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Public water system · MI2145063

Active

Learning Rainbow Preschool

At a glance

Learning Rainbow Preschool (PWSID MI2145063) is an active non-transient non-community water system in Oakland County, Michigan. It reports serving 100 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in October 2019.

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

Population served

100

Service connections

1

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDMI2145063
System typeNon-transient non-community water system
Activity statusActive
Population served100
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMI state drinking water program
City served—
StateMichigan
ZIP—
CountyOakland County

How does Learning Rainbow Preschool compare with other water systems in Oakland County?

By EPA's size categories, Learning Rainbow Preschool is a very small system (500 people or fewer). Oakland County has 734 active public water systems. Its population served is well below the county average of 1,561 people per system, and accounts for less than 0.1% of the 1,145,905 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 Learning Rainbow Preschool 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 Learning Rainbow Preschool?

EPA lists Learning Rainbow Preschool 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. 638 of the 734 active systems in Oakland County (87%) are also privately owned.

Does Learning Rainbow Preschool have drinking water violations?

Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in October 2019. The violations listed here began between January 2002 and October 2019. By type: 10 monitoring and reporting and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 12 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
2019-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Arseniccode 1005YesResolved
2008-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Arseniccode 1005YesResolved
2005-07-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved
2005-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
2005-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2004-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2004-07-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved
2004-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2002-01-01Monitoring and reportingMonitoring, Regular · code 03Mercurycode 1035NoResolved
2002-01-01Monitoring and reportingMonitoring, Regular · code 03Berylliumcode 1075NoResolved
2002-01-01Monitoring and reportingMonitoring, Regular · code 03Antimonycode 1074NoResolved

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.

Learning Rainbow Preschool: frequently asked questions

Who runs Learning Rainbow Preschool?

Learning Rainbow Preschool (PWSID MI2145063) is a non-transient non-community water system privately owned. It is regulated by the MI state drinking water program.

How many people does Learning Rainbow Preschool serve?

Learning Rainbow Preschool reports serving 100 people through 1 service connection in Oakland County, Michigan.

Where does Learning Rainbow Preschool 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 Learning Rainbow Preschool have any drinking water violations?

Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in October 2019. 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 Learning Rainbow Preschool'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, 2 are health-based, and the most recent began in October 2019. For current results, consult EPA ECHO, or the MI state drinking water program.

Where can I find Learning Rainbow Preschool's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Learning Rainbow Preschool 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 Oakland County

Water systemCountyPopulation servedTypeSource
TroyOakland85,854CommunityPurchased surface water
Rochester HillsOakland74,000CommunityPurchased surface water
Waterford TownshipOakland73,441CommunityGroundwater
SouthfieldOakland71,739CommunityPurchased surface water
PontiacOakland63,776CommunityPurchased surface water
Royal Oak, City ofOakland57,236CommunityPurchased surface water

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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, “Learning Rainbow Preschool, PWSID MI2145063, Michigan”, https://aquacensus.com/water-systems/michigan/learning-rainbow-preschool-mi2145063 (data as of October 1, 2026).