Skip to content
AquaCensus

Public water system · MN5160404

Active

Judge C.R. Magney State Park

At a glance

Judge C.R. Magney State Park (PWSID MN5160404) is an active transient non-community water system in Cook County, Minnesota. It reports serving 200 people through 5 service connections. Its primary water source is surface water, and EPA lists it as owned by a state government. Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in February 2025.

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

Population served

200

Service connections

5

Primary source

SW

Surface water

System type

TNCWS

Transient non-community water system

System record

PWSIDMN5160404
System typeTransient non-community water system
Activity statusActive
Population served200
Service connections5
Primary water sourceSurface water
Owner typeState government
Primacy agencyMN state drinking water program
City served—
StateMinnesota
ZIP—
CountyCook County

How does Judge C.R. Magney State Park compare with other water systems in Cook County?

By EPA's size categories, Judge C.R. Magney State Park is a very small system (500 people or fewer). Cook County has 98 active public water systems, and Judge C.R. Magney State Park is the 5th-largest of them by population served. Its population served is about 135% above the county average of 85 people per system, and accounts for 2.4% 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 Judge C.R. Magney State Park is about 39% 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 Judge C.R. Magney State Park?

EPA lists Judge C.R. Magney State Park as owned by a state government. 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. 4 of the 98 active systems in Cook County (4.1%) are also owned by a state government.

Does Judge C.R. Magney State Park have drinking water violations?

Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in February 2025. The violations listed here began between May 2005 and February 2025. By type: 4 public notice, recordkeeping or other, 4 required treatment not met, 2 monitoring and reporting and 2 monitoring. The contaminant or rule involved most often is Public Notice (4 of them). EPA lists 8 as resolved and 4 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

BeganViolationContaminant or ruleHealth-basedStatus
2025-02-08Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoUnaddressed
2024-12-14Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoUnaddressed
2024-10-26Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoUnaddressed
2024-10-01Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38Interim Enhanced Surface Water Treatment Rulecode 0300NoResolved
2024-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2024-09-01Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44Interim Enhanced Surface Water Treatment Rulecode 0300YesResolved
2024-08-20Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoUnaddressed
2024-08-01Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44Interim Enhanced Surface Water Treatment Rulecode 0300YesResolved
2023-07-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2019-10-01Required treatment not metTreatment Technique (SWTR and GWR) · code 41Surface Water Treatment Rulecode 0200YesResolved
2014-08-01Required treatment not metTreatment Technique (SWTR and GWR) · code 41Surface Water Treatment Rulecode 0200YesResolved
2005-05-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

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.

Judge C.R. Magney State Park: frequently asked questions

Who runs Judge C.R. Magney State Park?

Judge C.R. Magney State Park (PWSID MN5160404) is a transient non-community water system owned by a state government. It is regulated by the MN state drinking water program.

How many people does Judge C.R. Magney State Park serve?

Judge C.R. Magney State Park reports serving 200 people through 5 service connections in Cook County, Minnesota.

Where does Judge C.R. Magney State Park 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 Judge C.R. Magney State Park have any drinking water violations?

Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in February 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 Judge C.R. Magney State Park'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, 4 are health-based, and the most recent began in February 2025. For current results, consult EPA ECHO, or the MN state drinking water program.

Where can I find Judge C.R. Magney State Park's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Judge C.R. Magney State Park 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 systemCountyPopulation servedTypeSource
Grand MaraisCook1,344CommunitySurface water
Lamb'S Resort and CampgroundCook475Transient non-communityGroundwater
Bluefin BayCook435Non-transient non-communitySurface water
Caribou Highlands LodgeCook335Non-transient non-communityGroundwater
Naniboujou LodgeCook200Transient non-communityGroundwater under influence of surface water
Americinn of TofteCook200Transient non-communityGroundwater under influence of surface water

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Judge C.R. Magney State Park, PWSID MN5160404, Minnesota”, https://aquacensus.com/water-systems/minnesota/judge-c-r-magney-state-park-mn5160404 (data as of October 1, 2026).