Public water system · MN5160062

Active

Gunflint Lodge

At a glance

Gunflint Lodge (PWSID MN5160062) is an active transient non-community water system in Cook County, Minnesota. It reports serving 180 people through 40 service connections. Its primary water source is surface water, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in May 2025.

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

Population served

180

Service connections

Primary source

Surface water

System type

TNCWS

Transient non-community water system

System record

PWSIDMN5160062

System typeTransient non-community water system

Activity statusActive

Population served180

Service connections40

Primary water sourceSurface water

Owner typePrivate

Primacy agencyMN state drinking water program

City served—

StateMinnesota

ZIP—

CountyCook County

How does Gunflint Lodge compare with other water systems in Cook County?

By EPA's size categories, Gunflint Lodge is a very small system (500 people or fewer). Cook County has 98 active public water systems. Its population served is about twice the county average of 85 people per system, and accounts for 2.2% of the 8,349 people reported by systems filed under the county. Across Minnesota, the 6,465 active systems average 820 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Gunflint Lodge is about 25% above that figure.

What does “transient non-community water system” mean?

A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Minnesota has 5,008 active transient non-community water systems, 77% of the state's 6,465 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 61 Minnesota systems (0.9%) list surface water as their primary source.

Who owns and regulates Gunflint Lodge?

EPA lists Gunflint Lodge 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. 83 of the 98 active systems in Cook County (85%) are also privately owned.

Does Gunflint Lodge have drinking water violations?

Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in May 2025. The violations listed here began between November 2005 and May 2025. By type: 7 required treatment not met, 2 monitoring, 1 public notice, recordkeeping or other, 1 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Surface Water Treatment Rule (6 of them). EPA lists 12 as resolved. 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.

Began	Violation	Contaminant or rule	Health-based	Status
2025-05-25	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2024-04-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2016-07-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2014-11-01	Required treatment not metTreatment Technique (SWTR and GWR) · code 41	Surface Water Treatment Rulecode 0200	Yes	Resolved
2014-01-01	Required treatment not metTreatment Technique (SWTR and GWR) · code 41	Surface Water Treatment Rulecode 0200	Yes	Resolved
2013-05-01	Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44	Interim Enhanced Surface Water Treatment Rulecode 0300	Yes	Resolved
2013-02-01	Required treatment not metTreatment Technique (SWTR and GWR) · code 41	Surface Water Treatment Rulecode 0200	Yes	Resolved
2012-07-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2009-02-01	Required treatment not metTreatment Technique (SWTR and GWR) · code 41	Surface Water Treatment Rulecode 0200	Yes	Resolved
2008-03-01	Required treatment not metTreatment Technique (SWTR and GWR) · code 41	Surface Water Treatment Rulecode 0200	Yes	Resolved
2006-11-01	Required treatment not metTreatment Technique (SWTR and GWR) · code 41	Surface Water Treatment Rulecode 0200	Yes	Resolved
2005-11-14	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Haloacetic acids (HAA5)code 2456	Yes	Resolved

The 12 most recent 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.

Gunflint Lodge: frequently asked questions

Who runs Gunflint Lodge?

Gunflint Lodge (PWSID MN5160062) is a transient non-community water system privately owned. It is regulated by the MN state drinking water program.

How many people does Gunflint Lodge serve?

Gunflint Lodge reports serving 180 people through 40 service connections in Cook County, Minnesota.

Where does Gunflint Lodge get its water?

EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.

Does Gunflint Lodge have any drinking water violations?

Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in May 2025. 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 Gunflint Lodge'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. Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in May 2025. For current results, consult EPA ECHO, or the MN state drinking water program.

Where can I find Gunflint Lodge's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Gunflint Lodge is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.

Other water systems in Cook County

Water system	County	Population served	Type	Source
Grand Marais	Cook	1,344	Community	Surface water
Lamb'S Resort and Campground	Cook	475	Transient non-community	Groundwater
Bluefin Bay	Cook	435	Non-transient non-community	Surface water
Caribou Highlands Lodge	Cook	335	Non-transient non-community	Groundwater
Naniboujou Lodge	Cook	200	Transient non-community	Groundwater under influence of surface water
Americinn of Tofte	Cook	200	Transient non-community	Groundwater under influence of surface water

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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, “Gunflint Lodge, PWSID MN5160062, Minnesota”, https://aquacensus.com/water-systems/minnesota/gunflint-lodge-mn5160062 (data as of October 1, 2026).