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Public water system · MD1180056

Active

White Marsh Elementary School

At a glance

White Marsh Elementary School (PWSID MD1180056) is an active non-transient non-community water system in St. Mary's County, Maryland. It reports serving 325 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 10 violations for this system; none is health-based, and the most recent began in July 2021.

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

Population served

325

Service connections

1

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDMD1180056
System typeNon-transient non-community water system
Activity statusActive
Population served325
Service connections1
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyMD state drinking water program
City served—
StateMaryland
ZIP—
CountySt. Mary's County

How does White Marsh Elementary School compare with other water systems in St. Mary's County?

By EPA's size categories, White Marsh Elementary School is a very small system (500 people or fewer). St. Mary's County has 194 active public water systems. Its population served is about half of the county average of 642 people per system, and accounts for 0.3% of the 124,635 people reported by systems filed under the county. Across Maryland, the 2,992 active systems average 1,947 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so White Marsh Elementary School is about 24% 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. Maryland has 491 active non-transient non-community water systems, 16% 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 White Marsh Elementary School?

EPA lists White Marsh Elementary School as owned by a local government. 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. 47 of the 194 active systems in St. Mary's County (24%) are also owned by a local government.

Does White Marsh Elementary School have drinking water violations?

EPA's records list 10 violations for this system; none is health-based, and the most recent began in July 2021. The violations listed here began between July 1993 and July 2021. By type: 7 monitoring and reporting, 2 monitoring and 1 reporting. The contaminant or rule involved most often is Lead and Copper Rule (4 of them). EPA lists 10 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
2021-07-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2021-01-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2016-04-01ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2013-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2013-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2013-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2013-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2005-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2002-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
1993-07-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved

All 10 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.

White Marsh Elementary School: frequently asked questions

Who runs White Marsh Elementary School?

White Marsh Elementary School (PWSID MD1180056) is a non-transient non-community water system owned by a local government. It is regulated by the MD state drinking water program.

How many people does White Marsh Elementary School serve?

White Marsh Elementary School reports serving 325 people through 1 service connection in St. Mary's County, Maryland.

Where does White Marsh Elementary School 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 White Marsh Elementary School have any drinking water violations?

EPA's records list 10 violations for this system; none is health-based, and the most recent began in July 2021. 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 White Marsh Elementary School'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 10 violations for this system; none is health-based, and the most recent began in July 2021. For current results, consult EPA ECHO, or the MD state drinking water program.

Where can I find White Marsh Elementary School's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. White Marsh Elementary School 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 St. Mary's County

Water systemCountyPopulation servedTypeSource
Lexington ParkSt. Mary's43,030CommunityGroundwater
Patuxent Naval Air Station (Navfac-Wash)St. Mary's22,000CommunityGroundwater
Town of LeonardtownSt. Mary's5,000CommunityGroundwater
Country LakesSt. Mary's3,016CommunityGroundwater
Cedar CoveSt. Mary's2,728CommunityGroundwater
Saint Marys CollegeSt. Mary's2,200CommunityGroundwater

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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, “White Marsh Elementary School, PWSID MD1180056, Maryland”, https://aquacensus.com/water-systems/maryland/white-marsh-elementary-school-md1180056 (data as of October 1, 2026).