Is KARLSRUHE CITY OF required to publish a Consumer Confidence Report?

Yes. KARLSRUHE CITY OF 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 KARLSRUHE CITY OF’s next Consumer Confidence Report due?

KARLSRUHE CITY OF’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.

KARLSRUHE, ND · McHenry County

KARLSRUHE CITY OF Water System

Consumer Confidence Report status

KARLSRUHE CITY OF 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 1 item for KARLSRUHE CITY OF that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.

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 North Dakota’s official records. Always confirm current status with North Dakota before making decisions based on this information.

System facts

System ID (PWSID): ND2500509
System type: Community Water System
Population served: 82
Service connections: 61
Ownership: local government
Water source: groundwater (wells)

KARLSRUHE CITY OF is one of 357 community water systems in North Dakota in the 500 or fewer people size category, serving 82 people from groundwater.

As of August 1, 2026, its federal record holds 22 entries between 1996 and 2024, of which 1 remains open; none are health-based.

Of the 22, 20 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 Stage 1 Disinfectants and Disinfection Byproducts Rule, the Total Coliform Rules, and the Lead and Copper Rule.

Violation history

Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
December 1, 2021 – December 31, 2021
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2021 – December 31, 2021
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
November 1, 2019 – November 30, 2019
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2019 – December 31, 2019
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
July 1, 2017 – July 31, 2017
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2017 – September 30, 2017
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
June 1, 2017 – June 30, 2017
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2017 – June 30, 2017
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
April 1, 2017 – April 30, 2017
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
November 1, 2016 – November 30, 2016
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2016 – September 30, 2016
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
July 1, 2016 – July 31, 2016
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
June 1, 2016 – June 30, 2016
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2016 – June 30, 2016
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2016 – March 31, 2016
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2015 – December 31, 2015
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2014 – October 20, 2015
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
December 11, 2011
Unaddressed
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2010 – June 30, 2010
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2009 – September 30, 2009
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 1996 – May 31, 1996
Archived

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

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2024 – September 30, 2024	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
December 1, 2021 – December 31, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
October 1, 2021 – December 31, 2021	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
November 1, 2019 – November 30, 2019	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
October 1, 2019 – December 31, 2019	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2017 – July 31, 2017	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
July 1, 2017 – September 30, 2017	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
June 1, 2017 – June 30, 2017	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
April 1, 2017 – June 30, 2017	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2017 – April 30, 2017	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
November 1, 2016 – November 30, 2016	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
July 1, 2016 – September 30, 2016	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2016 – July 31, 2016	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
June 1, 2016 – June 30, 2016	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2015 – December 31, 2015	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2014 – October 20, 2015	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
December 11, 2011	Lead Consumer Notice	Lead and Copper Rule	—	Unaddressed
April 1, 2010 – June 30, 2010	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
July 1, 2009 – September 30, 2009	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
May 1, 1996 – May 31, 1996	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived

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

Enforcement actions

August 17, 2017State Violation/Reminder Notice281 linked violations

Common questions

Is KARLSRUHE CITY OF required to publish a Consumer Confidence Report?: Yes. KARLSRUHE CITY OF 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 KARLSRUHE CITY OF’s next Consumer Confidence Report due?: KARLSRUHE CITY OF’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does KARLSRUHE CITY OF have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show 1 item for KARLSRUHE CITY OF that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
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

LEEPER, SHARON

701-833-1811

KARLSRUHE, ND 58744