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Lebanon W W T F

Sewage treatment plant, major discharger, West Lebanon, New Hampshire. NPDES permit NH0100366 expired Nov 30, 2020; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (38 values), outfall 001 form T quarterly (10 values), outfall 010 form A yearly, outfall 022 form A yearly, outfall 023 form A yearly, outfall 024 form A yearly, and 3 more forms
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 20 reports late

Limits in force (67)

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≤ 796 lb/dall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 1327 lb/dall year001
BOD, 5-day, 20 deg. Cweekly average≤ 1194 lb/dall year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year001
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 8 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≤ 796 lb/dall year001
Solids, total suspendeddaily maximum≤ 1327 lb/dall year001
Solids, total suspendedweekly average≤ 1194 lb/dall year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, total suspendedmonthly averagereport only (lb/d)all year001
Nitrogen, total [as N]monthly averagereport only (mg/L)Mar–Sep001
Nitrogen, total [as N]monthly averagereport only (mg/L)Jan, Feb, Oct, Nov, Dec001
Nitrogen, total [as N]daily maximumreport only (mg/L)Mar–Sep001
Nitrogen, total [as N]daily maximumreport only (mg/L)Jan, Feb, Oct, Nov, Dec001
Nitrogen, total [as N]monthly averagereport only (lb/d)Mar–Sep001
Nitrogen, total [as N]monthly averagereport only (lb/d)Jan, Feb, Oct, Nov, Dec001
Nitrogen, total [as N]daily maximumreport only (lb/d)Mar–Sep001
Nitrogen, total [as N]daily maximumreport only (lb/d)Jan, Feb, Oct, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jul–Sep001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Mar–Sep001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Jan, Feb, Oct, Nov, Dec001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Mar–Sep001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Jan, Feb, Oct, Nov, Dec001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (lb/d)Mar–Sep001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (lb/d)Jan, Feb, Oct, Nov, Dec001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (lb/d)Mar–Sep001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (lb/d)Jan, Feb, Oct, Nov, Dec001
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)Mar–Sep001
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)Jan, Feb, Oct, Nov, Dec001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)Mar–Sep001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)Jan, Feb, Oct, Nov, Dec001
Nitrite + Nitrate total [as N]monthly averagereport only (lb/d)Mar–Sep001
Nitrite + Nitrate total [as N]monthly averagereport only (lb/d)Jan, Feb, Oct, Nov, Dec001
Nitrite + Nitrate total [as N]daily maximumreport only (lb/d)Mar–Sep001
Nitrite + Nitrate total [as N]daily maximumreport only (lb/d)Jan, Feb, Oct, Nov, Dec001
Hardness, total [as CaCO3]daily maximumreport only (mg/L)Jul–Sep001
Nickel, total recoverabledaily maximumreport only (mg/L)Jul–Sep001
Zinc, total recoverabledaily maximumreport only (mg/L)Jul–Sep001
Aluminum, total recoverabledaily maximumreport only (mg/L)Jul–Sep001
Cadmium, total recoverabledaily maximumreport only (mg/L)Jul–Sep001
Lead, total recoverabledaily maximumreport only (mg/L)Jul–Sep001
Copper, total recoverabledaily maximumreport only (mg/L)Jul–Sep001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualmonthly average≤ 1 mg/Lall year001
Chlorine, total residualdaily maximum≤ 1 mg/Lall year001
E. colimonthly geometric mean≤ 126 CFU/100mLall year001
E. colidaily maximum≤ 406 CFU/100mLall year001
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
LC50 Static Renewal 48Hr Acute Ceriodaphnia dubiadaily minimum≥ 50 %Jul–Sep001
LC50 Static Renewal 48Hr Acute Pimephales promelasdaily minimum≥ 50 %Jul–Sep001
E. colidaily maximum≤ 1000 CFU/100mLall year010
E. colidaily maximum≤ 1000 CFU/100mLall year022
E. colidaily maximum≤ 1000 CFU/100mLall year023
E. colidaily maximum≤ 1000 CFU/100mLall year024
E. colidaily maximum≤ 1000 CFU/100mLall year026
E. colidaily maximum≤ 1000 CFU/100mLall year027
E. colidaily maximum≤ 1000 CFU/100mLall year0ZZ

How strict are these limits?

Cited limits by parameter: New Hampshire'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/NH0100366 · MCP: https://passage-data.com/mcp