SHELBY, MT · Toole County

DEVON WATER INC 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): MT0000200
System type: Community Water System
Population served: 75
Service connections: 24
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2025
Unaddressed
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2024
Unaddressed
Lead Consumer Notice
—
Lead and Copper Rule
October 1, 2023 – February 2, 2024
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2023 – July 31, 2023
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
July 1, 2022 – July 25, 2022
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2022 – September 28, 2022
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
April 1, 2022 – April 4, 2022
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
July 1, 2021 – July 12, 2021
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
December 30, 2020 – January 20, 2021
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2020 – September 30, 2020
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2020 – September 30, 2020
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2020 – August 19, 2020
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2019 – June 30, 2019
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2019 – June 30, 2019
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2019 – December 31, 2019
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2019 – December 31, 2019
Archived
Monitoring, Regular
—
Ethylbenzene
January 1, 2019 – December 31, 2019
Archived
Monitoring, Regular
—
Toluene
January 1, 2019 – December 31, 2019
Archived
Monitoring, Regular
—
Benzene
January 1, 2019 – December 31, 2019
Archived
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2019 – December 31, 2019
Archived
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2019 – December 31, 2019
Archived
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2019 – December 31, 2019
Archived
Monitoring, Regular
—
Trichloroethylene
January 1, 2019 – December 31, 2019
Archived
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2019 – December 31, 2019
Archived
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2019 – December 31, 2019
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2019 – December 31, 2019
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2019 – December 31, 2019
Archived
Monitoring, Regular
—
Vinyl chloride
January 1, 2019 – December 31, 2019
Archived
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2019 – December 31, 2019
Archived
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2019 – December 31, 2019
Archived
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2017 – December 31, 2017
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Styrene
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Toluene
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Benzene
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2017 – December 31, 2017
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 2015 – December 31, 2015
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2015 – July 24, 2015
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2015 – December 31, 2015
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2015 – December 31, 2015
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Nickel
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Styrene
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Toluene
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Benzene
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2014 – December 31, 2014
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2014 – December 31, 2014
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
January 1, 2014 – February 7, 2014
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2014 – December 31, 2014
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2013 – July 25, 2013
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2012 – July 17, 2012
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Nickel
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Styrene
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Toluene
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Benzene
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2012 – December 31, 2012
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2012 – March 31, 2012
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
January 1, 2012 – March 31, 2012
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2012 – December 31, 2012
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2011 – December 31, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2011 – December 31, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2011 – September 30, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2011 – September 30, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2011 – June 30, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2011 – June 30, 2011
Resolved
Monitoring, Regular
—
Aldicarb
January 1, 2011 – December 31, 2013
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2011 – March 31, 2011
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Simazine
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Picloram
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Aldicarb sulfone
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
LASSO
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
2,4-D
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2011 – December 31, 2013
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2011 – December 31, 2013
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2010 – July 24, 2013
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2010 – July 23, 2010
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
January 1, 2010 – March 3, 2011
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2009 – April 27, 2009
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2009 – April 27, 2009
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2009 – April 27, 2009
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2009 – April 27, 2009
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2009 – April 27, 2009
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2009 – April 27, 2009
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2009 – April 27, 2009
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2009 – April 27, 2009
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2009 – April 27, 2009
Resolved
Monitoring, Regular
—
Benzene
January 1, 2009 – April 27, 2009
Resolved
Monitoring, Regular
—
Toluene
January 1, 2009 – April 27, 2009
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2009 – April 27, 2009
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2009 – April 27, 2009
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2009 – April 27, 2009
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2009 – April 27, 2009
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2009 – April 27, 2009
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2009 – April 27, 2009
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2009 – April 27, 2009
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2009 – April 27, 2009
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2009 – April 27, 2009
Resolved
Monitoring, Regular
—
Styrene
January 1, 2009 – April 27, 2009
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2009 – April 27, 2009
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2008 – October 31, 2008
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
October 1, 2008 – October 31, 2008
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2008 – September 8, 2008
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2008 – June 30, 2008
Resolved
Monitoring and Reporting (DBP)
—
TTHM
April 1, 2008 – June 30, 2008
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Styrene
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Toluene
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Benzene
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Nickel
January 1, 2008 – December 31, 2008
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2008 – March 31, 2008
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2008 – March 31, 2008
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2008 – March 31, 2008
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2008 – March 31, 2008
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
December 1, 2007 – December 31, 2007
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
December 1, 2007 – December 31, 2007
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
November 1, 2007 – November 30, 2007
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2007 – November 30, 2007
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
May 1, 2006 – May 31, 2006
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 2006 – May 31, 2006
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 2006 – May 31, 2006
Resolved
Monitoring, Regular
—
Toluene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Styrene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Nickel
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Benzene
January 1, 2006 – December 31, 2006
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2005 – December 31, 2005
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2005 – December 31, 2005
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2005 – September 30, 2005
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
June 1, 2005 – June 30, 2005
Resolved
Monitoring, Regular
—
Nickel
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2001 – December 31, 2001
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 1998 – June 30, 1998
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Nickel
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 1992 – March 31, 1992
Resolved

