Chelsea Wastewater Treatment Facility
234 Vt Rte 110, Chelsea, VT 05038 · Orange County · Publicly Owned Treatment Works
- Average flow
- 0.02 MGD
- Design flow
- —
- NPDES permit
- VT0100943
- Expired
- Permit expires
- June 2021
- Population served
- 463
- CWNS 2022
Chelsea Wastewater Treatment Facility is a publicly owned wastewater treatment works in Chelsea, Orange County, Vermont treating an average of 0.02 million gallons per day, serving about 463 residents. It discharges under NPDES permit VT0100943 (expired), which expires in June 2021, with 3 recorded violations in the last three years.
Treatment technology
5 treatment structures and unit processes identified at Chelsea Wastewater Treatment Facility.
Available with a free Klarifi account
See the full treatment train at Chelsea Wastewater Treatment Facility: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 3
- Effluent violations
- 3
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Chelsea Wastewater Treatment Facility.
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Nearby wastewater treatment plants in Vermont
Williamstown · 11 mi away
0.11 MGD
Randolph · 11 mi away
0.17 MGD
South Royalton · 13 mi away
0.03 MGD
Bethel · 14 mi away
0.04 MGD
Bradford · 16 mi away
0.06 MGD
Northfield · 16 mi away
0.48 MGD
Montpelier · 20 mi away
1.92 MGD
Plainfield · 20 mi away
0.08 MGD
Chelsea 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 26, 2026; facility record last updated October 5, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Ozonation · Activated sludge · all terms