ALDER, MT · Beaverhead County

WESTERN MOBILE VILLAGE DILLON 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): MT0002171
System type: Community Water System
Population served: 75
Service connections: 31
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2025 – July 17, 2025
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2020 – September 8, 2021
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
August 5, 2015 – October 27, 2015
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2015 – July 31, 2015
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
2,4,5-TP
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
Methoxychlor
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
2,4-D
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
Heptachlor
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
Atrazine
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
Aldicarb sulfone
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
BHC-GAMMA
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
Dinoseb
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
Picloram
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
Simazine
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
OXAMYL
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
Dalapon
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
Toxaphene
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
Pentachlorophenol
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
Atrazine
April 1, 2014 – June 30, 2014
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
April 1, 2014 – June 30, 2014
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
April 1, 2014 – June 30, 2014
Resolved
Monitoring, Regular
—
Endrin
April 1, 2014 – June 30, 2014
Resolved
Monitoring, Regular
—
BHC-GAMMA
April 1, 2014 – June 30, 2014
Resolved
Monitoring, Regular
—
Methoxychlor
April 1, 2014 – June 30, 2014
Resolved
Monitoring, Regular
—
Simazine
April 1, 2014 – June 30, 2014
Resolved
Monitoring, Regular
—
Aldicarb sulfone
April 1, 2014 – June 30, 2014
Resolved
Monitoring, Regular
—
LASSO
April 1, 2014 – June 30, 2014
Resolved
Monitoring, Regular
—
2,4,5-TP
April 1, 2014 – June 30, 2014
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
April 1, 2014 – June 30, 2014
Resolved
Monitoring, Regular
—
Chlordane
April 1, 2014 – June 30, 2014
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
January 1, 2014 – January 25, 2022
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2012 – December 11, 2012
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2012 – December 11, 2012
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
June 1, 2012 – June 25, 2012
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2011 – September 7, 2011
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2010 – March 8, 2011
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2010 – March 8, 2011
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
May 1, 2009 – May 31, 2009
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
April 1, 2009 – April 30, 2009
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2009 – December 31, 2009
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2008 – December 8, 2008
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 2004 – February 29, 2004
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 2001 – April 30, 2001
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Atrazine
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Styrene
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 1998 – October 31, 1998
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 1997 – February 4, 2004
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
May 1, 1995 – May 31, 1995
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2025 – July 17, 2025	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 1, 2020 – September 8, 2021	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
August 5, 2015 – October 27, 2015	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
July 1, 2015 – July 31, 2015	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	2,4,5-TP	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	Methoxychlor	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	2,4-D	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	Heptachlor	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	Atrazine	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	Aldicarb sulfone	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	BHC-GAMMA	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	Aldicarb sulfoxide	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	Dinoseb	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	Picloram	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	Simazine	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	OXAMYL	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	Dalapon	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	Toxaphene	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Regular	Pentachlorophenol	—	Resolved
April 1, 2014 – June 30, 2014	Monitoring, Regular	Atrazine	—	Resolved
April 1, 2014 – June 30, 2014	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
April 1, 2014 – June 30, 2014	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
April 1, 2014 – June 30, 2014	Monitoring, Regular	Endrin	—	Resolved
April 1, 2014 – June 30, 2014	Monitoring, Regular	BHC-GAMMA	—	Resolved
April 1, 2014 – June 30, 2014	Monitoring, Regular	Methoxychlor	—	Resolved
April 1, 2014 – June 30, 2014	Monitoring, Regular	Simazine	—	Resolved
April 1, 2014 – June 30, 2014	Monitoring, Regular	Aldicarb sulfone	—	Resolved
April 1, 2014 – June 30, 2014	Monitoring, Regular	LASSO	—	Resolved
April 1, 2014 – June 30, 2014	Monitoring, Regular	2,4,5-TP	—	Resolved
April 1, 2014 – June 30, 2014	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
April 1, 2014 – June 30, 2014	Monitoring, Regular	Chlordane	—	Resolved
January 1, 2014 – January 25, 2022	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
October 1, 2012 – December 11, 2012	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2012 – December 11, 2012	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
June 1, 2012 – June 25, 2012	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 2011 – September 7, 2011	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 1, 2010 – March 8, 2011	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2010 – March 8, 2011	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
May 1, 2009 – May 31, 2009	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 2009 – April 30, 2009	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
July 1, 2008 – December 8, 2008	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
February 1, 2004 – February 29, 2004	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 2001 – April 30, 2001	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Atrazine	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Styrene	—	Resolved
October 1, 1998 – October 31, 1998	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 1997 – February 4, 2004	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
May 1, 1995 – May 31, 1995	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

