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Public water system · MI2019777

Active

O-N Minerals (Mi)/Carmeuse Lime - Mill

At a glance

O-N Minerals (Mi)/Carmeuse Lime - Mill (PWSID MI2019777) is an active non-transient non-community water system in Schoolcraft County, Michigan. It reports serving 75 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.

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

Population served

75

Service connections

1

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDMI2019777
System typeNon-transient non-community water system
Activity statusActive
Population served75
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMI state drinking water program
City served—
StateMichigan
ZIP—
CountySchoolcraft County

How does O-N Minerals (Mi)/Carmeuse Lime - Mill compare with other water systems in Schoolcraft County?

By EPA's size categories, O-N Minerals (Mi)/Carmeuse Lime - Mill is a very small system (500 people or fewer). Schoolcraft County has 66 active public water systems. Its population served is about 36% below the county average of 117 people per system, and accounts for 1% of the 7,736 people reported by systems filed under the county. Across Michigan, the 10,599 active systems average 847 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so O-N Minerals (Mi)/Carmeuse Lime - Mill is well below that figure.

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

A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Michigan has 1,402 active non-transient non-community water systems, 13% of the state's 10,599 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 10,214 Michigan systems (96%) list groundwater as their primary source.

Who owns and regulates O-N Minerals (Mi)/Carmeuse Lime - Mill?

EPA lists O-N Minerals (Mi)/Carmeuse Lime - Mill as privately owned. The MI state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 45 of the 66 active systems in Schoolcraft County (68%) are also privately owned.

Does O-N Minerals (Mi)/Carmeuse Lime - Mill have drinking water violations?

No SDWA violations on record.

EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for O-N Minerals (Mi)/Carmeuse Lime - Mill. For the latest compliance status, check EPA ECHO for current compliance history.

O-N Minerals (Mi)/Carmeuse Lime - Mill: frequently asked questions

Who runs O-N Minerals (Mi)/Carmeuse Lime - Mill?

O-N Minerals (Mi)/Carmeuse Lime - Mill (PWSID MI2019777) is a non-transient non-community water system privately owned. It is regulated by the MI state drinking water program.

How many people does O-N Minerals (Mi)/Carmeuse Lime - Mill serve?

O-N Minerals (Mi)/Carmeuse Lime - Mill reports serving 75 people through 1 service connection in Schoolcraft County, Michigan.

Where does O-N Minerals (Mi)/Carmeuse Lime - Mill 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 O-N Minerals (Mi)/Carmeuse Lime - Mill have any drinking water violations?

EPA's Safe Drinking Water Act records list no violations for this system.

Is O-N Minerals (Mi)/Carmeuse Lime - Mill'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 Safe Drinking Water Act records list no violations for this system. For current results, consult EPA ECHO, or the MI state drinking water program.

Where can I find O-N Minerals (Mi)/Carmeuse Lime - Mill's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. O-N Minerals (Mi)/Carmeuse Lime - Mill is a non-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 Schoolcraft County

Water systemCountyPopulation servedTypeSource
ManistiqueSchoolcraft3,197CommunitySurface water
Dnr-Indian Lake South Shore CgSchoolcraft300Transient non-communityGroundwater
Germfask TownshipSchoolcraft200CommunityGroundwater
Mdot - Manistique River R.P., P211Schoolcraft200Transient non-communityGroundwater
Mdot P210 Green School RpSchoolcraft200Transient non-communityGroundwater
Blaney Park Quick StopSchoolcraft200Transient 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, “O-N Minerals (Mi)/Carmeuse Lime - Mill, PWSID MI2019777, Michigan”, https://aquacensus.com/water-systems/michigan/o-n-minerals-mi-carmeuse-lime-mill-mi2019777 (data as of October 1, 2026).