Skip to content
AquaCensus

Public water system · MI2055546

Active

Uniloy Inc.

At a glance

Uniloy Inc. (PWSID MI2055546) is an active non-transient non-community water system in Lenawee County, Michigan. It reports serving 138 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 6 violations for this system; 2 are health-based, and the most recent began in January 2013.

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

Population served

138

Service connections

2

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDMI2055546
System typeNon-transient non-community water system
Activity statusActive
Population served138
Service connections2
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMI state drinking water program
City served—
StateMichigan
ZIP—
CountyLenawee County

How does Uniloy Inc. compare with other water systems in Lenawee County?

By EPA's size categories, Uniloy Inc. is a very small system (500 people or fewer). Lenawee County has 182 active public water systems. Its population served is well below the county average of 437 people per system, and accounts for 0.2% of the 79,516 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 Uniloy Inc. 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 Uniloy Inc.?

EPA lists Uniloy Inc. 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. 162 of the 182 active systems in Lenawee County (89%) are also privately owned.

Does Uniloy Inc. have drinking water violations?

EPA's records list 6 violations for this system; 2 are health-based, and the most recent began in January 2013. The violations listed here began between January 1994 and January 2013. By type: 4 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 6 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
2013-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2013-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2012-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2010-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2006-11-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1994-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

All 6 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.

Uniloy Inc.: frequently asked questions

Who runs Uniloy Inc.?

Uniloy Inc. (PWSID MI2055546) is a non-transient non-community water system privately owned. It is regulated by the MI state drinking water program.

How many people does Uniloy Inc. serve?

Uniloy Inc. reports serving 138 people through 2 service connections in Lenawee County, Michigan.

Where does Uniloy Inc. 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 Uniloy Inc. have any drinking water violations?

EPA's records list 6 violations for this system; 2 are health-based, and the most recent began in January 2013. 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 Uniloy Inc.'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 6 violations for this system; 2 are health-based, and the most recent began in January 2013. For current results, consult EPA ECHO, or the MI state drinking water program.

Where can I find Uniloy Inc.'s water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Uniloy Inc. 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 Lenawee County

Water systemCountyPopulation servedTypeSource
AdrianLenawee23,663CommunitySurface water
TecumsehLenawee8,521CommunityGroundwater
The Groves of MichiganLenawee6,460Transient non-communityGroundwater
Madison TownshipLenawee3,480CommunityGroundwater
BlissfieldLenawee3,276CommunitySurface water
ClintonLenawee2,336CommunityGroundwater

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Uniloy Inc., PWSID MI2055546, Michigan”, https://aquacensus.com/water-systems/michigan/uniloy-inc-mi2055546 (data as of October 1, 2026).