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Wappinger (T)

Sewage treatment plant, Wappingers Falls, New York. NPDES permit NY0021601, in force until Oct 31, 2027. Last 12 months: over a limit once (last March 2026), 2 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form X monthly (24 values)
Renewal application due
May 4, 2027 · 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, 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.092 MGD≤ .063 MGD46%

Limits in force (39)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
Oxygen, dissolved [DO]daily minimum≥ 7 mg/Lall year
Oxygen, dissolved [DO]daily minimumreport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 9 mg/LJun–Oct
BOD, 5-day, 20 deg. Cdaily maximum≤ 17 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
BOD, 5-day, 20 deg. C7-day average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 15.7 lb/dall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 4.7 lb/dJun–Oct
BOD, 5-day, 20 deg. Cdaily maximum≤ 8.9 lb/dJan, Feb, Mar, Apr, May, Nov, Dec
BOD, 5-day, 20 deg. C7-day average≤ 23.6 lb/dall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year
pHminimum≥ 6.5 SUall year
pHminimum≥ 6 SUall year
pHmaximum≤ 8.5 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 10 mg/LJun–Oct
Solids, total suspendeddaily maximum≤ 17 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Solids, total suspended7-day average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 15.7 lb/dall year
Solids, total suspendeddaily maximum≤ 5.3 lb/dJun–Oct
Solids, total suspendeddaily maximum≤ 8.9 lb/dJan, Feb, Mar, Apr, May, Nov, Dec
Solids, total suspended7-day average≤ 23.6 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (lb/d)all year
Solids, settleabledaily maximum≤ .3 mL/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 1.24 mg/LJun–Oct
Nitrogen, ammonia total [as N]monthly average≤ 1.81 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jun–Oct
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jan, Feb, Mar, Apr, May, Nov, Dec
Flow, in conduit or thru treatment plantmonthly average≤ .063 MGDall year
Chlorine, total residualdaily maximum≤ .03 mg/Lall year
Chlorine, total residualdaily maximum≤ 2 mg/Lall 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

How strict are these limits?

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/NY0021601 · MCP: https://passage-data.com/mcp