BILLINGS, MT · Yellowstone County
DUCK CREEK MOBILE HOME PARK 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)
- MT0001786
- System type
- Community Water System
- Population served
- 70
- Service connections
- 30
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Maximum Contaminant Level Violation, Single Sample
Health-basedNitrate-Nitrite
July 1, 2025 – September 30, 2025
ArchivedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2024 – June 24, 2025
ResolvedMaximum Contaminant Level Violation, Single Sample
Health-basedNitrate-Nitrite
October 1, 2024 – December 31, 2024
ArchivedMaximum Contaminant Level Violation, Single Sample
Health-basedNitrate-Nitrite
July 1, 2024 – September 30, 2024
ArchivedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2024 – September 27, 2024
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
April 1, 2024 – April 30, 2024
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
October 1, 2023 – October 31, 2023
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2022 – July 7, 2022
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
December 1, 2021 – December 31, 2021
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2021 – December 31, 2023
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2021 – December 31, 2023
ResolvedMonitoring, Regular
—Nitrate-Nitrite
January 1, 2020 – March 31, 2020
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
November 1, 2019 – November 30, 2019
ResolvedMonitoring, Regular
—Nitrate-Nitrite
April 1, 2019 – June 30, 2019
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2018 – August 16, 2019
ResolvedMonitoring, Regular
—Nitrate-Nitrite
July 1, 2018 – September 30, 2018
ResolvedMonitoring, Regular
—Nitrate-Nitrite
October 1, 2016 – December 31, 2016
ResolvedLead Consumer Notice
—Lead and Copper Rule
December 30, 2015 – February 1, 2016
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 1, 2013 – January 6, 2014
ResolvedLead Consumer Notice
—Lead and Copper Rule
January 1, 2013 – January 29, 2013
ResolvedMonitoring, Regular
—Nitrate-Nitrite
April 1, 2012 – June 30, 2012
ResolvedMonitoring, Regular
—Nitrate-Nitrite
April 1, 2012 – June 30, 2012
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
December 1, 2011 – December 31, 2011
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2011 – August 11, 2011
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 2011 – December 31, 2011
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
November 1, 2010 – November 30, 2010
ResolvedMonitoring, Regular
—Nitrate-Nitrite
July 1, 2010 – September 30, 2010
ResolvedMonitoring, Regular
—Nitrate-Nitrite
April 1, 2010 – June 30, 2010
ResolvedMonitoring, Regular
—Nitrate-Nitrite
April 1, 2010 – June 30, 2010
ResolvedMonitoring, Regular
—Nitrate-Nitrite
January 1, 2010 – March 19, 2010
ResolvedMonitoring, Regular
—Benzo(a)pyrene
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Benzene
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Toluene
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Styrene
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Benzene
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Toluene
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Styrene
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Barium
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Cadmium
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Chromium
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Fluoride
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Mercury
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Nickel
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Antimony, Total
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Beryllium, Total
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Thallium, Total
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Selenium
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Barium
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Cadmium
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Chromium
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Fluoride
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Mercury
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Nickel
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Antimony, Total
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Thallium, Total
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Selenium
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Endrin
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Toxaphene
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Dalapon
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Picloram
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Dinoseb
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Aldicarb sulfoxide
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Aldicarb sulfone
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Carbofuran
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Aldicarb
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Atrazine
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—LASSO
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Heptachlor
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—2,4-D
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—2,4,5-TP
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Pentachlorophenol
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Chlordane
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Endrin
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Toxaphene
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Dalapon
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—OXAMYL
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Simazine
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Picloram
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Dinoseb
