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City of Burlington

Sewage treatment plant, major discharger, Burlington, Vermont. NPDES permit VT0100307 expired Sep 30, 2009; its limits still apply. Last 12 months: over a limit 3 times (last June 2026), 19 required values missing, 5 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (27 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
4 values over a limit, 59 required values missing, 12 of 12 reports late

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

Period endingParameterReportedLimitOver by
October 2025Chlorine, total residual, instantaneous maximum1.59≤ 1.1 mg/L45%
June 2026Chlorine, total residual, instantaneous maximum1.85≤ 1.1 mg/L68%
June 2026E. coli, thermotol, MF, MTEC, instantaneous maximum96≤ 77 #/100mL25%

Limits in force (29)

ParameterStatisticLimitMonths
Oxygen demand, ultimatedaily maximum≤ 700 lb/dJun–Oct
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≤ 250 lb/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 375 lb/dall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
pHminimum≥ 6 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≤ 250 lb/dall year
Solids, total suspendedweekly average≤ 375 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, settleableinstantaneous maximum≤ 1 mL/Lall year
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (lb/d)Jun–Oct
Phosphorus, total [as P]monthly average≤ .8 mg/Lall year
Phosphorus, total [as P]annual total≤ 2191 lb/yrDec
Copper, total [as Cu]daily maximumreport only (mg/L)all year
Copper, total [as Cu]daily maximumreport only (lb/d)all year
Zinc, total [as Zn]daily maximumreport only (mg/L)all year
Zinc, total [as Zn]daily maximumreport only (lb/d)all year
E. coli, thermotol, MF, MTECinstantaneous maximum≤ 77 #/100mLJan, Feb, Mar, Apr, May, Nov, Dec
E. coli, thermotol, MF, MTECinstantaneous maximum≤ 77 #/100mLJun–Oct
Flow, in conduit or thru treatment plantannual average≤ 1.2 MGDall year
Chlorine, total residualinstantaneous maximum≤ 1.1 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.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/VT0100307 · MCP: https://passage-data.com/mcp