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Public water system · MN1310004

Active

Calumet

At a glance

Calumet (PWSID MN1310004) is an active community water system in Itasca County, Minnesota. It reports serving 332 people through 169 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is health-based, and the most recent began in April 2011.

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

Population served

332

Service connections

169

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDMN1310004
System typeCommunity water system
Activity statusActive
Population served332
Service connections169
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyMN state drinking water program
City served—
StateMinnesota
ZIP—
CountyItasca County

How does Calumet compare with other water systems in Itasca County?

By EPA's size categories, Calumet is a very small system (500 people or fewer). Itasca County has 228 active public water systems. Its population served is about 145% above the county average of 136 people per system, and accounts for 1.1% of the 30,939 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 Calumet 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 Calumet?

EPA lists Calumet as owned by a local 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. 19 of the 228 active systems in Itasca County (8.3%) are also owned by a local government.

Does Calumet have drinking water violations?

EPA's records list one violation for this system; it is health-based, and the most recent began in April 2011. By type: 1 contaminant level above the legal limit. The contaminant or rule involved is Total coliform bacteria (TCR). 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
2011-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

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.

Calumet: frequently asked questions

Who runs Calumet?

Calumet (PWSID MN1310004) is a community water system owned by a local government. It is regulated by the MN state drinking water program.

How many people does Calumet serve?

Calumet reports serving 332 people through 169 service connections in Itasca County, Minnesota.

Where does Calumet 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 Calumet have any drinking water violations?

EPA's records list one violation for this system; it is health-based, and the most recent began in April 2011. 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 Calumet'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 April 2011. For current results, consult the system's annual water quality report, EPA ECHO, or the MN state drinking water program.

Where can I find Calumet's water quality report?

As a community water system, Calumet 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 Itasca County

Water systemCountyPopulation servedTypeSource
Grand RapidsItasca11,346CommunityGroundwater
ColeraineItasca1,997CommunityGroundwater
KeewatinItasca1,068CommunityGroundwater
Cohasset Municipal Water SystemItasca1,000CommunityGroundwater
NashwaukItasca971CommunityGroundwater
Deer RiverItasca942CommunityGroundwater

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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, “Calumet, PWSID MN1310004, Minnesota”, https://aquacensus.com/water-systems/minnesota/calumet-mn1310004 (data as of October 1, 2026).