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Aldicarb sulfoxide
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Aldicarb sulfone
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Carbofuran
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Aldicarb
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Atrazine
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—LASSO
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Heptachlor
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Heptachlor epoxide
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—2,4-D
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—2,4,5-TP
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Benzo(a)pyrene
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Pentachlorophenol
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Chlordane
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—Arsenic
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Arsenic
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2008 – December 21, 2010
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
October 1, 2006 – December 31, 2006
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2006 – May 1, 2007
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
May 1, 2006 – May 31, 2006
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
April 1, 2006 – June 30, 2006
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 2006 – March 31, 2006
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
November 1, 2005 – November 30, 2005
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
October 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
July 1, 2005 – September 30, 2005
ResolvedMonitoring, Regular
—Nitrate-Nitrite
January 1, 2005 – December 31, 2005
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
January 1, 2005 – June 25, 2006
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Benzene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Toluene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Styrene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
October 1, 2004 – October 31, 2004
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
January 1, 2004 – February 21, 2006
ResolvedMonitoring, Regular
—Aldicarb sulfoxide
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Aldicarb sulfone
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Carbofuran
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Aldicarb
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Atrazine
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—LASSO
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Heptachlor
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Heptachlor epoxide
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—2,4,5-TP
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2002 – December 31, 2002
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Toxaphene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2002 – December 31, 2002
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2002 – December 31, 2002
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2002 – December 31, 2002
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2002 – December 31, 2002
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2002 – December 31, 2002
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2002 – December 31, 2002
ResolvedMonitoring, Regular
—Picloram
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Aldicarb sulfoxide
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Atrazine
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Picloram
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Aldicarb sulfoxide
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Aldicarb sulfone
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Carbofuran
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Aldicarb
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Atrazine
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—LASSO
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Heptachlor
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Pentachlorophenol
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Chlordane
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Endrin
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Toxaphene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Dalapon
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—OXAMYL
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Simazine
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—OXAMYL
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Dinoseb
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2002 – December 31, 2002
ResolvedMonitoring, Regular
—Styrene
January 1, 2002 – December 31, 2002
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2002 – December 31, 2002
ResolvedMonitoring, Regular
—Toluene
January 1, 2002 – December 31, 2002
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2002 – December 31, 2002
ResolvedMonitoring, Regular
—Tetrachloroethylene
January 1, 2002 – December 31, 2002
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2002 – December 31, 2002
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2002 – December 31, 2002
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2002 – December 31, 2002
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2002 – December 31, 2002
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2002 – December 31, 2002
ResolvedWater Quality Parameter M/R
—Lead and Copper Rule
July 1, 2001 – December 31, 2001
ResolvedWater Quality Parameter M/R
—Lead and Copper Rule
July 1, 2001 – December 31, 2001
ResolvedWater Quality Parameter M/R
—Lead and Copper Rule
July 1, 2001 – December 31, 2001
ResolvedWater Quality Parameter M/R
—Lead and Copper Rule
January 1, 2001 – June 30, 2001
