Middlebury Wastewater Treatment Facility
243 Industrial Avenue, Middlebury, VT 05753 · Addison County · Publicly Owned Treatment Works
- Average flow
- 1.13 MGD
- Design flow
- —
- NPDES permit
- VT0100188
- Administratively continued
- Permit expires
- September 2013
- Population served
- 8,500
- CWNS 2022
Middlebury Wastewater Treatment Facility is a publicly owned wastewater treatment works in Middlebury, Addison County, Vermont treating an average of 1.13 million gallons per day, serving about 8,500 residents. It discharges under NPDES permit VT0100188 (administratively continued), which expires in September 2013, with 12 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in April 2016.
Treatment technology
5 treatment structures and unit processes identified, 1 planned upgrade on record at Middlebury Wastewater Treatment Facility.
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See the full treatment train at Middlebury Wastewater Treatment Facility: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 12
- Effluent violations
- 12
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Middlebury Wastewater Treatment Facility in EPA's ICIS system.
- Formal actions
- 1
- 0 since FY2020
- Compliance actions
- $2M
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Apr 2016
MIDDLEBURY VT TOWN OF
Administrative order · CWA, NPDES Permit Violations · Final Order No Penalty · Compliance actions $2M
EPA's description of the case:
“Town has regular sanitay sewer overflows in wet weather, into impaired water body, in violation of NPDES permit. Order requires Town to investigate sources of excess wet weather flow, and create and…”
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Source: EPA ECHO, civil enforcement case 01-2016-2018.
Full case history with a free Klarifi account
Every action against Middlebury Wastewater Treatment Facility with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
2 verified contacts for Middlebury Wastewater Treatment Facility, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Middlebury Wastewater Treatment Facility, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Vermont
Vergennes · 10 mi away
0.3 MGD
Brandon · 18 mi away
0.36 MGD
Orwell · 18 mi away
0.01 MGD
Hinesburg · 20 mi away
0.16 MGD
Shelburne · 24 mi away
0.33 MGD
Benson · 24 mi away
0.02 MGD
Pittsford · 25 mi away
0.03 MGD
Shelburne · 25 mi away
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Middlebury Wastewater Treatment Facility: 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 19, 2026; facility record last updated May 29, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Significant industrial user · WWTP · all terms