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Community Water System · PWS VA6107200

Hillsboro, Town Of

Hillsboro, Virginia 20132 - drinking water served from groundwater sources to 88 people, tracked in EPA SDWIS and UCMR5.

88
People served
1,416
EPA violations
40
Health-based
Untested
UCMR5 result

The verdict

EPA records 1,416 drinking-water violations at Hillsboro, Town Of, 3% of them health-based - above the Virginia per-system average.

1,416
Total EPA violations on record
3%
Health-based (MCL / treatment failure)
88
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Hillsboro, Town Of

Hillsboro, Town Of is a local-owned community water system that delivers drinking water to 88 residents in Hillsboro, Virginia (Loudoun County) through 32 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 1,416 total violations for this system , of which 40 (3%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 1,271 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 122 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%).

Hillsboro, Town Of's 1,416 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
88
Total Violations
1,416
Health-Based Violations
40
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
32
County
Loudoun
School/Daycare
No
MCL Violations
13
Monitoring Violations
1,271
Treatment Tech Violations
27

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 122 2011
Public Notice Other 69 2010
Chlorine MR 57 2011
1,2,4-Trichlorobenzene MR 39 2011
cis-1,2-Dichloroethylene MR 39 2011
Vinyl chloride MR 39 2011
1,1-Dichloroethylene MR 39 2011
trans-1,2-Dichloroethylene MR 39 2011
1,2-Dichloroethane MR 39 2011
1,1,1-Trichloroethane MR 39 2011
1,2-Dichloropropane MR 39 2011
Trichloroethylene MR 39 2011
1,1,2-Trichloroethane MR 39 2011
Tetrachloroethylene MR 39 2011
CHLOROBENZENE MR 39 2011
Benzene MR 39 2011
Toluene MR 39 2011
Ethylbenzene MR 39 2011
Styrene MR 39 2011
Xylenes, Total MR 39 2011
o-Dichlorobenzene MR 39 2011
p-Dichlorobenzene MR 39 2011
DICHLOROMETHANE MR 39 2011
Carbon tetrachloride MR 39 2011
Gross Alpha, Excl. Radon and U MR 33 2011
Combined Uranium MR 33 2011
Combined Radium (-226 and -228) MR 33 2011
TTHM MR 19 2010
Total Haloacetic Acids (HAA5) MR 19 2010
Nitrate-Nitrite MR 18 2010

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 Hillsboro, Town Of.

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 VA6107200 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 Hillsboro, Town Of 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
2024 Revised Total Coliform Rule RPT 4 SDWIS / VA6107200 / 8000
2011 Coliform (TCR) MR 122 SDWIS / VA6107200 / 3100
2011 Chlorine MR 57 SDWIS / VA6107200 / 0999
2011 1,2,4-Trichlorobenzene MR 39 SDWIS / VA6107200 / 2378
2011 cis-1,2-Dichloroethylene MR 39 SDWIS / VA6107200 / 2380
2011 Vinyl chloride MR 39 SDWIS / VA6107200 / 2976
2011 1,1-Dichloroethylene MR 39 SDWIS / VA6107200 / 2977
2011 trans-1,2-Dichloroethylene MR 39 SDWIS / VA6107200 / 2979
2011 1,2-Dichloroethane MR 39 SDWIS / VA6107200 / 2980
2011 1,1,1-Trichloroethane MR 39 SDWIS / VA6107200 / 2981
2011 1,2-Dichloropropane MR 39 SDWIS / VA6107200 / 2983
2011 Trichloroethylene MR 39 SDWIS / VA6107200 / 2984
2011 1,1,2-Trichloroethane MR 39 SDWIS / VA6107200 / 2985
2011 Tetrachloroethylene MR 39 SDWIS / VA6107200 / 2987
2011 CHLOROBENZENE MR 39 SDWIS / VA6107200 / 2989

How Hillsboro, Town Of Compares

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

Metric Hillsboro, Town Of Virginia avg Federal benchmark
Total violations 1,416 52 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 40 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 88 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 Hillsboro, Town Of water safe to drink? ▼
Hillsboro, Town Of (PWS ID: VA6107200) has 1416 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 88 people using Groundwater sources.
How many people does Hillsboro, Town Of serve? ▼
Hillsboro, Town Of serves 88 people in Hillsboro, Virginia. It is a Local-owned system using Groundwater water sources with 32 service connections.
What type of violations does Hillsboro, Town Of have? ▼
Hillsboro, Town Of has 1,416 total violations: 40 health-based violations (MCL exceedances or treatment failures), 1,271 monitoring/reporting violations, and 27 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Hillsboro, Town Of water? ▼
No PFAS testing data is available for Hillsboro, Town Of under the EPA's UCMR5 monitoring program.
What water source does Hillsboro, Town Of use? ▼
Hillsboro, Town Of 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.

Read our methodology - how this data is sourced, computed, and verified.

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.