ResolvedWater Quality Parameter M/R
—Lead and Copper Rule
January 1, 2001 – June 30, 2001
ResolvedWater Quality Parameter M/R
—Lead and Copper Rule
July 1, 2000 – December 31, 2000
ResolvedWater Quality Parameter M/R
—Lead and Copper Rule
July 1, 2000 – December 31, 2000
ResolvedWater Quality Parameter M/R
—Lead and Copper Rule
July 1, 2000 – December 31, 2000
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
March 1, 1997 – March 31, 1997
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Aldicarb
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Heptachlor epoxide
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
January 1, 1996 – December 31, 1998
ResolvedMonitoring, Regular
—Chlordane
January 1, 1996 – December 31, 1998
Resolved
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2025 – September 30, 2025 | Maximum Contaminant Level Violation, Single Sample | Nitrate-Nitrite | Health-based | Archived |
| October 1, 2024 – June 24, 2025 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| October 1, 2024 – December 31, 2024 | Maximum Contaminant Level Violation, Single Sample | Nitrate-Nitrite | Health-based | Archived |
| July 1, 2024 – September 30, 2024 | Maximum Contaminant Level Violation, Single Sample | Nitrate-Nitrite | Health-based | Archived |
| July 1, 2024 – September 27, 2024 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| April 1, 2024 – April 30, 2024 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| October 1, 2023 – October 31, 2023 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| July 1, 2022 – July 7, 2022 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| December 1, 2021 – December 31, 2021 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| January 1, 2021 – December 31, 2023 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2021 – December 31, 2023 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2020 – March 31, 2020 | Monitoring, Regular | Nitrate-Nitrite | — | Resolved |
| November 1, 2019 – November 30, 2019 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| April 1, 2019 – June 30, 2019 | Monitoring, Regular | Nitrate-Nitrite | — | Resolved |
| October 1, 2018 – August 16, 2019 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| July 1, 2018 – September 30, 2018 | Monitoring, Regular | Nitrate-Nitrite | — | Resolved |
| October 1, 2016 – December 31, 2016 | Monitoring, Regular | Nitrate-Nitrite | — | Resolved |
| December 30, 2015 – February 1, 2016 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
| October 1, 2013 – January 6, 2014 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| January 1, 2013 – January 29, 2013 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
| April 1, 2012 – June 30, 2012 | Monitoring, Regular | Nitrate-Nitrite | — | Resolved |
| April 1, 2012 – June 30, 2012 | Monitoring, Regular | Nitrate-Nitrite | — | Resolved |
| December 1, 2011 – December 31, 2011 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 2011 – August 11, 2011 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2011 – December 31, 2011 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| November 1, 2010 – November 30, 2010 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 2010 – September 30, 2010 | Monitoring, Regular | Nitrate-Nitrite | — | Resolved |
| April 1, 2010 – June 30, 2010 | Monitoring, Regular | Nitrate-Nitrite | — | Resolved |
| April 1, 2010 – June 30, 2010 | Monitoring, Regular | Nitrate-Nitrite | — | Resolved |
| January 1, 2010 – March 19, 2010 | Monitoring, Regular | Nitrate-Nitrite | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Barium | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Cadmium | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Chromium | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Fluoride | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Mercury | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Nickel | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Antimony, Total | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Beryllium, Total | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Thallium, Total | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Selenium | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Barium | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Cadmium | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Chromium | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Fluoride | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Mercury | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Nickel | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Antimony, Total | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Thallium, Total | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Selenium | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Endrin | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Methoxychlor | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Toxaphene | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Dalapon | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Picloram | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Dinoseb | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Aldicarb sulfoxide | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Aldicarb sulfone | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Carbofuran | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Aldicarb | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | LASSO | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Heptachlor | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | 2,4-D | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Chlordane | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Endrin | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Methoxychlor | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Toxaphene | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Dalapon | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | OXAMYL | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Simazine | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Picloram | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Dinoseb | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Aldicarb sulfoxide | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Aldicarb sulfone | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Carbofuran | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Aldicarb | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | LASSO | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Heptachlor | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | 2,4-D | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Chlordane | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Arsenic | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Arsenic | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2008 – December 21, 2010 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| July 1, 2006 – May 1, 2007 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| May 1, 2006 – May 31, 2006 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| April 1, 2006 – June 30, 2006 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| January 1, 2006 – March 31, 2006 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| November 1, 2005 – November 30, 2005 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| October 1, 2005 – December 31, 2005 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| July 1, 2005 – September 30, 2005 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Nitrate-Nitrite | — | Resolved |
| January 1, 2005 – June 25, 2006 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| October 1, 2004 – October 31, 2004 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2004 – February 21, 2006 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Aldicarb sulfoxide | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Aldicarb sulfone | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Carbofuran | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Aldicarb | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | LASSO | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Heptachlor | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| January 1, 2002 – December 31, 2002 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Toxaphene | — | Resolved |
| January 1, 2002 – December 31, 2002 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2002 – December 31, 2002 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2002 – December 31, 2002 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2002 – December 31, 2002 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2002 – December 31, 2002 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2002 – December 31, 2002 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Picloram | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Aldicarb sulfoxide | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Picloram | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Aldicarb sulfoxide | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Aldicarb sulfone | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Carbofuran | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Aldicarb | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | LASSO | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Heptachlor | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Chlordane | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Endrin | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Methoxychlor | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Toxaphene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Dalapon | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | OXAMYL | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Simazine | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | OXAMYL | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Dinoseb | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 2002 – December 31, 2002 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2002 – December 31, 2002 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2002 – December 31, 2002 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2002 – December 31, 2002 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2002 – December 31, 2002 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2002 – December 31, 2002 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| January 1, 2002 – December 31, 2002 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2002 – December 31, 2002 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2002 – December 31, 2002 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2002 – December 31, 2002 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2002 – December 31, 2002 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| July 1, 2001 – December 31, 2001 | Water Quality Parameter M/R | Lead and Copper Rule | — | Resolved |
| July 1, 2001 – December 31, 2001 | Water Quality Parameter M/R | Lead and Copper Rule | — | Resolved |
| July 1, 2001 – December 31, 2001 | Water Quality Parameter M/R | Lead and Copper Rule | — | Resolved |
| January 1, 2001 – June 30, 2001 | Water Quality Parameter M/R | Lead and Copper Rule | — | Resolved |
| January 1, 2001 – June 30, 2001 | Water Quality Parameter M/R | Lead and Copper Rule | — | Resolved |
| July 1, 2000 – December 31, 2000 | Water Quality Parameter M/R | Lead and Copper Rule | — | Resolved |
| July 1, 2000 – December 31, 2000 | Water Quality Parameter M/R | Lead and Copper Rule | — | Resolved |
| July 1, 2000 – December 31, 2000 | Water Quality Parameter M/R | Lead and Copper Rule | — | Resolved |
