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Public water system · VA6107535

Active

Patowmack Farm

At a glance

Patowmack Farm (PWSID VA6107535) is an active transient non-community water system in Loudoun County, Virginia. It reports serving 50 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2014.

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

Population served

50

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDVA6107535
System typeTransient non-community water system
Activity statusActive
Population served50
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyVA state drinking water program
City served—
StateVirginia
ZIP—
CountyLoudoun County

How does Patowmack Farm compare with other water systems in Loudoun County?

By EPA's size categories, Patowmack Farm is a very small system (500 people or fewer). Loudoun County has 92 active public water systems. Its population served is well below the county average of 4,681 people per system, and accounts for less than 0.1% of the 430,687 people reported by systems filed under the county. Across Virginia, the 2,420 active systems average 3,122 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Patowmack Farm is about 65% 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. Virginia has 1,133 active transient non-community water systems, 47% of the state's 2,420 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,089 Virginia systems (86%) list groundwater as their primary source.

Who owns and regulates Patowmack Farm?

EPA lists Patowmack Farm as privately owned. The VA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 76 of the 92 active systems in Loudoun County (83%) are also privately owned.

Does Patowmack Farm have drinking water violations?

EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2014. The violations listed here began between April 2010 and January 2014. By type: 3 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 3 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
2014-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2011-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2010-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

All 3 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.

Patowmack Farm: frequently asked questions

Who runs Patowmack Farm?

Patowmack Farm (PWSID VA6107535) is a transient non-community water system privately owned. It is regulated by the VA state drinking water program.

How many people does Patowmack Farm serve?

Patowmack Farm reports serving 50 people through 1 service connection in Loudoun County, Virginia.

Where does Patowmack Farm 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 Patowmack Farm have any drinking water violations?

EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2014. 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 Patowmack Farm'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 3 violations for this system; none is health-based, and the most recent began in January 2014. For current results, consult EPA ECHO, or the VA state drinking water program.

Where can I find Patowmack Farm's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Patowmack Farm 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 Loudoun County

Water systemCountyPopulation servedTypeSource
Loudoun Water - Central SystemLoudoun334,808CommunitySurface water
Leesburg, Town ofLoudoun65,028CommunitySurface water
Purcellville, Town ofLoudoun8,929CommunitySurface water
Round Hill, Town ofLoudoun5,055CommunityGroundwater
Lovettsville, Town ofLoudoun2,964CommunityGroundwater
Hamilton, Town ofLoudoun2,240CommunityGroundwater

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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, “Patowmack Farm, PWSID VA6107535, Virginia”, https://aquacensus.com/water-systems/virginia/patowmack-farm-va6107535 (data as of October 1, 2026).