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

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2025	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Unaddressed
July 1, 2024	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Unaddressed
October 1, 2023 – February 2, 2024	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
July 1, 2023 – July 31, 2023	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2022 – July 25, 2022	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2022 – September 28, 2022	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2022 – April 4, 2022	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
July 1, 2021 – July 12, 2021	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
December 30, 2020 – January 20, 2021	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
July 1, 2020 – September 30, 2020	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2020 – September 30, 2020	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2020 – August 19, 2020	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2019 – June 30, 2019	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2019 – June 30, 2019	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	DICHLOROMETHANE	—	Archived
January 1, 2019 – December 31, 2019	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
January 1, 2019 – December 31, 2019	Monitoring, Regular	Ethylbenzene	—	Archived
January 1, 2019 – December 31, 2019	Monitoring, Regular	Toluene	—	Archived
January 1, 2019 – December 31, 2019	Monitoring, Regular	Benzene	—	Archived
January 1, 2019 – December 31, 2019	Monitoring, Regular	CHLOROBENZENE	—	Archived
January 1, 2019 – December 31, 2019	Monitoring, Regular	Tetrachloroethylene	—	Archived
January 1, 2019 – December 31, 2019	Monitoring, Regular	1,1,2-Trichloroethane	—	Archived
January 1, 2019 – December 31, 2019	Monitoring, Regular	Trichloroethylene	—	Archived
January 1, 2019 – December 31, 2019	Monitoring, Regular	1,2-Dichloropropane	—	Archived
January 1, 2019 – December 31, 2019	Monitoring, Regular	Carbon tetrachloride	—	Archived
January 1, 2019 – December 31, 2019	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
January 1, 2019 – December 31, 2019	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
January 1, 2019 – December 31, 2019	Monitoring, Regular	Vinyl chloride	—	Archived
January 1, 2019 – December 31, 2019	Monitoring, Regular	p-Dichlorobenzene	—	Archived
January 1, 2019 – December 31, 2019	Monitoring, Regular	o-Dichlorobenzene	—	Archived
January 1, 2017 – December 31, 2017	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Styrene	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Toluene	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Benzene	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
December 1, 2015 – December 31, 2015	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2015 – July 24, 2015	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2015 – December 31, 2015	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2015 – December 31, 2015	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Nickel	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Styrene	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Toluene	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Benzene	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2014 – February 7, 2014	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
January 1, 2014 – December 31, 2014	Monitoring, Regular	Beryllium, Total	—	Resolved
July 1, 2013 – July 25, 2013	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2012 – July 17, 2012	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Nickel	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Styrene	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Toluene	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Benzene	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2012 – March 31, 2012	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2012 – March 31, 2012	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
October 1, 2011 – December 31, 2011	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2011 – December 31, 2011	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
July 1, 2011 – September 30, 2011	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2011 – September 30, 2011	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
April 1, 2011 – June 30, 2011	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2011 – June 30, 2011	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Aldicarb	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Simazine	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Picloram	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Aldicarb sulfoxide	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Aldicarb sulfone	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	LASSO	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	2,4-D	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Chlordane	—	Resolved
October 1, 2010 – July 24, 2013	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2010 – July 23, 2010	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2010 – March 3, 2011	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
January 1, 2009 – April 27, 2009	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2009 – April 27, 2009	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2009 – April 27, 2009	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2009 – April 27, 2009	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2009 – April 27, 2009	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2009 – April 27, 2009	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2009 – April 27, 2009	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2009 – April 27, 2009	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2009 – April 27, 2009	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2009 – April 27, 2009	Monitoring, Regular	Benzene	—	Resolved
January 1, 2009 – April 27, 2009	Monitoring, Regular	Toluene	—	Resolved
January 1, 2009 – April 27, 2009	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2009 – April 27, 2009	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2009 – April 27, 2009	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2009 – April 27, 2009	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2009 – April 27, 2009	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2009 – April 27, 2009	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2009 – April 27, 2009	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2009 – April 27, 2009	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2009 – April 27, 2009	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2009 – April 27, 2009	Monitoring, Regular	Styrene	—	Resolved
January 1, 2009 – April 27, 2009	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
October 1, 2008 – October 31, 2008	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2008 – October 31, 2008	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2008 – September 8, 2008	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2008 – June 30, 2008	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
April 1, 2008 – June 30, 2008	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	Styrene	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	Toluene	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	Benzene	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2008 – December 31, 2008	Monitoring, Regular	Nickel	—	Resolved
January 1, 2008 – March 31, 2008	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2008 – March 31, 2008	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2008 – March 31, 2008	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2008 – March 31, 2008	Monitoring and Reporting (DBP)	TTHM	—	Resolved
December 1, 2007 – December 31, 2007	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
December 1, 2007 – December 31, 2007	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
November 1, 2007 – November 30, 2007	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
November 1, 2007 – November 30, 2007	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
May 1, 2006 – May 31, 2006	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
May 1, 2006 – May 31, 2006	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
May 1, 2006 – May 31, 2006	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Toluene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Styrene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Nickel	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring, Regular	Benzene	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2005 – December 31, 2005	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2005 – September 30, 2005	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
June 1, 2005 – June 30, 2005	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Nickel	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	Arsenic	—	Resolved
June 1, 1998 – June 30, 1998	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Nickel	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
March 1, 1992 – March 31, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved

