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Public water system · MD1131103

Active

Carroll Motor Fuel - Lisbon

At a glance

Carroll Motor Fuel - Lisbon (PWSID MD1131103) is an active transient non-community water system in Howard County, Maryland. It reports serving 137 people through 1 service connection. 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 September 2003.

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

Population served

137

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDMD1131103
System typeTransient non-community water system
Activity statusActive
Population served137
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMD state drinking water program
City served—
StateMaryland
ZIP—
CountyHoward County

How does Carroll Motor Fuel - Lisbon compare with other water systems in Howard County?

By EPA's size categories, Carroll Motor Fuel - Lisbon is a very small system (500 people or fewer). Howard County has 87 active public water systems. Its population served is well below the county average of 3,556 people per system, and accounts for less than 0.1% of the 309,341 people reported by systems filed under the county. Across Maryland, the 2,992 active systems average 1,947 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Carroll Motor Fuel - Lisbon 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. Maryland has 2,079 active transient non-community water systems, 69% of the state's 2,992 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,870 Maryland systems (96%) list groundwater as their primary source.

Who owns and regulates Carroll Motor Fuel - Lisbon?

EPA lists Carroll Motor Fuel - Lisbon as privately owned. The MD state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 62 of the 87 active systems in Howard County (71%) are also privately owned.

Does Carroll Motor Fuel - Lisbon have drinking water violations?

EPA's records list one violation for this system; it is health-based, and the most recent began in September 2003. By type: 1 contaminant level above the legal limit. The contaminant or rule involved is Total coliform bacteria (TCR). EPA lists 1 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
2003-09-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

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.

Carroll Motor Fuel - Lisbon: frequently asked questions

Who runs Carroll Motor Fuel - Lisbon?

Carroll Motor Fuel - Lisbon (PWSID MD1131103) is a transient non-community water system privately owned. It is regulated by the MD state drinking water program.

How many people does Carroll Motor Fuel - Lisbon serve?

Carroll Motor Fuel - Lisbon reports serving 137 people through 1 service connection in Howard County, Maryland.

Where does Carroll Motor Fuel - Lisbon 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 Carroll Motor Fuel - Lisbon have any drinking water violations?

EPA's records list one violation for this system; it is health-based, and the most recent began in September 2003. 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 Carroll Motor Fuel - Lisbon'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 one violation for this system; it is health-based, and the most recent began in September 2003. For current results, consult EPA ECHO, or the MD state drinking water program.

Where can I find Carroll Motor Fuel - Lisbon's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Carroll Motor Fuel - Lisbon 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 Howard County

Water systemCountyPopulation servedTypeSource
Howard County D.P.W. DistributionHoward286,158CommunityPurchased surface water
Glenelg High SchoolHoward1,532Non-transient non-communityGroundwater
Bushy Park Es/Glenwood Ms ComplexHoward1,500Non-transient non-communityGroundwater
Highs of CooksvilleHoward1,321Transient non-communityGroundwater
Royal Farms StoreHoward1,015Transient non-communityGroundwater
Glenelg Country SchoolHoward950Non-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, “Carroll Motor Fuel - Lisbon, PWSID MD1131103, Maryland”, https://aquacensus.com/water-systems/maryland/carroll-motor-fuel-lisbon-md1131103 (data as of October 1, 2026).