| March 1, 1997 – March 31, 1997 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Methoxychlor | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Aldicarb | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Resolved |
| January 1, 1996 – December 31, 1998 | Monitoring, Regular | Chlordane | — | Resolved |
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
Enforcement actions
- September 25, 2025State Public Notification received1 linked violation
- September 23, 2025State Public Notification requested1 linked violation
- September 23, 2025State Violation/Reminder Notice1 linked violation
- June 24, 2025State Compliance achieved1 linked violation
- January 7, 2025State Other1 linked violation
- January 6, 2025State Other3 linked violations
- November 7, 2024State Public Notification requested1 linked violation
- November 7, 2024State Violation/Reminder Notice1 linked violation
- November 4, 2024State Public Notification received1 linked violation
- November 4, 2024State Public Notification received2 linked violations
- October 28, 2024State Violation/Reminder Notice1 linked violation
- October 28, 2024State Public Notification requested1 linked violation
- October 28, 2024State Violation/Reminder Notice1 linked violation
- October 28, 2024State Public Notification requested1 linked violation
- September 27, 2024State Compliance achieved1 linked violation
- August 13, 2024State Compliance achieved2 linked violations
- July 23, 2024State Violation/Reminder Notice1 linked violation
- May 20, 2024State Public Notification requested1 linked violation
- May 20, 2024State Violation/Reminder Notice1 linked violation
- May 16, 2024State Compliance achieved1 linked violation
- November 24, 2023State Public Notification requested1 linked violation
- November 24, 2023State Violation/Reminder Notice1 linked violation
- November 6, 2023State Compliance achieved1 linked violation
- October 18, 2023State Public Notification requested2 linked violations
- October 18, 2023State Violation/Reminder Notice2 linked violations
- September 29, 2023State Compliance achieved1 linked violation
- July 11, 2023State Violation/Reminder Notice1 linked violation
- July 11, 2022State Violation/Reminder Notice1 linked violation
- July 7, 2022State Compliance achieved1 linked violation
- February 3, 2022State Public Notification requested1 linked violation
- February 3, 2022State Violation/Reminder Notice1 linked violation
- January 20, 2022State Compliance achieved1 linked violation
- April 23, 2020State Public Notification received1 linked violation
- April 21, 2020State Compliance achieved1 linked violation
- April 15, 2020State Violation/Reminder Notice1 linked violation
- April 15, 2020State Public Notification requested1 linked violation
- January 29, 2020State Compliance achieved1 linked violation
- December 16, 2019State Violation/Reminder Notice1 linked violation
- December 16, 2019State Public Notification requested1 linked violation
- August 16, 2019State Compliance achieved1 linked violation
- July 30, 2019State Compliance achieved1 linked violation
- July 16, 2019State Violation/Reminder Notice1 linked violation
- July 16, 2019State Public Notification requested2 linked violations
- October 26, 2018State Compliance achieved2 linked violations
- October 23, 2018State Public Notification requested1 linked violation
- October 23, 2018State Violation/Reminder Notice1 linked violation
- October 15, 2018State Violation/Reminder Notice1 linked violation
- October 15, 2018State Public Notification requested1 linked violation
- January 25, 2017State Compliance achieved1 linked violation
- January 17, 2017State Public Notification requested2 linked violations
- January 17, 2017State Violation/Reminder Notice1 linked violation
- February 1, 2016State Violation/Reminder Notice1 linked violation
- February 1, 2016State Compliance achieved1 linked violation
- January 6, 2014State Compliance achieved1 linked violation
- December 20, 2013State Violation/Reminder Notice1 linked violation
- January 29, 2013State Compliance achieved1 linked violation
- January 14, 2013State Violation/Reminder Notice1 linked violation
- July 30, 2012State Compliance achieved2 linked violations
- July 16, 2012State Violation/Reminder Notice1 linked violation
- July 16, 2012State Public Notification requested1 linked violation
- July 16, 2012State Violation/Reminder Notice1 linked violation
- July 16, 2012State Public Notification requested1 linked violation
- July 16, 2012State Violation/Reminder Notice1 linked violation
- July 16, 2012State Public Notification requested1 linked violation
- July 16, 2012State Violation/Reminder Notice1 linked violation
- July 16, 2012State Public Notification requested1 linked violation
- April 16, 2012State Compliance achieved1 linked violation
- January 31, 2012State Violation/Reminder Notice1 linked violation
- January 31, 2012State Public Notification requested1 linked violation
- January 30, 2012State Compliance achieved1 linked violation
- January 27, 2012State Violation/Reminder Notice1 linked violation
- January 27, 2012State Public Notification requested1 linked violation
- August 11, 2011State Compliance achieved1 linked violation
- August 1, 2011State Public Notification requested1 linked violation
- August 1, 2011State Violation/Reminder Notice1 linked violation
- February 1, 2011State Violation/Reminder Notice26 linked violations
- February 1, 2011State Violation/Reminder Notice26 linked violations
- February 1, 2011State Public Notification requested26 linked violations
- February 1, 2011State Public Notification requested26 linked violations
- January 31, 2011State Violation/Reminder Notice21 linked violations
- January 31, 2011State Violation/Reminder Notice1 linked violation
- January 31, 2011State Public Notification requested1 linked violation