September 16, 2025State Compliance achieved2 linked violations
July 17, 2025State Compliance achieved2 linked violations
July 17, 2025State Violation/Reminder Notice1 linked violation
November 7, 2024State Violation/Reminder Notice23 linked violations
August 12, 2024State Compliance achieved1 linked violation
July 25, 2023State Compliance achieved1 linked violation
January 25, 2022State Compliance achieved1 linked violation
January 25, 2022State Compliance achieved1 linked violation
January 4, 2022State Violation/Reminder Notice1 linked violation
September 8, 2021State Compliance achieved1 linked violation
September 8, 2021State Compliance achieved1 linked violation
July 19, 2021State Violation/Reminder Notice3 linked violations
May 26, 2021State Compliance achieved1 linked violation
January 22, 2021State Violation/Reminder Notice1 linked violation
January 22, 2021State Public Notification requested1 linked violation
October 27, 2020State Violation/Reminder Notice1 linked violation
August 6, 2020State Compliance achieved1 linked violation
July 20, 2020State Violation/Reminder Notice1 linked violation
January 22, 2020State Compliance achieved1 linked violation
January 15, 2020State Public Notification requested1 linked violation
January 15, 2020State Violation/Reminder Notice1 linked violation
August 6, 2019State Compliance achieved1 linked violation
July 17, 2019State Violation/Reminder Notice1 linked violation
March 15, 2019State Public Notification requested1 linked violation
March 15, 2019State Violation/Reminder Notice1 linked violation
March 6, 2019State Compliance achieved1 linked violation
September 11, 2018State Compliance achieved1 linked violation
October 23, 2017State Compliance achieved1 linked violation
October 17, 2017State Violation/Reminder Notice1 linked violation
October 24, 2016State Public Notification requested1 linked violation
October 24, 2016State Violation/Reminder Notice1 linked violation
October 27, 2015State Compliance achieved1 linked violation
September 22, 2015State Compliance achieved1 linked violation
September 18, 2015State Violation/Reminder Notice1 linked violation
September 18, 2015State Public Notification requested1 linked violation
August 17, 2015State Public Notification requested1 linked violation
August 17, 2015State Violation/Reminder Notice1 linked violation
August 17, 2015State Violation/Reminder Notice1 linked violation
November 4, 2014State Compliance achieved1 linked violation
November 4, 2014State Compliance achieved1 linked violation
November 4, 2014State Compliance achieved1 linked violation
November 4, 2014State Compliance achieved26 linked violations
November 4, 2014State Compliance achieved26 linked violations
November 4, 2014State Compliance achieved1 linked violation
November 4, 2014State Compliance achieved1 linked violation
November 4, 2014State Compliance achieved1 linked violation
November 4, 2014State Compliance achieved1 linked violation
November 4, 2014State Compliance achieved26 linked violations
November 4, 2014State Compliance achieved26 linked violations
November 4, 2014State Compliance achieved1 linked violation
October 14, 2014State Public Notification requested26 linked violations
October 14, 2014State Public Notification requested1 linked violation
October 14, 2014State Violation/Reminder Notice1 linked violation
October 14, 2014State Violation/Reminder Notice1 linked violation
October 14, 2014State Public Notification requested1 linked violation
October 14, 2014State Violation/Reminder Notice1 linked violation
October 14, 2014State Violation/Reminder Notice26 linked violations
October 14, 2014State Public Notification requested26 linked violations
October 14, 2014State Violation/Reminder Notice26 linked violations
October 14, 2014State Public Notification requested1 linked violation
October 14, 2014State Violation/Reminder Notice1 linked violation
October 14, 2014State Public Notification requested1 linked violation
July 15, 2014State Violation/Reminder Notice1 linked violation
July 15, 2014State Violation/Reminder Notice1 linked violation
July 15, 2014State Public Notification requested1 linked violation
July 15, 2014State Violation/Reminder Notice1 linked violation
July 15, 2014State Public Notification requested1 linked violation
July 15, 2014State Violation/Reminder Notice26 linked violations
July 15, 2014State Public Notification requested26 linked violations
July 15, 2014State Violation/Reminder Notice1 linked violation
