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City of Burlington

Sewage treatment plant, major discharger, Burlington, Vermont. NPDES permit VT0100153 expired Jun 30, 2010; its limits still apply. Last 12 months: over a limit 4 times (last July 2026), 46 required values missing, 10 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (23 values), outfall 002 form A monthly (10 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
10 values over a limit, 69 required values missing, 24 of 24 reports late

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

Period endingOutfallParameterReportedLimitOver by
October 2025001Chlorine, total residual, instantaneous maximum1.33≤ .76 mg/L75%
October 2025001Chlorine, total residual, instantaneous maximum1.33≤ .76 mg/L75%
March 2026001Chlorine, total residual, weekly average.45≤ .44 mg/L2%
July 2026002E. coli, thermotol, MF, MTEC, instantaneous maximum6500≤ 6160 #/100mL6%

Limits in force (35)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 50 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 1000 lb/dall year001
BOD, 5-day, 20 deg. Cweekly average≤ 1500 lb/dall year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 8.5 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendeddaily maximum≤ 50 mg/Lall year001
Solids, total suspendedmonthly average≤ 1000 lb/dall year001
Solids, total suspendedweekly average≤ 1500 lb/dall year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, settleableinstantaneous maximum≤ 1 mL/Lall year001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]monthly average≤ .8 mg/Lall year001
Phosphorus, total [as P]annual total≤ 9682 lb/dDec001
E. coli, thermotol, MF, MTECinstantaneous maximum≤ 77 #/100mLall year001
Flow, in conduit or thru treatment plantannual average≤ 5.3 MGDall year001
Chlorine, total residualweekly average≤ .44 mg/Lall year001
Chlorine, total residualinstantaneous maximum≤ .76 mg/Lall year001
BOD, 5-day, percent removalmonthly minimum≥ 85 %all year001
Solids, suspended percent removalmonthly minimum≥ 85 %all year001
BOD, 5-day, 20 deg. Cinstantaneous maximumreport only (mg/L)all year002
pHminimumreport only (SU)all year002
pHmaximumreport only (SU)all year002
Solids, total suspendedinstantaneous maximum≤ 800 mg/Lall year002
Solids, settleableinstantaneous maximumreport only (mL/L)all year002
Nitrogen, ammonia total [as N]instantaneous maximumreport only (mg/L)all year002
Phosphorus, total [as P]instantaneous maximumreport only (mg/L)all year002
E. coli, thermotol, MF, MTECinstantaneous maximum≤ 6160 #/100mLall year002
Oxidants, total residualinstantaneous maximum≤ .83 mg/LJan–Mar002
Oxidants, total residualinstantaneous maximum≤ .97 mg/LApr–Dec002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002

How strict are these limits?

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

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Your permit document is the final word. As JSON: /api/v1/permits/VT0100153 · MCP: https://passage-data.com/mcp