- January 31, 2011State Violation/Reminder Notice1 linked violation
- January 31, 2011State Public Notification requested1 linked violation
- January 31, 2011State Public Notification requested21 linked violations
- January 31, 2011State Violation/Reminder Notice21 linked violations
- January 31, 2011State Public Notification requested21 linked violations
- January 31, 2011State Violation/Reminder Notice10 linked violations
- January 31, 2011State Public Notification requested10 linked violations
- January 31, 2011State Violation/Reminder Notice10 linked violations
- January 31, 2011State Public Notification requested10 linked violations
- December 21, 2010State Compliance achieved116 linked violations
- December 20, 2010State Compliance achieved1 linked violation
- December 16, 2010State Public Notification requested1 linked violation
- December 16, 2010State Violation/Reminder Notice1 linked violation
- December 3, 2010State Compliance achieved1 linked violation
- October 29, 2010State Compliance achieved1 linked violation
- October 19, 2010State Violation/Reminder Notice1 linked violation
- October 19, 2010State Public Notification requested1 linked violation
- October 19, 2010State Violation/Reminder Notice1 linked violation
- October 19, 2010State Public Notification requested1 linked violation
- September 27, 2010State Compliance achieved1 linked violation
- August 10, 2010State Violation/Reminder Notice1 linked violation
- August 10, 2010State Public Notification requested1 linked violation
- August 10, 2010State Violation/Reminder Notice1 linked violation
- August 10, 2010State Violation/Reminder Notice1 linked violation
- August 10, 2010State Public Notification requested1 linked violation
- August 9, 2010State Public Notification requested1 linked violation
- August 9, 2010State Violation/Reminder Notice1 linked violation
- July 22, 2010State Public Notification requested1 linked violation
- July 22, 2010State Violation/Reminder Notice1 linked violation
- June 30, 2010State Compliance achieved1 linked violation
- May 13, 2010State Public Notification requested1 linked violation
- May 13, 2010State Violation/Reminder Notice1 linked violation
- March 19, 2010State Compliance achieved1 linked violation
- June 11, 2009State Public Notification received1 linked violation
- May 15, 2009State Compliance achieved1 linked violation
- April 17, 2009State Compliance achieved19 linked violations
- April 3, 2009State Compliance achieved1 linked violation
- February 9, 2009State Public Notification requested1 linked violation
- February 9, 2009State Violation/Reminder Notice1 linked violation
- December 31, 2008State Compliance achieved6 linked violations
- July 17, 2007State Compliance achieved1 linked violation
- July 13, 2007State Violation/Reminder Notice2 linked violations
- July 13, 2007State Public Notification requested2 linked violations
- May 5, 2007State Compliance achieved3 linked violations
- May 1, 2007State Compliance achieved1 linked violation
- February 5, 2007State Violation/Reminder Notice1 linked violation
- January 30, 2007State Public Notification received2 linked violations
- January 14, 2007State Violation/Reminder Notice2 linked violations
- August 30, 2006State Compliance achieved21 linked violations
- August 30, 2006State Compliance achieved5 linked violations
- July 28, 2006State Public Notification received24 linked violations
- July 18, 2006State Violation/Reminder Notice1 linked violation
- July 18, 2006State Violation/Reminder Notice2 linked violations
- June 20, 2006State Public Notification received2 linked violations
- June 5, 2006State Violation/Reminder Notice2 linked violations
- June 5, 2006State Violation/Reminder Notice2 linked violations
- June 5, 2006State Public Notification requested2 linked violations
- March 1, 2006State Other24 linked violations
- February 10, 2006State Violation/Reminder Notice2 linked violations
- February 10, 2006State Violation/Reminder Notice1 linked violation
- February 10, 2006State Public Notification requested33 linked violations
- February 10, 2006State Violation/Reminder Notice22 linked violations
- February 10, 2006State Public Notification requested2 linked violations
- February 10, 2006State Public Notification requested1 linked violation
- December 26, 2005State Public Notification requested1 linked violation
- December 26, 2005State Violation/Reminder Notice1 linked violation
- October 7, 2005State Compliance achieved78 linked violations
- July 1, 2005State Public Notification received27 linked violations
- July 1, 2005State Public Notification received27 linked violations
- July 1, 2005State Public Notification received27 linked violations
- April 14, 2005State Public Notification requested27 linked violations
- April 14, 2005State Public Notification requested27 linked violations
- April 14, 2005State Public Notification requested27 linked violations
- April 14, 2005State Violation/Reminder Notice26 linked violations
- January 14, 2005State Public Notification received1 linked violation
- January 4, 2005State Public Notification requested2 linked violations
- January 3, 2005State Violation/Reminder Notice6 linked violations
- December 30, 2004State Violation/Reminder Notice1 linked violation
- April 23, 2003State Violation/Reminder Notice23 linked violations
- April 23, 2003State Public Notification requested22 linked violations
- December 31, 2001State Compliance achieved15 linked violations
- December 31, 2000State Violation/Reminder Notice1 linked violation
- December 31, 2000State Compliance achieved1 linked violation
- December 31, 2000State Violation/Reminder Notice1 linked violation
- October 19, 1998State Compliance achieved2 linked violations
- May 24, 1996State Violation/Reminder Notice1 linked violation
Contact
BENTSON, MARK
406-325-6227
BILLINGS, MT 59106