Middleburg Wastewater Treatment Plant
500 E Washington St, Middleburg, VA 20117 · Loudoun County · Publicly Owned Treatment Works
- Average flow
- 0.1 MGD
- Design flow
- 0.25 MGD
- NPDES permit
- VA0024775
- Effective
- Permit expires
- January 2028
- Population served
- 781
- CWNS 2022
Middleburg Wastewater Treatment Plant is a publicly owned wastewater treatment works in Middleburg, Loudoun County, Virginia treating an average of 0.1 million gallons per day against a permitted design capacity of 0.25 MGD, serving about 781 residents. It discharges under NPDES permit VA0024775 (effective), which expires in January 2028, with 4 recorded violations in the last three years.
Treatment technology
Treatment structures and unit processes at Middleburg Wastewater Treatment Plant.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 4
- Effluent violations
- 4
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Middleburg Wastewater Treatment Plant.
No verified contacts on file yet
Klarifi verifies plant and municipal decision-makers continuously. Start a free trial to browse contacts at nearby plants and flag this one for verification.
Nearby wastewater treatment plants in Virginia
Aldie · 5 mi away
0.0036 MGD
Round Hill · 10 mi away
0.35 MGD
Marshall · 11 mi away
0.21 MGD
Hamilton · 12 mi away
0.09 MGD
Leesburg · 13 mi away
0.05 MGD
Leesburg · 13 mi away
—
Warrenton · 16 mi away
0.33 MGD
Berryville · 17 mi away
0.33 MGD
Middleburg Wastewater Treatment Plant: frequently asked questions
Sources and methodology
Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.
Data refreshed October 26, 2026; facility record last updated September 7, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Ozonation · Activated sludge · all terms