Public water system · MN1070024

Active

Gc Mankato Hill LLC

At a glance

Gc Mankato Hill LLC (PWSID MN1070024) is an active community water system in Blue Earth County, Minnesota. It reports serving 140 people through 8 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in April 2026.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

140

Service connections

Primary source

Groundwater

System type

CWS

Community water system

System record

PWSIDMN1070024

System typeCommunity water system

Activity statusActive

Population served140

Service connections8

Primary water sourceGroundwater

Owner typePrivate

Primacy agencyMN state drinking water program

City served—

StateMinnesota

ZIP—

CountyBlue Earth County

How does Gc Mankato Hill LLC compare with other water systems in Blue Earth County?

By EPA's size categories, Gc Mankato Hill LLC is a very small system (500 people or fewer). Blue Earth County has 63 active public water systems. Its population served is well below the county average of 931 people per system, and accounts for 0.2% of the 58,656 people reported by systems filed under the county. Across Minnesota, the 6,465 active systems average 820 people each. Nationally, the average active community water system reports serving 6,703 people, so Gc Mankato Hill LLC is well below that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Minnesota has 987 active community water systems, 15% of the state's 6,465 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 6,261 Minnesota systems (97%) list groundwater as their primary source.

Who owns and regulates Gc Mankato Hill LLC?

EPA lists Gc Mankato Hill LLC as privately owned. The MN state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 45 of the 63 active systems in Blue Earth County (71%) are also privately owned.

Does Gc Mankato Hill LLC have drinking water violations?

EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in April 2026. The violations listed here began between January 2021 and April 2026. By type: 7 monitoring and reporting, 1 required treatment not met and 1 monitoring. The contaminant or rule involved most often is Lead and Copper Rule (4 of them). EPA lists 7 as resolved and 2 as archived. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

Began	Violation	Contaminant or rule	Health-based	Status
2026-04-01	Required treatment not metOCCT/SOWT Study/Recommendation · code 57	Lead and Copper Rulecode 5000	Yes	Resolved
2026-01-01	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved
2025-04-01	Monitoring and reportingMonitoring, Regular · code 03	Arseniccode 1005	No	Archived
2025-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2025-01-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2025-01-01	Monitoring and reportingWater Quality Parameter M/R · code 53	Lead and Copper Rulecode 5000	No	Resolved
2021-07-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Total trihalomethanes (TTHM)code 2950	No	Resolved
2021-07-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Haloacetic acids (HAA5)code 2456	No	Archived
2021-01-01	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved

All 9 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Gc Mankato Hill LLC: frequently asked questions

Who runs Gc Mankato Hill LLC?

Gc Mankato Hill LLC (PWSID MN1070024) is a community water system privately owned. It is regulated by the MN state drinking water program.

How many people does Gc Mankato Hill LLC serve?

Gc Mankato Hill LLC reports serving 140 people through 8 service connections in Blue Earth County, Minnesota.

Where does Gc Mankato Hill LLC get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Gc Mankato Hill LLC have any drinking water violations?

EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in April 2026. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Gc Mankato Hill LLC's water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in April 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the MN state drinking water program.

Where can I find Gc Mankato Hill LLC's water quality report?

As a community water system, Gc Mankato Hill LLC must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Blue Earth County

Water system	County	Population served	Type	Source
Mankato	Blue Earth	42,803	Community	Groundwater under influence of surface water
Eagle Lake	Blue Earth	3,268	Community	Groundwater
Lake Crystal	Blue Earth	2,554	Community	Groundwater
Mapleton	Blue Earth	1,756	Community	Groundwater
Madison Lake	Blue Earth	1,017	Community	Groundwater
Saint Clair	Blue Earth	846	Community	Groundwater

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About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Gc Mankato Hill LLC, PWSID MN1070024, Minnesota”, https://aquacensus.com/water-systems/minnesota/gc-mankato-hill-llc-mn1070024 (data as of October 1, 2026).