Jeffersonville W W T F
Vergennes, VT · Addison County · Publicly Owned Treatment Works
- Average flow
- 0.02 MGD
- Design flow
- —
- NPDES permit
- VT0101150
- Expired
- Permit expires
- June 2023
- Population served
- 585
- CWNS 2022
Jeffersonville W W T F is a publicly owned wastewater treatment plant in Vergennes, Addison County, Vermont treating an average of 0.02 million gallons per day, serving about 585 residents. Treatment on site includes aerated lagoons, disinfection, chlorine/ chloramine, lagoon, aerobic. It discharges under NPDES permit VT0101150 (expired), which expires in June 2023, with 30 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Aerated lagoons
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Disinfection, chlorine/ chloramine
unit processLagoon, Aerobic
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Compliance snapshot (last 3 years)
- Total violations
- 30
- Effluent violations
- 30
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Jeffersonville W W T F, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Jeffersonville W W T F, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Vermont
Johnson · 7 mi away
0.05 MGD
Fairfax · 9 mi away
0.04 MGD
Morrisville · 12 mi away
0.23 MGD
Stowe · 14 mi away
0.28 MGD
Milton · 14 mi away
0.25 MGD
St Albans · 18 mi away
0.02 MGD
St Albans · 18 mi away
1.77 MGD
Essex Junction · 18 mi away
1.67 MGD
Jeffersonville W W T F: 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 November 8, 2025.