Is ESTATES AT YELLOWSTONE LLC required to publish a Consumer Confidence Report?

Yes. ESTATES AT YELLOWSTONE LLC 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 ESTATES AT YELLOWSTONE LLC’s next Consumer Confidence Report due?

ESTATES AT YELLOWSTONE LLC’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.

BOCA RATON, MT · Yellowstone County

ESTATES AT YELLOWSTONE LLC Water System

Consumer Confidence Report status

ESTATES AT YELLOWSTONE LLC 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 ESTATES AT YELLOWSTONE LLC.

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): MT0000464
System type: Community Water System
Population served: 800
Service connections: 218
Ownership: privately owned
Water source: groundwater (wells)

ESTATES AT YELLOWSTONE LLC is one of 123 community water systems in Montana in the 501 to 3,300 people size category, serving 800 people from groundwater.

As of August 1, 2026, its federal record holds 13 entries between 1994 and 2023, all of which EPA lists as closed. Nothing has been added since 2023.

Of the 13, 9 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 the Total Coliform Rules, the Consumer Confidence Rule, and the Lead and Copper Rule.

Violation history

Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2023 – July 5, 2023
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
December 30, 2021 – December 13, 2023
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2021 – July 30, 2021
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
December 1, 2015 – December 31, 2015
Resolved
Monitoring, Regular
—
Asbestos
January 1, 2011 – December 31, 2013
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2006 – February 21, 2007
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2004 – December 31, 2004
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 1998 – October 31, 1998
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 1998 – February 28, 1998
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 1998 – January 31, 1998
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 1996 – December 31, 2000
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 1994 – June 30, 1994
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1994 – December 31, 1994
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2023 – July 5, 2023	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
December 30, 2021 – December 13, 2023	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
July 1, 2021 – July 30, 2021	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
December 1, 2015 – December 31, 2015	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
January 1, 2011 – December 31, 2013	Monitoring, Regular	Asbestos	—	Resolved
July 1, 2006 – February 21, 2007	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2004 – December 31, 2004	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 1, 1998 – October 31, 1998	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
February 1, 1998 – February 28, 1998	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 1998 – January 31, 1998	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 1996 – December 31, 2000	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
June 1, 1994 – June 30, 1994	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Nitrate	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

December 13, 2023State Compliance achieved1 linked violation
July 11, 2023State Violation/Reminder Notice1 linked violation
July 5, 2023State Compliance achieved1 linked violation
January 4, 2022State Violation/Reminder Notice1 linked violation
July 30, 2021State Compliance achieved1 linked violation
July 19, 2021State Violation/Reminder Notice1 linked violation
February 8, 2016State Compliance achieved1 linked violation
January 15, 2016State Violation/Reminder Notice1 linked violation
January 15, 2016State Public Notification requested1 linked violation
March 24, 2014State Public Notification received1 linked violation
February 14, 2014State Compliance achieved1 linked violation
January 24, 2014State Violation/Reminder Notice1 linked violation
January 24, 2014State Public Notification requested1 linked violation
January 6, 2009State Compliance achieved9 linked violations
December 30, 2008State Compliance achieved7 linked violations
June 20, 2008State Public Notification received1 linked violation
May 25, 2007State Compliance achieved3 linked violations
February 5, 2007State Violation/Reminder Notice2 linked violations
May 16, 2001State Compliance achieved2 linked violations
December 31, 2000State Compliance achieved1 linked violation
December 9, 1998State Violation/Reminder Notice1 linked violation

Common questions

Is ESTATES AT YELLOWSTONE LLC required to publish a Consumer Confidence Report?: Yes. ESTATES AT YELLOWSTONE LLC 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 ESTATES AT YELLOWSTONE LLC’s next Consumer Confidence Report due?: ESTATES AT YELLOWSTONE LLC’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does ESTATES AT YELLOWSTONE LLC have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for ESTATES AT YELLOWSTONE LLC.
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

SALSMAN, JOHN

608-865-1313

BOCA RATON, FL 33433