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Owego (T)

Sewage treatment plant, major discharger, Apalachin, New York. NPDES permit NY0025798, in force until Apr 30, 2028. Last 12 months: over a limit 3 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form M monthly (49 values), form Q quarterly (4 values), form T quarterly
Renewal application due
Nov 2, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
4 values over a limit, 0 required values missing, 0 of 17 reports late

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

Period endingParameterReportedLimitOver by
March 2026BOD, 5-day, percent removal, monthly average minimum81 %≥ 85 %27%
March 2026Flow, in conduit or thru treatment plant, monthly average2.1 MGD≤ 2 MGD5%
August 2026Coliform, fecal general, 7-day geometric mean517 #/100mL≤ 400 #/100mL29%

Limits in force (57)

ParameterStatisticLimitMonths
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≤ 500 lb/dall year
BOD, 5-day, 20 deg. C7-day average≤ 750 lb/dall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. C7-day averagereport only (mg/L)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspended7-day average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 500 lb/dall year
Solids, total suspended7-day average≤ 750 lb/dall year
Solids, total suspended30-day averagereport only (mg/L)all year
Solids, total suspended7-day averagereport only (mg/L)all year
Solids, settleabledaily maximum≤ .3 mL/Lall year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (lb/d)all year
Nitrogen, total [as N]monthly totalreport only (lb/mo)all year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (lb/d)all year
Nitrogen, total [as N]12-month total≤ 56000 lb/yrall year
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]daily maximumreport only (lb/d)all year
Nitrogen, nitrite total [as N]monthly averagereport only (mg/L)all year
Nitrogen, nitrite total [as N]monthly averagereport only (lb/d)all year
Nitrogen, nitrite total [as N]monthly averagereport only (mg/L)all year
Nitrogen, nitrite total [as N]monthly averagereport only (lb/d)all year
Nitrogen, nitrate total [as N]monthly averagereport only (mg/L)all year
Nitrogen, nitrate total [as N]monthly averagereport only (lb/d)all year
Nitrogen, nitrate total [as N]monthly averagereport only (mg/L)all year
Nitrogen, nitrate total [as N]monthly averagereport only (lb/d)all year
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (lb/d)all year
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (lb/d)all year
Phosphorus, total [as P]monthly average≤ 1 mg/Lall year
Phosphorus, total [as P]monthly averagereport only (lb/d)all year
Phosphorus, total [as P]monthly totalreport only (lb/mo)all year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (lb/d)all year
Phosphorus, total [as P]12-month total≤ 3040 lb/yrall year
Copper, total [as Cu]daily maximumreport only (ug/L)all year
Copper, total [as Cu]daily maximumreport only (lb/d)all year
Flow, in conduit or thru treatment plantmonthly average≤ 2 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualdaily maximum≤ 2 mg/LMay–Oct
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 15 tox acute (alert, not enforceable)all year
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 100 tox chronic (alert, not enforceable)all year
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 15 tox acute (alert, not enforceable)all year
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 100 tox chronic (alert, not enforceable)all year
Mercury, total [as Hg]daily maximum≤ 50 ng/Lall year
Coliform, fecal general30-day geometric mean≤ 200 #/100mLMay–Oct
Coliform, fecal general7-day geometric mean≤ 400 #/100mLMay–Oct
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/NY0025798 · MCP: https://passage-data.com/mcp