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Public water system · MD1101326

Active

Mar Lu Ridge - Lodge

At a glance

Mar Lu Ridge - Lodge (PWSID MD1101326) is an active transient non-community water system in Frederick County, Maryland. It reports serving 70 people through 18 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in October 2012.

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

Population served

70

Service connections

18

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDMD1101326
System typeTransient non-community water system
Activity statusActive
Population served70
Service connections18
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMD state drinking water program
City served—
StateMaryland
ZIP—
CountyFrederick County

How does Mar Lu Ridge - Lodge compare with other water systems in Frederick County?

By EPA's size categories, Mar Lu Ridge - Lodge is a very small system (500 people or fewer). Frederick County has 211 active public water systems. Its population served is well below the county average of 1,007 people per system, and accounts for less than 0.1% of the 212,367 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 Mar Lu Ridge - Lodge is about half of 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 Mar Lu Ridge - Lodge?

EPA lists Mar Lu Ridge - Lodge 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. 156 of the 211 active systems in Frederick County (74%) are also privately owned.

Does Mar Lu Ridge - Lodge have drinking water violations?

EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in October 2012. The violations listed here began between April 2005 and October 2012. By type: 1 contaminant level above the legal limit and 1 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 2 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
2012-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2005-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

All 2 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.

Mar Lu Ridge - Lodge: frequently asked questions

Who runs Mar Lu Ridge - Lodge?

Mar Lu Ridge - Lodge (PWSID MD1101326) is a transient non-community water system privately owned. It is regulated by the MD state drinking water program.

How many people does Mar Lu Ridge - Lodge serve?

Mar Lu Ridge - Lodge reports serving 70 people through 18 service connections in Frederick County, Maryland.

Where does Mar Lu Ridge - Lodge 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 Mar Lu Ridge - Lodge have any drinking water violations?

EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in October 2012. 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 Mar Lu Ridge - Lodge'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 2 violations for this system; 1 is health-based, and the most recent began in October 2012. For current results, consult EPA ECHO, or the MD state drinking water program.

Where can I find Mar Lu Ridge - Lodge's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Mar Lu Ridge - Lodge 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 Frederick County

Water systemCountyPopulation servedTypeSource
New Design - Frederick CountyFrederick74,911CommunitySurface water
City of FrederickFrederick54,000CommunitySurface water
Town of WalkersvilleFrederick8,440CommunityGroundwater under influence of surface water
Fort DetrickFrederick7,900CommunitySurface water
City of BrunswickFrederick7,312CommunitySurface water
Town of ThurmontFrederick6,200CommunityGroundwater under influence of 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, “Mar Lu Ridge - Lodge, PWSID MD1101326, Maryland”, https://aquacensus.com/water-systems/maryland/mar-lu-ridge-lodge-md1101326 (data as of October 1, 2026).