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South Corning (V)

Sewage treatment plant, South Corning, New York. NPDES permit NY0110531, in force until May 31, 2027. Last 12 months: over a limit 3 times (last July 2026), 7 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form M monthly (30 values)
Renewal application due
Dec 2, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 8 of 12 reports late

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

Period endingParameterReportedLimitOver by
May 2026Coliform, fecal general, 30-day geometric mean2419 #/100mL≤ 200 #/100mL1110%
May 2026Coliform, fecal general, 7-day geometric mean2419 #/100mL≤ 400 #/100mL505%
July 2026Coliform, fecal general, 30-day geometric mean209.8 #/100mL≤ 200 #/100mL5%

Limits in force (30)

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. C30-day average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. C7-day average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. C30-day average≤ 50 lb/dall year
BOD, 5-day, 20 deg. C7-day average≤ 75 lb/dall year
BOD, 5-day, 20 deg. C30-day averagereport only (mg/L)all year
BOD, 5-day, 20 deg. C7-day averagereport only (mg/L)all year
BOD, 5-day, 20 deg. C30-day averagereport only (lb/d)all year
BOD, 5-day, 20 deg. C7-day averagereport only (lb/d)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
pHminimumreport only (SU)all year
pHmaximumreport only (SU)all year
Solids, total suspended30-day average≤ 30 mg/Lall year
Solids, total suspended7-day average≤ 45 mg/Lall year
Solids, total suspended30-day average≤ 50 lb/dall year
Solids, total suspended7-day average≤ 75 lb/dall year
Solids, total suspended30-day averagereport only (mg/L)all year
Solids, total suspended7-day averagereport only (mg/L)all year
Solids, total suspended30-day averagereport only (lb/d)all year
Solids, total suspended7-day averagereport only (lb/d)all year
Solids, settleabledaily maximum≤ .3 mL/Lall year
Solids, settleabledaily maximumreport only (mL/L)all year
Flow, in conduit or thru treatment plantmonthly average≤ .2 MGDall year
Chlorine, total residualdaily maximum≤ 2 mg/LMay–Oct
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/NY0110531 · MCP: https://passage-data.com/mcp