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Public water system · MN5600266

Active

Mentor Convenience Store

At a glance

Mentor Convenience Store (PWSID MN5600266) is an active transient non-community water system in Polk County, Minnesota. It reports serving 25 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is health-based, and the most recent began in January 2023.

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

Population served

25

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDMN5600266
System typeTransient non-community water system
Activity statusActive
Population served25
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMN state drinking water program
City served—
StateMinnesota
ZIP—
CountyPolk County

How does Mentor Convenience Store compare with other water systems in Polk County?

By EPA's size categories, Mentor Convenience Store is a very small system (500 people or fewer). Polk County has 60 active public water systems. Its population served is well below the county average of 395 people per system, and accounts for 0.1% of the 23,676 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 Mentor Convenience Store is well below 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. 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 Mentor Convenience Store?

EPA lists Mentor Convenience Store 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. 44 of the 60 active systems in Polk County (73%) are also privately owned.

Does Mentor Convenience Store have drinking water violations?

EPA's records list one violation for this system; it is health-based, and the most recent began in January 2023. By type: 1 contaminant level above the legal limit. The contaminant or rule involved is Nitrate. EPA lists 1 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
2023-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Nitratecode 1040YesResolved

The one violation in EPA's records.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.

Mentor Convenience Store: frequently asked questions

Who runs Mentor Convenience Store?

Mentor Convenience Store (PWSID MN5600266) is a transient non-community water system privately owned. It is regulated by the MN state drinking water program.

How many people does Mentor Convenience Store serve?

Mentor Convenience Store reports serving 25 people through 1 service connection in Polk County, Minnesota.

Where does Mentor Convenience Store 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 Mentor Convenience Store have any drinking water violations?

EPA's records list one violation for this system; it is health-based, and the most recent began in January 2023. 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 Mentor Convenience Store'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 one violation for this system; it is health-based, and the most recent began in January 2023. For current results, consult EPA ECHO, or the MN state drinking water program.

Where can I find Mentor Convenience Store's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Mentor Convenience Store 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 Polk County

Water systemCountyPopulation servedTypeSource
East Grand ForksPolk9,206CommunitySurface water
CrookstonPolk7,272CommunityGroundwater
FosstonPolk1,385CommunityGroundwater
FertilePolk789CommunityGroundwater
McintoshPolk584CommunityGroundwater
FisherPolk401CommunityPurchased 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, “Mentor Convenience Store, PWSID MN5600266, Minnesota”, https://aquacensus.com/water-systems/minnesota/mentor-convenience-store-mn5600266 (data as of October 1, 2026).