July 15, 2014State Public Notification requested1 linked violation
July 15, 2014State Public Notification requested1 linked violation
July 15, 2014State Violation/Reminder Notice26 linked violations
July 15, 2014State Public Notification requested26 linked violations
January 23, 2014State Violation/Reminder Notice1 linked violation
December 11, 2012State Compliance achieved2 linked violations
November 14, 2012State Violation/Reminder Notice1 linked violation
July 13, 2012State Public Notification requested1 linked violation
July 13, 2012State Violation/Reminder Notice1 linked violation
July 13, 2012State Public Notification requested1 linked violation
July 13, 2012State Violation/Reminder Notice1 linked violation
June 25, 2012State Compliance achieved1 linked violation
June 25, 2012State Compliance achieved1 linked violation
September 7, 2011State Compliance achieved1 linked violation
August 1, 2011State Public Notification requested1 linked violation
August 1, 2011State Violation/Reminder Notice1 linked violation
March 8, 2011State Compliance achieved2 linked violations
October 23, 2010State Violation/Reminder Notice1 linked violation
October 23, 2010State Public Notification requested1 linked violation
August 18, 2010State Compliance achieved1 linked violation
August 7, 2010State Public Notification requested1 linked violation
August 7, 2010State Violation/Reminder Notice1 linked violation
February 9, 2010State Compliance achieved1 linked violation
January 14, 2010State Public Notification received1 linked violation
January 13, 2010State Public Notification requested1 linked violation
January 13, 2010State Violation/Reminder Notice1 linked violation
December 22, 2009State Compliance achieved1 linked violation
December 17, 2009State Violation/Reminder Notice1 linked violation
December 17, 2009State Compliance achieved1 linked violation
December 17, 2009State Public Notification requested1 linked violation
November 17, 2009State Violation/Reminder Notice2 linked violations
August 12, 2009State Compliance achieved4 linked violations
August 12, 2009State Compliance achieved3 linked violations
July 14, 2009State Public Notification requested1 linked violation
July 14, 2009State Violation/Reminder Notice1 linked violation
June 17, 2009State Public Notification requested1 linked violation
May 29, 2009State Compliance achieved1 linked violation
May 4, 2009State Compliance achieved2 linked violations
May 4, 2009State Public Notification requested1 linked violation
August 17, 2008State Violation/Reminder Notice1 linked violation
August 17, 2008State Public Notification requested1 linked violation
April 20, 2007State Compliance achieved1 linked violation
January 14, 2007State Violation/Reminder Notice1 linked violation
January 14, 2007State Public Notification requested1 linked violation
February 28, 2006State Compliance achieved1 linked violation
January 19, 2006State Violation/Reminder Notice1 linked violation
January 19, 2006State Public Notification requested1 linked violation
December 25, 2005State Compliance achieved1 linked violation
December 25, 2005State Violation/Reminder Notice2 linked violations
April 13, 2005State Public Notification requested4 linked violations
January 4, 2005State Violation/Reminder Notice4 linked violations
March 29, 2004State Public Notification received2 linked violations
March 19, 2004State Public Notification requested2 linked violations
March 19, 2004State Violation/Reminder Notice2 linked violations
March 19, 2004State Compliance achieved2 linked violations
August 8, 2002State Compliance achieved1 linked violation
July 25, 2002State Public Notification requested3 linked violations
July 25, 2002State Violation/Reminder Notice2 linked violations
July 21, 2002State Violation/Reminder Notice3 linked violations
June 29, 2002State Violation/Reminder Notice24 linked violations
June 20, 2002State Compliance achieved2 linked violations
June 20, 2002State Compliance achieved1 linked violation
April 19, 2002State Public Notification requested1 linked violation
January 1, 2002State Compliance achieved1 linked violation
December 16, 2001State Violation/Reminder Notice1 linked violation
June 12, 2001State Public Notification requested1 linked violation
June 12, 2001State Violation/Reminder Notice1 linked violation
December 9, 1998State Violation/Reminder Notice1 linked violation

Contact

MALONEY, BILL

406-842-5666

ALDER, MT 59710