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Public water system · OH5055021

Active

Mahoning Valley Market &Marathon Gas Pws

At a glance

Mahoning Valley Market &Marathon Gas Pws (PWSID OH5055021) is an active transient non-community water system in Mahoning County, Ohio. It reports serving 100 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is health-based, and the most recent began in October 2025.

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

Population served

100

Service connections

2

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDOH5055021
System typeTransient non-community water system
Activity statusActive
Population served100
Service connections2
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyOH state drinking water program
City served—
StateOhio
ZIP—
CountyMahoning County

How does Mahoning Valley Market &Marathon Gas Pws compare with other water systems in Mahoning County?

By EPA's size categories, Mahoning Valley Market &Marathon Gas Pws is a very small system (500 people or fewer). Mahoning County has 65 active public water systems. Its population served is well below the county average of 2,583 people per system, and accounts for less than 0.1% of the 167,876 people reported by systems filed under the county. Across Ohio, the 3,854 active systems average 2,767 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Mahoning Valley Market &Marathon Gas Pws is about 31% below 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. Ohio has 2,282 active transient non-community water systems, 59% of the state's 3,854 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 3,446 Ohio systems (89%) list groundwater as their primary source.

Who owns and regulates Mahoning Valley Market &Marathon Gas Pws?

EPA lists Mahoning Valley Market &Marathon Gas Pws as privately owned. The OH state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 58 of the 65 active systems in Mahoning County (89%) are also privately owned.

Does Mahoning Valley Market &Marathon Gas Pws have drinking water violations?

EPA's records list one violation for this system; it is health-based, and the most recent began in October 2025. By type: 1 required treatment not met. The contaminant or rule involved is Groundwater Rule. EPA lists 1 as unaddressed. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

BeganViolationContaminant or ruleHealth-basedStatus
2025-10-07Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesUnaddressed

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.

Mahoning Valley Market &Marathon Gas Pws: frequently asked questions

Who runs Mahoning Valley Market &Marathon Gas Pws?

Mahoning Valley Market &Marathon Gas Pws (PWSID OH5055021) is a transient non-community water system privately owned. It is regulated by the OH state drinking water program.

How many people does Mahoning Valley Market &Marathon Gas Pws serve?

Mahoning Valley Market &Marathon Gas Pws reports serving 100 people through 2 service connections in Mahoning County, Ohio.

Where does Mahoning Valley Market &Marathon Gas Pws 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 Mahoning Valley Market &Marathon Gas Pws have any drinking water violations?

EPA's records list one violation for this system; it is health-based, and the most recent began in October 2025. 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 Mahoning Valley Market &Marathon Gas Pws' 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 October 2025. For current results, consult EPA ECHO, or the OH state drinking water program.

Where can I find Mahoning Valley Market &Marathon Gas Pws' water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Mahoning Valley Market &Marathon Gas Pws 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 Mahoning County

Water systemCountyPopulation servedTypeSource
Youngstown City PwsMahoning130,530CommunityPurchased surface water
Canfield City PwsMahoning7,706CommunityPurchased surface water
Hollywood Gaming @ MvrcMahoning7,625Non-transient non-communityGroundwater
Sebring Village PwsMahoning6,058CommunitySurface water
Jackson/Milton Metro Water District PwsMahoning3,728CommunityPurchased surface water
Greenford Christian Life Center (C, D,E)Mahoning1,623Transient 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, “Mahoning Valley Market &Marathon Gas Pws, PWSID OH5055021, Ohio”, https://aquacensus.com/water-systems/ohio/mahoning-valley-market-marathon-gas-pws-oh5055021 (data as of October 1, 2026).