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Public water system · VA6107365

Active

Loudoun Milling Company

At a glance

Loudoun Milling Company (PWSID VA6107365) is an active transient non-community water system in Loudoun County, Virginia. It reports serving 30 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 not health-based, and the most recent began in April 2020.

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

Population served

30

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDVA6107365
System typeTransient non-community water system
Activity statusActive
Population served30
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyVA state drinking water program
City served—
StateVirginia
ZIP—
CountyLoudoun County

How does Loudoun Milling Company compare with other water systems in Loudoun County?

By EPA's size categories, Loudoun Milling Company 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 Loudoun Milling Company is well 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 Loudoun Milling Company?

EPA lists Loudoun Milling Company 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 Loudoun Milling Company have drinking water violations?

EPA's records list one violation for this system; it is not health-based, and the most recent began in April 2020. By type: 1 monitoring. The contaminant or rule involved is Revised Total Coliform Rule. 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
2020-04-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved

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.

Loudoun Milling Company: frequently asked questions

Who runs Loudoun Milling Company?

Loudoun Milling Company (PWSID VA6107365) is a transient non-community water system privately owned. It is regulated by the VA state drinking water program.

How many people does Loudoun Milling Company serve?

Loudoun Milling Company reports serving 30 people through 1 service connection in Loudoun County, Virginia.

Where does Loudoun Milling Company 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 Loudoun Milling Company have any drinking water violations?

EPA's records list one violation for this system; it is not health-based, and the most recent began in April 2020. 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 Loudoun Milling Company'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 not health-based, and the most recent began in April 2020. For current results, consult EPA ECHO, or the VA state drinking water program.

Where can I find Loudoun Milling Company's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Loudoun Milling Company 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, “Loudoun Milling Company, PWSID VA6107365, Virginia”, https://aquacensus.com/water-systems/virginia/loudoun-milling-company-va6107365 (data as of October 1, 2026).