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Public water system · MN1040038

Active

Willow Brook

At a glance

Willow Brook (PWSID MN1040038) is an active community water system in Beltrami County, Minnesota. It reports serving 60 people through 32 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; none is health-based, and the most recent began in October 2024.

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

Population served

60

Service connections

32

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDMN1040038
System typeCommunity water system
Activity statusActive
Population served60
Service connections32
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMN state drinking water program
City served—
StateMinnesota
ZIP—
CountyBeltrami County

How does Willow Brook compare with other water systems in Beltrami County?

By EPA's size categories, Willow Brook is a very small system (500 people or fewer). Beltrami County has 183 active public water systems. Its population served is well below the county average of 190 people per system, and accounts for 0.2% of the 34,735 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 Willow Brook 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 Willow Brook?

EPA lists Willow Brook 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. 166 of the 183 active systems in Beltrami County (91%) are also privately owned.

Does Willow Brook have drinking water violations?

EPA's records list 3 violations for this system; none is health-based, and the most recent began in October 2024. The violations listed here began between October 2020 and October 2024. By type: 3 monitoring and reporting. The contaminants or rules involved are Toxaphene, Chlordane and Lead and Copper Rule. EPA lists 3 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.

BeganViolationContaminant or ruleHealth-basedStatus
2024-10-01Monitoring and reportingMonitoring, Regular · code 03Toxaphenecode 2020NoResolved
2024-10-01Monitoring and reportingMonitoring, Regular · code 03Chlordanecode 2959NoResolved
2020-10-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved

All 3 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.

Willow Brook: frequently asked questions

Who runs Willow Brook?

Willow Brook (PWSID MN1040038) is a community water system privately owned. It is regulated by the MN state drinking water program.

How many people does Willow Brook serve?

Willow Brook reports serving 60 people through 32 service connections in Beltrami County, Minnesota.

Where does Willow Brook 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 Willow Brook have any drinking water violations?

EPA's records list 3 violations for this system; none is health-based, and the most recent began in October 2024. 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 Willow Brook'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 3 violations for this system; none is health-based, and the most recent began in October 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the MN state drinking water program.

Where can I find Willow Brook's water quality report?

As a community water system, Willow Brook 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 Beltrami County

Water systemCountyPopulation servedTypeSource
BemidjiBeltrami15,147CommunityGroundwater
Lake Bemidji State ParkBeltrami900Transient non-communityGroundwater
BlackduckBeltrami826CommunityGroundwater
Beltrami County Agricultural AssociationBeltrami750Transient non-communityGroundwater
Evangelical Covenant ChurchBeltrami600Transient non-communityGroundwater
Bemidji TheatreBeltrami570Transient non-communityGroundwater

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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, “Willow Brook, PWSID MN1040038, Minnesota”, https://aquacensus.com/water-systems/minnesota/willow-brook-mn1040038 (data as of October 1, 2026).