29, 2023State Violation/Reminder Notice1 linked violation
- January 29, 2023State Public Notification requested1 linked violation
- January 25, 2023State Public Notification requested4 linked violations
- January 25, 2023State Violation/Reminder Notice4 linked violations
- January 18, 2023State Public Notification requested1 linked violation
- January 18, 2023State Violation/Reminder Notice1 linked violation
- November 1, 2022State Compliance achieved1 linked violation
- November 1, 2022State Compliance achieved1 linked violation
- October 23, 2022State Compliance achieved1 linked violation
- October 3, 2022State Violation/Reminder Notice1 linked violation
- July 11, 2022State Violation/Reminder Notice1 linked violation
- January 27, 2022State Compliance achieved1 linked violation
- January 4, 2022State Violation/Reminder Notice1 linked violation
- November 8, 2021State Violation/Reminder Notice1 linked violation
- November 8, 2021State Public Notification requested1 linked violation
- November 8, 2021State Violation/Reminder Notice1 linked violation
- October 15, 2021State Violation/Reminder Notice1 linked violation
- March 30, 2021State Compliance achieved1 linked violation
- January 22, 2021State Violation/Reminder Notice1 linked violation
- January 22, 2021State Public Notification requested1 linked violation
- January 30, 2020State Compliance achieved1 linked violation
- December 23, 2019State Public Notification received1 linked violation
- December 16, 2019State Public Notification requested1 linked violation
- December 16, 2019State Violation/Reminder Notice1 linked violation
- July 30, 2019State Compliance achieved1 linked violation
- July 17, 2019State Violation/Reminder Notice1 linked violation
- November 30, 2018State Compliance achieved1 linked violation
- November 30, 2018State Public Notification received1 linked violation
- November 21, 2018State Public Notification requested1 linked violation
- November 21, 2018State Violation/Reminder Notice1 linked violation
- November 13, 2018State Compliance achieved1 linked violation
- November 9, 2018State Public Notification requested1 linked violation
- November 9, 2018State Violation/Reminder Notice1 linked violation
- August 30, 2018State Compliance achieved1 linked violation
- July 23, 2018State Compliance achieved1 linked violation
- July 17, 2018State Violation/Reminder Notice1 linked violation
- February 13, 2018State Compliance achieved1 linked violation
- January 23, 2018State Public Notification requested1 linked violation
- January 23, 2018State Violation/Reminder Notice1 linked violation
- October 23, 2017State Violation/Reminder Notice1 linked violation
- October 23, 2017State Public Notification requested1 linked violation
- February 2, 2016State Public Notification received1 linked violation
- January 19, 2016State Compliance achieved1 linked violation
- January 15, 2016State Violation/Reminder Notice1 linked violation
- January 15, 2016State Public Notification requested1 linked violation
- October 28, 2015State Compliance achieved1 linked violation
- October 19, 2015State Violation/Reminder Notice1 linked violation
- October 19, 2015State Public Notification requested1 linked violation
- August 13, 2015State Compliance achieved1 linked violation
- July 15, 2015State Violation/Reminder Notice1 linked violation
- September 23, 2014State Compliance achieved1 linked violation
- January 24, 2014State Public Notification requested1 linked violation
- January 24, 2014State Violation/Reminder Notice1 linked violation
- October 23, 2013State Violation/Reminder Notice1 linked violation
- October 23, 2013State Public Notification requested1 linked violation
- October 9, 2013State Public Notification received1 linked violation
- September 16, 2013State Compliance achieved1 linked violation
- August 16, 2013State Violation/Reminder Notice1 linked violation
- August 16, 2013State Public Notification requested1 linked violation
- March 9, 2012State Public Notification received1 linked violation
- February 14, 2012State Public Notification requested1 linked violation
- February 14, 2012State Violation/Reminder Notice1 linked violation
- January 17, 2012State Compliance achieved1 linked violation
- November 1, 2010State Compliance achieved2 linked violations
- October 23, 2010State Public Notification requested1 linked violation
- October 23, 2010State Violation/Reminder Notice1 linked violation
- August 7, 2010State Violation/Reminder Notice1 linked violation
- December 31, 2008State Compliance achieved13 linked violations
- August 13, 2008State Violation/Reminder Notice1 linked violation
- August 13, 2008State Compliance achieved2 linked violations
- January 19, 2008State Public Notification requested3 linked violations
- October 20, 2006State Violation/Reminder Notice2 linked violations
- September 26, 2006State Violation/Reminder Notice1 linked violation
- September 26, 2006State Violation/Reminder Notice2 linked violations
- September 26, 2006State Public Notification requested2 linked violations
- November 17, 2004State Compliance achieved1 linked violation
- June 25, 2002State Compliance achieved1 linked violation
- November 15, 2001State Violation/Reminder Notice1 linked violation
- November 15, 2001State Boil Water Order2 linked violations
- November 15, 2001State Public Notification requested1 linked violation
- November 14, 2001State Compliance achieved2 linked violations
Contact
COLE, FRANK
406-383-4497
DODSON, MT 59524