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Patchogue (V)

Sewage treatment plant, Patchogue, New York. NPDES permit NY0023922, in force until Apr 30, 2027. Last 12 months: over a limit 3 times (last February 2026), 1 required value missing, 10 of 14 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (34 values), form Q quarterly (2 values)
Renewal application due
Nov 1, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 14 of 16 reports late

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

Period endingParameterReportedLimitOver by
January 2026Nitrogen, ammonia, total [as NH3], daily maximum4.2 mg/L≤ 4 mg/L5%
January 2026Nitrogen, ammonia, total [as NH3], daily maximum4.2 mg/L≤ 4 mg/L5%
February 2026Nitrogen, ammonia, total [as NH3], daily maximum7.8 mg/L≤ 4 mg/L95%

Limits in force (36)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
Oxygen demand, ultimatedaily maximum≤ 590 mg/Lall year
Oxygen, dissolved [DO]daily maximumreport only (mg/L)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
pHminimumreport only (SU)all year
pHmaximumreport only (SU)all year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspended7-day average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 200 lb/dall year
Solids, total suspended7-day average≤ 300 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, total [as N]daily maximumreport only (mg/L)all year
Nitrogen, nitrite total [as N]daily maximumreport only (mg/L)all year
Nitrogen, nitrate total [as N]daily maximumreport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Phosphate, ortho [as P]daily maximumreport only (mg/L)all year
Coliform, fecal - % samples exceeding limitmaximum≤ 10 %all year
Coliform, fecal - % samples exceeding limitmaximum≤ 10 %all year
Nitrogen, ammonia, total [as NH3]daily maximum≤ 4 mg/Lall year
Flow, in conduit or thru treatment plantmonthly average≤ .8 MGDall 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
Coliform, total generalmonthly median≤ 700 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 40 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 170 lb/dall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 270 lb/dall year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (lb/d)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/NY0023922 · MCP: https://passage-data.com/mcp