Public water system · VA6107700
ActiveStoneleigh
At a glance
Stoneleigh (PWSID VA6107700) is an active community water system in Loudoun County, Virginia. It reports serving 438 people through 140 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
438
Service connections
140
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Stoneleigh compare with other water systems in Loudoun County?
By EPA's size categories, Stoneleigh 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 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 community water system reports serving 6,703 people, so Stoneleigh is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Virginia has 844 active community water systems, 35% 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 Stoneleigh?
EPA lists Stoneleigh as owned by a local government. 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. 14 of the 92 active systems in Loudoun County (15%) are also owned by a local government.
Does Stoneleigh have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Stoneleigh. For the latest compliance status, check EPA ECHO for current compliance history.
Stoneleigh: frequently asked questions
Who runs Stoneleigh?
Stoneleigh (PWSID VA6107700) is a community water system owned by a local government. It is regulated by the VA state drinking water program.
How many people does Stoneleigh serve?
Stoneleigh reports serving 438 people through 140 service connections in Loudoun County, Virginia.
Where does Stoneleigh 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 Stoneleigh have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Stoneleigh'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 Safe Drinking Water Act records list no violations for this system. For current results, consult the system's annual water quality report, EPA ECHO, or the VA state drinking water program.
Where can I find Stoneleigh's water quality report?
As a community water system, Stoneleigh must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Loudoun County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Loudoun Water - Central System | Loudoun | 334,808 | Community | Surface water |
| Leesburg, Town of | Loudoun | 65,028 | Community | Surface water |
| Purcellville, Town of | Loudoun | 8,929 | Community | Surface water |
| Round Hill, Town of | Loudoun | 5,055 | Community | Groundwater |
| Lovettsville, Town of | Loudoun | 2,964 | Community | Groundwater |
| Hamilton, Town of | Loudoun | 2,240 | Community | Groundwater |
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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, “Stoneleigh, PWSID VA6107700, Virginia”, https://aquacensus.com/water-systems/virginia/stoneleigh-va6107700 (data as of October 1, 2026).