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

Enforcement actions

October 24, 2025State Public Notification requested28 linked violations
February 2, 2024State Compliance achieved28 linked violations
July 31, 2023State Compliance achieved3 linked violations
July 25, 2022State Violation/Reminder Notice3 linked violations
July 11, 2022State Violation/Reminder Notice3 linked violations
December 1, 2020State Compliance achieved24 linked violations
October 19, 2020State Public Notification requested23 linked violations
June 9, 2020State Compliance achieved2 linked violations
October 23, 2019State Violation/Reminder Notice3 linked violations
August 27, 2019State Compliance achieved23 linked violations
August 23, 2019State Violation/Reminder Notice22 linked violations
August 23, 2019State Violation/Reminder Notice2 linked violations
August 7, 2018State Compliance achieved3 linked violations
March 5, 2018State Compliance achieved1 linked violation
January 19, 2018State Violation/Reminder Notice2 linked violations
January 19, 2018State Public Notification requested22 linked violations
January 19, 2018State Violation/Reminder Notice21 linked violations
October 18, 2017State Public Notification requested3 linked violations
January 15, 2016State Public Notification requested2 linked violations
October 19, 2015State Public Notification requested4 linked violations
July 24, 2015State Compliance achieved2 linked violations
July 15, 2015State Violation/Reminder Notice1 linked violation
January 26, 2015State Compliance achieved22 linked violations
January 26, 2015State Compliance achieved5 linked violations
January 14, 2015State Violation/Reminder Notice22 linked violations
January 14, 2015State Public Notification requested2 linked violations
January 14, 2015State Public Notification requested4 linked violations
February 7, 2014State Compliance achieved2 linked violations
February 6, 2014State Compliance achieved27 linked violations
January 24, 2014State Public Notification requested27 linked violations
July 24, 2013State Compliance achieved2 linked violations
July 16, 2013State Violation/Reminder Notice1 linked violation
January 29, 2013State Compliance achieved27 linked violations
January 11, 2013State Public Notification requested2 linked violations
January 11, 2013State Public Notification requested22 linked violations
January 11, 2013State Public Notification requested5 linked violations
January 11, 2013State Violation/Reminder Notice4 linked violations
January 11, 2013State Compliance achieved9 linked violations
October 31, 2012State Public Notification requested1 linked violation
July 13, 2012State Administrative/Compliance Order without penalty issued11 linked violations
July 12, 2012State Public Notification requested2 linked violations
July 12, 2012State Violation/Reminder Notice1 linked violation
April 10, 2012State Violation/Reminder Notice3 linked violations
February 10, 2012State Compliance achieved2 linked violations
January 26, 2012State Public Notification received3 linked violations
January 24, 2012State Public Notification requested2 linked violations
January 24, 2012State Violation/Reminder Notice2 linked violations
January 24, 2012State Public Notification requested1 linked violation
December 14, 2011State Public Notification requested3 linked violations
November 22, 2011State Public Notification received2 linked violations
November 7, 2011State Public Notification requested2 linked violations
November 7, 2011State Public Notification requested2 linked violations
July 19, 2011State Public Notification requested1 linked violation
July 19, 2011State Public Notification requested2 linked violations
