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Antwerp (V)

Sewage treatment plant, Antwerp, New York. NPDES permit NY0235890, in force until Oct 31, 2030. Last 12 months: over a limit 4 times (last August 2026), 14 required values missing, 4 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form M monthly (23 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
12 values over a limit, 42 required values missing, 4 of 12 reports late

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

Period endingParameterReportedLimitOver by
January 2026Phosphorus, total [as P], monthly average.65 mg/L≤ .5 mg/L30%
March 2026Solids, suspended percent removal, monthly minimum64 %≥ 85 %140%
April 2026Phosphorus, total [as P], monthly average.75 mg/L≤ .5 mg/L50%
August 2026Phosphorus, total [as P], monthly average1.2 mg/L≤ .5 mg/L140%

Limits in force (23)

ParameterStatisticLimitMonths
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≤ 30 lb/dall year
BOD, 5-day, 20 deg. C7-day average≤ 45 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 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspended7-day average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 30 lb/dall year
Solids, total suspended7-day average≤ 45 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
Phosphorus, total [as P]monthly average≤ .5 mg/Lall year
Flow, in conduit or thru treatment plantmonthly average≤ .12 MGDall year
Chlorine, total residualdaily maximum≤ 1.3 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 minimum≥ 85 %all year
Solids, suspended percent removalmonthly 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/NY0235890 · MCP: https://passage-data.com/mcp