Is GC Mankato Hill LLC required to publish a Consumer Confidence Report?

Yes. GC Mankato Hill 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 GC Mankato Hill LLC’s next Consumer Confidence Report due?

GC Mankato Hill 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.

Mankato, MN · Blue Earth County

GC Mankato Hill LLC Water System

Consumer Confidence Report status

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

System facts

System ID (PWSID): MN1070024
System type: Community Water System
Population served: 140
Service connections: 8
Ownership: privately owned
Water source: groundwater (wells)

GC Mankato Hill LLC is one of 739 community water systems in Minnesota in the 500 or fewer people size category, serving 140 people from groundwater.

As of August 1, 2026, its federal record holds 7 entries between 2021 and 2026, all of which EPA lists as closed.

All 7 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 Stage 2 Disinfectants and Disinfection Byproducts Rule, and inorganic chemicals.

Violation history

Lead Consumer Notice
—
Lead and Copper Rule
January 1, 2026 – November 25, 2025
Resolved
Monitoring, Regular
—
Arsenic
April 1, 2025 – June 30, 2025
Archived
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2025 – March 31, 2025
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
January 1, 2025 – March 31, 2025
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
January 1, 2025 – June 30, 2025
Resolved
Monitoring and Reporting (DBP)
—
TTHM
July 1, 2021 – October 31, 2021
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2021 – October 31, 2021
Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2026 – November 25, 2025	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
April 1, 2025 – June 30, 2025	Monitoring, Regular	Arsenic	—	Archived
January 1, 2025 – March 31, 2025	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2025 – March 31, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2025 – June 30, 2025	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
July 1, 2021 – October 31, 2021	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2021 – October 31, 2021	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

May 6, 2026State Compliance achieved1 linked violation
April 7, 2026State Formal Notice of Violation issued1 linked violation
December 18, 2025State Compliance achieved1 linked violation
November 25, 2025State Formal Notice of Violation issued1 linked violation
November 25, 2025State Compliance achieved1 linked violation
October 30, 2025State Violation/Reminder Notice1 linked violation
October 16, 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
April 18, 2025State Formal Notice of Violation issued1 linked violation
April 18, 2025State Formal Notice of Violation issued1 linked violation
April 18, 2025State Public Notification requested1 linked violation
April 18, 2025State Public Notification requested1 linked violation
April 16, 2025State Compliance achieved1 linked violation
April 16, 2025State Compliance achieved1 linked violation
March 5, 2025State Violation/Reminder Notice1 linked violation
March 7, 2022State Compliance achieved1 linked violation
March 4, 2022State Public Notification received1 linked violation
February 22, 2022State Public Notification requested1 linked violation
February 22, 2022State Formal Notice of Violation issued1 linked violation
November 18, 2021State Violation/Reminder Notice2 linked violations
November 2, 2021State Violation/Reminder Notice2 linked violations
September 17, 2021State Violation/Reminder Notice2 linked violations
June 1, 2021State Compliance achieved1 linked violation
October 31, 1990State Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
October 31, 1990State Compliance achievedgeneral compliance action — not tied to a specific violation on record
October 31, 1990State Boil Water Ordergeneral compliance action — not tied to a specific violation on record
October 31, 1990State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
October 31, 1990State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
December 31, 1989State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
December 31, 1989State Compliance achievedgeneral compliance action — not tied to a specific violation on record
December 31, 1989State Boil Water Ordergeneral compliance action — not tied to a specific violation on record
December 31, 1989State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
December 31, 1989State Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
September 30, 1982State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record

Common questions

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

Southwest Minnesota Housing Partnership

Phone not on record

Mankato, MN 56001