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Wappinger (T)

Sewage treatment plant, Wappingers Falls, New York. NPDES permit NY0037117, in force until Feb 28, 2031. Last 12 months: over a limit 4 times (last May 2026), 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (17 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
5 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
October 2025Carbonaceous oxygen demand, % removal, monthly average minimum84 %≥ 85 %7%
March 2026Flow, in conduit or thru treatment plant, monthly average.166 MGD≤ .1 MGD66%
March 2026Flow, in conduit or thru treatment plant, monthly average.166 MGD≤ .1 MGD66%
May 2026Solids, total suspended, daily maximum120 mg/L≤ 30 mg/L300%

Limits in force (18)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
Oxygen, dissolved [DO]daily minimum≥ 5 mg/Lall year
pHdaily minimum≥ 6.5 SUall year
pHdaily maximum≤ 8.5 SUall year
Solids, total suspendeddaily maximum≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 30 mg/Lall year
Solids, settleabledaily maximum≤ .3 mL/Lall year
Nitrogen, ammonia, total [as NH3]monthly average≤ 1.5 mg/LJun–Oct
Nitrogen, ammonia, total [as NH3]monthly average≤ 2.2 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Flow, in conduit or thru treatment plantmonthly average≤ .1 MGDall year
Flow, in conduit or thru treatment plantmonthly average≤ .1 MGDall year
Chlorine, total residualdaily maximum≤ .1 mg/Lall year
Coliform, fecal general30-day geometric mean≤ 200 #/100mLall year
Coliform, fecal general7-day geometric mean≤ 400 #/100mLall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 15 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all year
Solids, suspended percent removalmonthly average minimum≥ 85 %all year
Carbonaceous oxygen demand, % 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/NY0037117 · MCP: https://passage-data.com/mcp