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Fredonia (V)

Sewage treatment plant, major discharger, Dunkirk, New York. NPDES permit NY0026409 expired Mar 31, 2018; its limits still apply. Last 12 months: over a limit 5 times (last April 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form M monthly (29 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
4 values over a limit, 0 required values missing, 0 of 15 reports late

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

Period endingParameterReportedLimitOver by
November 2025Coliform, fecal general, 7-day geometric mean686.7 #/100mL≤ 400 #/100mL72%
March 2026BOD, 5-day, percent removal, monthly average minimum83.5 %≥ 85 %10%
March 2026Flow, in conduit or thru treatment plant, monthly average3.5 MGD≤ 3.3 MGD6%
April 2026BOD, 5-day, percent removal, monthly average minimum77 %≥ 85 %53%
April 2026Flow, in conduit or thru treatment plant, monthly average3.9 MGD≤ 3.3 MGD18%

Limits in force (29)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. C7-day average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 825 lb/dall year
BOD, 5-day, 20 deg. C7-day average≤ 1238 lb/dall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
pHminimumreport only (SU)all year
pHmaximumreport only (SU)all year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspended7-day average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 825 lb/dall year
Solids, total suspended7-day average≤ 1238 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, settleabledaily maximum≤ .3 mL/Lall year
Solids, settleabledaily maximumreport only (mL/L)all year
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]monthly average≤ 1 mg/Lall year
Nitrogen, ammonia, total [as NH3]daily maximumreport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly average≤ 3.3 MGDall year
Chlorine, total residualdaily maximum≤ 2 mg/Lall year
Enterococci30-day geometric meanreport only (#/100mL)all year
Enterococci7-day geometric meanreport only (#/100mL)all year
Coliform, fecal general30-day geometric mean≤ 200 #/100mLall year
Coliform, fecal general7-day geometric mean≤ 400 #/100mLall year
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year
Solids, suspended percent removalmonthly average minimum≥ 85 %all year

Cited limits by parameter: New York'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/NY0026409 · MCP: https://passage-data.com/mcp