March 3, 2011State Compliance achieved2 linked violations
August 7, 2010State Violation/Reminder Notice1 linked violation
July 23, 2010State Compliance achieved2 linked violations
January 19, 2010State Public Notification requested1 linked violation
January 19, 2010State Public Notification requested22 linked violations
August 12, 2009State Compliance achieved4 linked violations
April 27, 2009State Compliance achieved23 linked violations
February 10, 2009State Violation/Reminder Notice58 linked violations
February 9, 2009State Public Notification requested2 linked violations
February 9, 2009State Public Notification requested14 linked violations
December 31, 2008State Compliance achieved11 linked violations
November 5, 2008State Compliance achieved5 linked violations
August 17, 2008State Violation/Reminder Notice1 linked violation
August 9, 2008State Public Notification requested3 linked violations
August 9, 2008State Violation/Reminder Notice3 linked violations
April 23, 2008State Violation/Reminder Notice5 linked violations
April 23, 2008State Public Notification requested5 linked violations
January 11, 2008State Violation/Reminder Notice2 linked violations
January 11, 2008State Public Notification requested4 linked violations
January 1, 2008State Compliance achieved5 linked violations
May 25, 2007State Compliance achieved2 linked violations
February 5, 2007State Public Notification received1 linked violation
January 14, 2007State Violation/Reminder Notice21 linked violations
January 14, 2007State Public Notification requested21 linked violations
January 14, 2007State Public Notification requested4 linked violations
January 14, 2007State Violation/Reminder Notice4 linked violations
January 14, 2007State Public Notification requested1 linked violation
January 14, 2007State Violation/Reminder Notice1 linked violation
January 9, 2007State Violation/Reminder Notice1 linked violation
January 9, 2007State Public Notification requested1 linked violation
July 31, 2006State Public Notification received2 linked violations
July 31, 2006State Public Notification received1 linked violation
July 31, 2006State Compliance achieved1 linked violation
July 31, 2006State Compliance achieved1 linked violation
July 31, 2006State Compliance achieved1 linked violation
July 22, 2006State Public Notification requested1 linked violation
July 22, 2006State Public Notification requested1 linked violation
July 22, 2006State Public Notification requested1 linked violation
July 18, 2006State Violation/Reminder Notice1 linked violation
July 18, 2006State Violation/Reminder Notice1 linked violation
July 18, 2006State Violation/Reminder Notice1 linked violation
February 25, 2006State Violation/Reminder Notice2 linked violations
February 25, 2006State Public Notification requested2 linked violations
January 5, 2006State Compliance achieved5 linked violations
April 14, 2005State Violation/Reminder Notice4 linked violations
April 14, 2005State Public Notification requested4 linked violations
December 2, 2002State Compliance achieved2 linked violations
August 16, 2002State Public Notification received1 linked violation
August 16, 2002State Public Notification received1 linked violation
July 25, 2002State Public Notification requested1 linked violation
July 25, 2002State Public Notification requested1 linked violation
July 25, 2002State Violation/Reminder Notice1 linked violation
July 25, 2002State Violation/Reminder Notice1 linked violation
May 14, 2001State Compliance achieved26 linked violations
December 31, 1995State Compliance achieved1 linked violation

Contact

WHITE, DALE

406-432-2977

SHELBY, MT 59474