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Public water system · MI2043047

Active

Marathon Gas Mart - Hamburg

At a glance

Marathon Gas Mart - Hamburg (PWSID MI2043047) is an active transient non-community water system in Livingston County, Michigan. It reports serving 150 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 8 violations for this system; 1 is health-based, and the most recent began in January 2007.

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

Population served

150

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDMI2043047
System typeTransient non-community water system
Activity statusActive
Population served150
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMI state drinking water program
City served—
StateMichigan
ZIP—
CountyLivingston County

How does Marathon Gas Mart - Hamburg compare with other water systems in Livingston County?

By EPA's size categories, Marathon Gas Mart - Hamburg is a very small system (500 people or fewer). Livingston County has 425 active public water systems. Its population served is about half of the county average of 314 people per system, and accounts for 0.1% of the 133,320 people reported by systems filed under the county. Across Michigan, the 10,599 active systems average 847 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Marathon Gas Mart - Hamburg is roughly in line with 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. Michigan has 7,865 active transient non-community water systems, 74% 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 Marathon Gas Mart - Hamburg?

EPA lists Marathon Gas Mart - Hamburg 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. 386 of the 425 active systems in Livingston County (91%) are also privately owned.

Does Marathon Gas Mart - Hamburg have drinking water violations?

EPA's records list 8 violations for this system; 1 is health-based, and the most recent began in January 2007. The violations listed here began between January 1996 and January 2007. By type: 7 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 7 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

BeganViolationContaminant or ruleHealth-basedStatus
2007-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2007-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Nitritecode 1041NoArchived
1999-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1997-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
1997-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1996-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
1996-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

All 8 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.

Marathon Gas Mart - Hamburg: frequently asked questions

Who runs Marathon Gas Mart - Hamburg?

Marathon Gas Mart - Hamburg (PWSID MI2043047) is a transient non-community water system privately owned. It is regulated by the MI state drinking water program.

How many people does Marathon Gas Mart - Hamburg serve?

Marathon Gas Mart - Hamburg reports serving 150 people through 1 service connection in Livingston County, Michigan.

Where does Marathon Gas Mart - Hamburg 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 Marathon Gas Mart - Hamburg have any drinking water violations?

EPA's records list 8 violations for this system; 1 is health-based, and the most recent began in January 2007. 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 Marathon Gas Mart - Hamburg'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 8 violations for this system; 1 is health-based, and the most recent began in January 2007. For current results, consult EPA ECHO, or the MI state drinking water program.

Where can I find Marathon Gas Mart - Hamburg's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Marathon Gas Mart - Hamburg 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 Livingston County

Water systemCountyPopulation servedTypeSource
Mhog Sewer & Water AuthorityLivingston17,046CommunityGroundwater
Brighton, City ofLivingston10,210CommunityGroundwater
Howell, City ofLivingston9,914CommunityGroundwater
Livingston Community Water AuthorityLivingston4,152CommunityGroundwater
Hartland TownshipLivingston3,022CommunityGroundwater
Chilson Commons / KrogerLivingston3,000Non-transient 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, “Marathon Gas Mart - Hamburg, PWSID MI2043047, Michigan”, https://aquacensus.com/water-systems/michigan/marathon-gas-mart-hamburg-mi2043047 (data as of October 1, 2026).