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City of Barre

Sewage treatment plant, major discharger, Barre, Vermont. NPDES permit VT0100889 expired Sep 30, 2025; its limits still apply. Last 12 months: no values over a limit, 25 required values missing, 2 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (30 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 2 required values missing, 2 of 12 reports late

Limits in force (36)

ParameterStatisticLimitMonths
Oxygen demand, ultimatemonthly average≤ 1000 lb/dJun–Oct
Oxygen demand, ultimatedaily maximum≤ 1500 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≤ 600 lb/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 1100 lb/dall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all 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≤ 600 lb/dall year
Solids, total suspendedweekly average≤ 1100 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, settleableinstantaneous maximum≤ 1 mL/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 1.2 mg/LJun–Oct
Nitrogen, ammonia total [as N]monthly average≤ 3.2 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 2.5 mg/LJun–Oct
Nitrogen, ammonia total [as N]daily maximum≤ 5.6 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 43 lb/dJun–Oct
Nitrogen, ammonia total [as N]monthly average≤ 109 lb/dJan, Feb, Mar, Apr, May, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 86 lb/dJun–Oct
Nitrogen, ammonia total [as N]daily maximum≤ 188 lb/dJan, Feb, Mar, Apr, May, Nov, Dec
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Jun–Oct
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≤ 2436 lb/yrDec
E. coli, thermotol, MF, MTECinstantaneous maximum≤ 77 #/100mLall year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantannual average≤ 4 MGDDec
Chlorine, total residualmonthly average≤ .02 mg/Lall year
Chlorine, total residualdaily maximum≤ .04 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/VT0100889 · MCP: https://passage-data.com/mcp