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Town of Woodstock

Sewage treatment plant, South Woodstock, Vermont. NPDES permit VT0100749 expired Sep 30, 2021; its limits still apply. Last 12 months: over a limit 2 times (last April 2026), 24 required values missing, 2 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (18 values)
Last report on file
July 2026
Oct 2024 – Sep 2025
1 value over a limit, 13 required values missing, 0 of 12 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
November 2025Solids, suspended percent removal, monthly minimum83.1≥ 85 %13%
April 2026Solids, suspended percent removal, monthly minimum78.3≥ 85 %45%

Limits in force (19)

ParameterStatisticLimitMonths
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 50 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 12.5 lb/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 18.5 lb/dall year
pHminimum≥ 6.5 SUall year
pHmaximum≤ 8.5 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendeddaily maximum≤ 50 mg/Lall year
Solids, total suspendedmonthly average≤ 12.5 lb/dall year
Solids, total suspendedweekly average≤ 18.5 lb/dall year
Solids, settleableinstantaneous maximum≤ 1 mL/Lall year
Nitrogen, total [as N]annual average≤ 2 lb/dDec
E. coli, thermotol, MF, MTECinstantaneous maximum≤ 77 #/100mLall year
Flow, in conduit or thru treatment plantannual average≤ .05 MGDall year
Chlorine, total residualdaily maximum≤ .1 mg/Lall year
BOD, 5-day, percent removalmonthly minimum≥ 85 %all year
Solids, suspended percent removalmonthly minimum≥ 85 %all year

How strict are these limits?

Cited limits by parameter: Vermont's rules and the federal ones.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/VT0100749 · MCP: https://passage-data.com/mcp