Is ROBERTS WUA CARBON CO WATER AND SEWER required to publish a Consumer Confidence Report?

Yes. ROBERTS WUA CARBON CO WATER AND SEWER 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 ROBERTS WUA CARBON CO WATER AND SEWER’s next Consumer Confidence Report due?

ROBERTS WUA CARBON CO WATER AND SEWER’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.

ROBERTS, MT · Carbon County

ROBERTS WUA CARBON CO WATER AND SEWER Water System

Consumer Confidence Report status

ROBERTS WUA CARBON CO WATER AND SEWER 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 ROBERTS WUA CARBON CO WATER AND SEWER.

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): MT0000317
System type: Community Water System
Population served: 300
Service connections: 138
Ownership: local government
Water source: groundwater (wells)

ROBERTS WUA CARBON CO WATER AND SEWER is one of 1,084 community water systems in Montana in the 500 or fewer people size category, serving 300 people from groundwater.

As of August 1, 2026, its federal record holds 38 entries between 1994 and 2022, all of which EPA lists as closed. Nothing has been added since 2022.

Of the 38, 33 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 Lead and Copper Rule, the Consumer Confidence Rule, and the Total Coliform Rules.

Violation history

Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2022 – July 24, 2022
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2020 – August 8, 2020
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2019 – October 1, 2019
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
January 1, 2009 – January 31, 2009
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2006 – October 22, 2008
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
July 1, 2004 – December 31, 2004
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 2003 – February 4, 2004
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
January 1, 2003 – June 30, 2003
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
January 1, 2003 – February 4, 2004
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 2002 – September 30, 2002
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
July 1, 2002 – December 31, 2002
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 2002 – February 4, 2004
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
January 1, 2002 – June 30, 2002
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
January 1, 2002 – February 4, 2004
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
July 1, 2001 – December 31, 2001
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
July 1, 2001 – December 31, 2001
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
July 1, 2001 – December 31, 2001
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 2001 – February 4, 2004
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
January 1, 2001 – June 30, 2001
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
January 1, 2001 – June 30, 2001
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
January 1, 2001 – June 30, 2001
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
January 1, 2001 – June 30, 2001
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
January 1, 2001 – June 30, 2001
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
January 1, 2001 – February 4, 2004
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
July 1, 2000 – December 31, 2000
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
July 1, 2000 – December 31, 2000
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 2000 – February 4, 2004
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
July 1, 2000 – December 31, 2000
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
July 1, 2000 – December 31, 2000
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
January 1, 2000 – June 30, 2000
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
January 1, 2000 – June 30, 2000
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
January 1, 2000 – June 30, 2000
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
January 1, 2000 – June 30, 2000
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
January 1, 2000 – June 30, 2000
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 1997 – November 30, 1997
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 1997 – April 30, 1997
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1997 – December 31, 1997
Resolved
OCCT/SOWT Study/Recommendation
Health-based
Lead and Copper Rule
January 1, 1994 – December 12, 2006
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2022 – July 24, 2022	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2020 – August 8, 2020	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2019 – October 1, 2019	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2009 – January 31, 2009	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2006 – October 22, 2008	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2004 – December 31, 2004	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
July 1, 2003 – February 4, 2004	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
January 1, 2003 – June 30, 2003	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
January 1, 2003 – February 4, 2004	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
September 1, 2002 – September 30, 2002	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2002 – December 31, 2002	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
July 1, 2002 – February 4, 2004	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
January 1, 2002 – June 30, 2002	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
January 1, 2002 – February 4, 2004	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
July 1, 2001 – December 31, 2001	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
July 1, 2001 – December 31, 2001	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
July 1, 2001 – December 31, 2001	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
July 1, 2001 – February 4, 2004	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
January 1, 2001 – June 30, 2001	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
January 1, 2001 – June 30, 2001	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
January 1, 2001 – June 30, 2001	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
January 1, 2001 – June 30, 2001	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
January 1, 2001 – June 30, 2001	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
January 1, 2001 – February 4, 2004	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
July 1, 2000 – December 31, 2000	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
July 1, 2000 – December 31, 2000	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
July 1, 2000 – February 4, 2004	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
July 1, 2000 – December 31, 2000	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
July 1, 2000 – December 31, 2000	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
January 1, 2000 – June 30, 2000	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
January 1, 2000 – June 30, 2000	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
January 1, 2000 – June 30, 2000	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
January 1, 2000 – June 30, 2000	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
January 1, 2000 – June 30, 2000	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
November 1, 1997 – November 30, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 1997 – April 30, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 1997 – December 31, 1997	Monitoring, Regular	Nitrate	—	Resolved
January 1, 1994 – December 12, 2006	OCCT/SOWT Study/Recommendation	Lead and Copper Rule	Health-based	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

January 13, 2026State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
January 13, 2026State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
July 24, 2022State Compliance achieved1 linked violation
July 11, 2022State Violation/Reminder Notice1 linked violation
August 8, 2020State Compliance achieved1 linked violation
July 20, 2020State Violation/Reminder Notice1 linked violation
October 1, 2019State Compliance achieved1 linked violation
July 17, 2019State Violation/Reminder Notice1 linked violation
July 18, 2016State Compliance achieved1 linked violation
July 14, 2016State Violation/Reminder Notice1 linked violation
May 15, 2009State Compliance achieved1 linked violation
May 15, 2009State Compliance achieved1 linked violation
May 15, 2009State Compliance achieved1 linked violation
February 23, 2009State Public Notification received1 linked violation
February 12, 2009State Violation/Reminder Notice1 linked violation
February 12, 2009State Public Notification requested1 linked violation
October 22, 2008State Compliance achieved1 linked violation
September 2, 2008State no additional Formal Action needed1 linked violation
December 12, 2006State Compliance achieved5 linked violations
January 3, 2005State Violation/Reminder Notice2 linked violations
January 3, 2005State Violation/Reminder Notice5 linked violations
January 3, 2005State Public Notification requested6 linked violations
January 3, 2005State Violation/Reminder Notice5 linked violations
January 3, 2005State Public Notification requested5 linked violations
January 3, 2005State Violation/Reminder Notice5 linked violations
January 3, 2005State Public Notification requested5 linked violations
January 3, 2005State Violation/Reminder Notice3 linked violations
January 3, 2005State Public Notification requested2 linked violations
January 3, 2005State Public Notification requested1 linked violation
January 3, 2005State Public Notification requested3 linked violations
January 3, 2005State Public Notification requested2 linked violations
February 4, 2004State Compliance achieved7 linked violations
June 26, 2003State Public Notification requested1 linked violation
June 26, 2003State Violation/Reminder Notice1 linked violation
February 18, 2003State Violation/Reminder Notice1 linked violation
December 26, 2002State Public Notification received1 linked violation
October 24, 2002State Violation/Reminder Notice2 linked violations
October 24, 2002State Public Notification requested2 linked violations
September 24, 2001State Public Notification requested1 linked violation
September 24, 2001State Violation/Reminder Notice1 linked violation
May 15, 2001State Compliance achieved1 linked violation
January 16, 1998State Violation/Reminder Notice16 linked violations
September 9, 1994State Formal Notice of Violation issued2 linked violations
January 23, 1992State Violation/Reminder Notice2 linked violations

Common questions

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

KEEBLER, STEVE

406-425-1818

ROBERTS, MT 59070