Hamilton Sewage Treatment Plan
Hamilton, VA · Loudoun County · Publicly Owned Treatment Works
- Average flow
- 0.08 MGD
- Design flow
- 0.16 MGD
- NPDES permit
- VA0020974
- Effective
- Permit expires
- August 2027
- Population served
- 638
- CWNS 2022
Hamilton Sewage Treatment Plan is a publicly owned wastewater treatment works in Hamilton, Loudoun County, Virginia treating an average of 0.08 million gallons per day against a permitted design capacity of 0.16 MGD, serving about 638 residents. It discharges under NPDES permit VA0020974 (effective), which expires in August 2027, with 14 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 14
- Effluent violations
- 14
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Hamilton Sewage Treatment Plan.
No verified contacts on file yet
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Nearby wastewater treatment plants in Virginia
Round Hill · 5 mi away
0.36 MGD
Lucketts · 9 mi away
0.0012 MGD
Leesburg · 11 mi away
—
Aldie · 11 mi away
0.002 MGD
Middleburg · 12 mi away
0.08 MGD
Berryville · 16 mi away
0.32 MGD
Boyce · 22 mi away
0.05 MGD
Marshall · 22 mi away
0.16 MGD
Hamilton Sewage Treatment Plan: 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 September 11, 2026; facility record last updated September 8, 2026.