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Town of Shelburne

Sewage treatment plant, Shelburne, Vermont. NPDES permit VT0100820 expired Dec 31, 2022; its limits still apply. Last 12 months: over a limit once (last December 2025), 59 required values missing, 10 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (20 values)
Last report on file
July 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 10 of 12 reports late

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

Period endingParameterReportedLimitOver by
December 2025E. coli, thermotol, MF, MTEC, instantaneous maximum488≤ 77 #/100mL534%

Limits in force (25)

ParameterStatisticLimitMonths
Oxygen demand, ultimatedaily maximum≤ 482 lb/dJun–Sep
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≤ 113 lb/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 169 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≤ 113 lb/dall year
Solids, total suspendedweekly average≤ 169 lb/dall year
Solids, settleableinstantaneous maximum≤ 1 mL/Lall year
Nitrogen, ammonia total [as N]instantaneous maximum≤ 27.3 mg/LJan, Feb, Mar, Apr, May, Oct, Nov, Dec
Nitrogen, ammonia total [as N]instantaneous maximum≤ 6.6 mg/LJun–Sep
Nitrogen, ammonia total [as N]monthly average≤ 27 lb/dJan, Feb, Mar, Apr, May, Oct, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 6.3 lb/dJun–Sep
Nitrogen, ammonia total [as N]daily maximum≤ 70.6 lb/dJan, Feb, Mar, Apr, May, Oct, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 36.2 lb/dJun–Sep
Phosphorus, total [as P]annual total≤ 401 lb/yrDec
E. coli, thermotol, MF, MTECinstantaneous maximum≤ 77 #/100mLall year
Flow, in conduit or thru treatment plantannual average≤ .66 MGDDec
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/VT0100820 · MCP: https://passage-data.com/mcp