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Marcellus (V)

Sewage treatment plant, Marcellus, New York. NPDES permit NY0020532, in force until Jan 31, 2028. Last 12 months: over a limit 3 times (last May 2026), 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form M monthly (33 values)
Renewal application due
Aug 4, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
March 2026Flow, in conduit or thru treatment plant, monthly average.509 MGD≤ .38 MGD34%
April 2026Flow, in conduit or thru treatment plant, monthly average.56 MGD≤ .38 MGD47%
May 2026Flow, in conduit or thru treatment plant, monthly average.448 MGD≤ .38 MGD18%

Limits in force (33)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)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≤ 95 lb/dall year
BOD, 5-day, 20 deg. C7-day average≤ 142 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≤ 95 lb/dall year
Solids, total suspended7-day average≤ 142 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]monthly averagereport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)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]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (lb/d)all year
Phosphorus, total [as P]rolling average≤ 3.2 lb/dall year
Nitrogen, ammonia, total [as NH3]monthly averagereport only (mg/L)all year
Nitrogen, ammonia, total [as NH3]monthly averagereport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly average≤ .38 MGDall year
Chlorine, total residualdaily maximum≤ .1 mg/LMar–Oct
Coliform, fecal general30-day geometric mean≤ 200 #/100mLMar–Oct
Coliform, fecal general7-day geometric mean≤ 400 #/100mLMar–Oct
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year
Solids, suspended percent removalmonthly average minimum≥ 85 %all year

How strict are these limits?

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

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NY0020532 · MCP: https://passage-data.com/mcp