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Wappinger (T)

Sewage treatment plant, Wappingers Falls, New York. NPDES permit NY0035637, in force until Apr 30, 2031. Last 12 months: over a limit 13 times (last August 2026), 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (18 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
4 values over a limit, 0 required values missing, 0 of 12 reports late

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

All 13 values over a limit
Period endingParameterReportedLimitOver by
December 2025Flow, in conduit or thru treatment plant, monthly average.068 MGD≤ .066 MGD3%
January 2026Flow, in conduit or thru treatment plant, monthly average.077 MGD≤ .066 MGD17%
February 2026Flow, in conduit or thru treatment plant, monthly average.07 MGD≤ .066 MGD6%
March 2026Flow, in conduit or thru treatment plant, monthly average.14 MGD≤ .066 MGD112%
April 2026BOD, 5-day, 20 deg. C, 7-day average20 lb/d≤ 8.3 lb/d141%
April 2026BOD, 5-day, 20 deg. C, 7-day average24 mg/L≤ 15 mg/L60%
April 2026BOD, 5-day, 20 deg. C, monthly average20 lb/d≤ 5.5 lb/d264%
April 2026BOD, 5-day, 20 deg. C, monthly average24 mg/L≤ 10 mg/L140%
April 2026Flow, in conduit or thru treatment plant, monthly average.073 MGD≤ .066 MGD11%
June 2026Oxygen, dissolved [DO], daily minimum2.7 mg/L≥ 7 mg/L61%
July 2026Chlorine, total residual, daily maximum1.7 mg/L≤ .03 mg/L5567%
July 2026Oxygen, dissolved [DO], daily minimum3 mg/L≥ 7 mg/L57%
August 2026Flow, in conduit or thru treatment plant, monthly average.087 MGD≤ .066 MGD32%

Limits in force (21)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
Oxygen, dissolved [DO]daily minimum≥ 7 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 5 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 2.8 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
pHmaximum≤ 8.5 SUall year
Solids, total suspendedmonthly average≤ 10 mg/Lall year
Solids, total suspendedmonthly average≤ 5.5 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (lb/d)all year
Solids, settleabledaily maximum≤ .1 mL/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 1.01 mg/LJun–Oct
Nitrogen, ammonia total [as N]monthly average≤ 1.52 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Flow, in conduit or thru treatment plantmonthly average≤ .066 MGDall year
Chlorine, total residualdaily maximum≤ .03 mg/LMay–Oct
Coliform, fecal general30-day geometric mean≤ 200 #/100mLMay–Oct
Coliform, fecal general30-day geometric mean≤ 200 #/100mLall year
Coliform, fecal general7-day geometric mean≤ 400 #/100mLMay–Oct
Coliform, fecal general7-day geometric mean≤ 400 #/100mLall 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/NY0035637 · MCP: https://passage-data.com/mcp