Is 2727 WEST CENTRAL DUPLEXES required to publish a Consumer Confidence Report?

Yes. 2727 WEST CENTRAL DUPLEXES is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is 2727 WEST CENTRAL DUPLEXES’s next Consumer Confidence Report due?

2727 WEST CENTRAL DUPLEXES’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

MISSOULA, MT · Missoula County

2727 WEST CENTRAL DUPLEXES Water System

Consumer Confidence Report status

2727 WEST CENTRAL DUPLEXES must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show no open violations for 2727 WEST CENTRAL DUPLEXES.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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): MT0000829
System type: Community Water System
Population served: 35
Service connections: 7
Ownership: privately owned
Water source: groundwater (wells)

2727 WEST CENTRAL DUPLEXES is one of 1,084 community water systems in Montana in the 500 or fewer people size category, serving 35 people from groundwater.

As of August 1, 2026, its federal record holds 45 entries between 1993 and 2015, all of which EPA lists as closed. Nothing has been added since 2015.

Of the 45, 44 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves volatile organic chemicals, synthetic organic chemicals, and inorganic chemicals.

Violation history

Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2015 – August 23, 2016
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2014 – July 23, 2014
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 2011 – October 31, 2011
Resolved
Monitoring, Regular
—
Benzene
January 1, 2011 – December 22, 2013
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2011 – December 22, 2013
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2011 – December 22, 2013
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2011 – December 22, 2013
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2011 – December 22, 2013
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2011 – December 22, 2013
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2011 – December 22, 2013
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2011 – December 22, 2013
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2011 – December 22, 2013
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2011 – December 22, 2013
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2011 – December 22, 2013
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2011 – December 22, 2013
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2011 – December 22, 2013
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2011 – December 22, 2013
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2011 – December 22, 2013
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2011 – December 22, 2013
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2011 – December 22, 2013
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2011 – December 22, 2013
Resolved
Monitoring, Regular
—
Toluene
January 1, 2011 – December 22, 2013
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2011 – December 22, 2013
Resolved
Monitoring, Regular
—
Styrene
January 1, 2011 – December 22, 2013
Resolved
Monitoring, Regular
—
Endrin
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Aldicarb sulfone
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
2,4-D
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Benzene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Arsenic
January 1, 1999 – December 31, 2001
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1993 – December 31, 1993
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2015 – August 23, 2016	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2014 – July 23, 2014	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 1, 2011 – October 31, 2011	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2011 – December 22, 2013	Monitoring, Regular	Benzene	—	Resolved
January 1, 2011 – December 22, 2013	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2011 – December 22, 2013	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2011 – December 22, 2013	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2011 – December 22, 2013	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2011 – December 22, 2013	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2011 – December 22, 2013	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2011 – December 22, 2013	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2011 – December 22, 2013	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2011 – December 22, 2013	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2011 – December 22, 2013	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2011 – December 22, 2013	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2011 – December 22, 2013	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2011 – December 22, 2013	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2011 – December 22, 2013	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2011 – December 22, 2013	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2011 – December 22, 2013	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2011 – December 22, 2013	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2011 – December 22, 2013	Monitoring, Regular	Toluene	—	Resolved
January 1, 2011 – December 22, 2013	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2011 – December 22, 2013	Monitoring, Regular	Styrene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Endrin	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Aldicarb sulfone	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	2,4-D	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Chlordane	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Benzene	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 1999 – December 31, 2001	Monitoring, Regular	Arsenic	—	Resolved
January 1, 1993 – December 31, 1993	Monitoring, Regular	Nitrate	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

August 23, 2016State Compliance achieved1 linked violation
October 19, 2015State Public Notification requested1 linked violation
October 19, 2015State Violation/Reminder Notice1 linked violation
July 23, 2014State Compliance achieved1 linked violation
July 14, 2014State Violation/Reminder Notice1 linked violation
January 24, 2014State Public Notification requested21 linked violations
January 24, 2014State Violation/Reminder Notice21 linked violations
December 22, 2013State Compliance achieved21 linked violations
November 29, 2011State Violation/Reminder Notice1 linked violation
November 29, 2011State Public Notification requested1 linked violation
November 17, 2011State Compliance achieved1 linked violation
January 5, 2006State Compliance achieved47 linked violations
July 6, 2005State Compliance achieved4 linked violations
April 15, 2005State Public Notification requested21 linked violations
April 15, 2005State Violation/Reminder Notice21 linked violations
April 14, 2005State Violation/Reminder Notice4 linked violations
April 14, 2005State Public Notification requested26 linked violations
April 14, 2005State Violation/Reminder Notice26 linked violations
April 14, 2005State Public Notification requested4 linked violations
December 2, 2002State Compliance achieved1 linked violation
September 4, 2002State Public Notification received1 linked violation
July 25, 2002State Public Notification requested1 linked violation
July 25, 2002State Violation/Reminder Notice1 linked violation
August 17, 2001State Compliance achieved1 linked violation
November 1, 1995State Compliance achieved1 linked violation

Common questions

Is 2727 WEST CENTRAL DUPLEXES required to publish a Consumer Confidence Report?: Yes. 2727 WEST CENTRAL DUPLEXES is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is 2727 WEST CENTRAL DUPLEXES’s next Consumer Confidence Report due?: 2727 WEST CENTRAL DUPLEXES’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does 2727 WEST CENTRAL DUPLEXES have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for 2727 WEST CENTRAL DUPLEXES.
What is a Consumer Confidence Report?: A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

CRISP, KEN L

406-549-8868

MISSOULA, MT 59806