Is Good Thunder required to publish a Consumer Confidence Report?

Yes. Good Thunder 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 Good Thunder’s next Consumer Confidence Report due?

Good Thunder’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.

Good Thunder, MN · Blue Earth County

Good Thunder Water System

Consumer Confidence Report status

Good Thunder 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 Good Thunder.

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

System facts

System ID (PWSID): MN1070005
System type: Community Water System
Population served: 583
Service connections: 256
Ownership: local government
Water source: groundwater (wells)

Good Thunder is one of 330 community water systems in Minnesota in the 501 to 3,300 people size category, serving 583 people from groundwater.

As of August 1, 2026, its federal record holds 2 entries in 2025, all of which EPA lists as closed.

All 2 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 and the Stage 1 Disinfectants and Disinfection Byproducts Rule.

Violation history

Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
April 1, 2025 – June 30, 2025
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2025 – June 30, 2025
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
April 1, 2025 – June 30, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
April 1, 2025 – June 30, 2025	Monitoring and Reporting (DBP)	Chlorine	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

July 11, 2025State Public Notification requested1 linked violation
July 11, 2025State Formal Notice of Violation issued1 linked violation
July 11, 2025State Public Notification requested1 linked violation
July 11, 2025State Formal Notice of Violation issued1 linked violation
July 7, 2025State Compliance achieved1 linked violation
July 7, 2025State Compliance achieved1 linked violation
June 5, 2025State Violation/Reminder Notice1 linked violation
October 26, 2002State Public Notification received2 linked violations
October 23, 2002State Compliance achieved2 linked violations
November 6, 2000State Public Notification received2 linked violations
October 27, 2000State Technical Assistance Visit2 linked violations
November 1, 1991State Public Notification requested2 linked violations
November 1, 1991State Violation/Reminder Notice2 linked violations
November 1, 1991State Compliance Meeting conducted2 linked violations
November 1, 1991State Boil Water Order2 linked violations
January 15, 1991State Formal Notice of Violation issued1 linked violation
September 30, 1981State Violation/Reminder Notice1 linked violation

Common questions

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

Good Thunder City Council

5072783730

Good Thunder, MN 56037-0097