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Community Water System · PWS VA6107010

Aldie Water Company

Aldie, Virginia 20105 - drinking water served from groundwater sources to 70 people, tracked in EPA SDWIS and UCMR5.

70
People served
558
EPA violations
12
Health-based
Untested
UCMR5 result

The verdict

EPA records 558 drinking-water violations at Aldie Water Company, 2% of them health-based - above the Virginia per-system average.

558
Total EPA violations on record
2%
Health-based (MCL / treatment failure)
70
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Aldie Water Company

Aldie Water Company is a private-owned community water system that delivers drinking water to 70 residents in Aldie, Virginia (Loudoun County) through 39 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 558 total violations for this system , of which 12 (2%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 526 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is 1,2,4-Trichlorobenzene, recorded in 16 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Virginia, EPA tracks 2,821 public water systems serving 7,911,199 people, with 146,670 cumulative violations and 25,642 health-based violations on record. About 90% of systems in the state carry at least one violation, and state-wide the average per system is 52 violations. Statewide, 70 of 171 UCMR5-tested systems have reported PFAS detections (40.9%).

Aldie Water Company's 558 violations sit above the Virginia average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
70
Total Violations
558
Health-Based Violations
12
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
39
County
Loudoun
School/Daycare
No
MCL Violations
9
Monitoring Violations
526
Treatment Tech Violations
3

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
1,2,4-Trichlorobenzene MR 16 2003
cis-1,2-Dichloroethylene MR 16 2003
p-Dichlorobenzene MR 16 2003
Carbon tetrachloride MR 16 2003
1,2-Dichloropropane MR 16 2003
Trichloroethylene MR 16 2003
Ethylbenzene MR 16 2003
Styrene MR 16 2003
DICHLOROMETHANE MR 16 2003
1,1-Dichloroethylene MR 16 2003
1,1,2-Trichloroethane MR 16 2003
CHLOROBENZENE MR 16 2003
Toluene MR 16 2003
Xylenes, Total MR 16 2003
1,1,1-Trichloroethane MR 16 2003
Tetrachloroethylene MR 16 2003
o-Dichlorobenzene MR 16 2003
trans-1,2-Dichloroethylene MR 16 2003
1,2-Dichloroethane MR 16 2003
Gross Alpha, Excl. Radon and U MR 16 2003
Combined Uranium MR 16 2003
Combined Radium (-226 and -228) MR 16 2003
Benzene MR 16 2003
Vinyl chloride MR 16 2003
Consumer Confidence Rule Other 14 2025
Mercury MR 12 2005
Barium MR 12 2005
Cadmium MR 12 2005
Coliform (TCR) MR 12 2003
Fluoride MR 12 2005

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Aldie Water Company.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID VA6107010 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Virginia Drinking Water Authority

Virginia Department of Health, Office of Drinking Water is the primacy agency that licenses and inspects Aldie Water Company under EPA-delegated authority.

Open VA regulator portal

Source: Virginia Department of Health, Office of Drinking Water

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2025 Consumer Confidence Rule Other 14 SDWIS / VA6107010 / 7000
2007 Nitrate-Nitrite MR 8 SDWIS / VA6107010 / 1038
2005 Mercury MR 12 SDWIS / VA6107010 / 1035
2005 Barium MR 12 SDWIS / VA6107010 / 1010
2005 Cadmium MR 12 SDWIS / VA6107010 / 1015
2005 Fluoride MR 12 SDWIS / VA6107010 / 1025
2005 Chromium MR 12 SDWIS / VA6107010 / 1020
2005 Arsenic MR 12 SDWIS / VA6107010 / 1005
2005 Selenium MR 12 SDWIS / VA6107010 / 1045
2005 Beryllium, Total MR 8 SDWIS / VA6107010 / 1075
2005 Antimony, Total MR 8 SDWIS / VA6107010 / 1074
2005 Thallium, Total MR 8 SDWIS / VA6107010 / 1085
2005 Nickel MR 8 SDWIS / VA6107010 / 1036
2003 1,2,4-Trichlorobenzene MR 16 SDWIS / VA6107010 / 2378
2003 cis-1,2-Dichloroethylene MR 16 SDWIS / VA6107010 / 2380

How Aldie Water Company Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Aldie Water Company Virginia avg Federal benchmark
Total violations 558 52 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 12 9.1 Indicates a contaminant exceeded a federal MCL
PFAS detection None 40.9% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 70 2,804 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,821 regulated public water systems in Virginia.

Federal MCL reference, Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Aldie Water Company water safe to drink?
Aldie Water Company (PWS ID: VA6107010) has 558 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 70 people using Groundwater sources.
How many people does Aldie Water Company serve?
Aldie Water Company serves 70 people in Aldie, Virginia. It is a Private-owned system using Groundwater water sources with 39 service connections.
What type of violations does Aldie Water Company have?
Aldie Water Company has 558 total violations: 12 health-based violations (MCL exceedances or treatment failures), 526 monitoring/reporting violations, and 3 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Aldie Water Company water?
No PFAS testing data is available for Aldie Water Company under the EPA's UCMR5 monitoring program.
What water source does Aldie Water Company use?
Aldie Water Company uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.