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Suffolk County DPW

Sewage treatment plant, major discharger, Kings Park, New York. NPDES permit NY0023311 expired Aug 31, 2016; its limits still apply. Last 12 months: no values over a limit, 4 of 30 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form M monthly (24 values), outfall 002 form N monthly (15 values), outfall 001 form Q quarterly, outfall 001 form Z quarterly
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 32 reports late

Limits in force (53)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year001
Oxygen, dissolved [DO]daily minimumreport only (mg/L)all year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspended7-day average≤ 45 mg/Lall year001
Solids, total suspended7-day average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 150 lb/dall year001
Solids, total suspendedmonthly average≤ 630 lb/dall year001
Solids, total suspended7-day average≤ 230 lb/dall year001
Solids, total suspended7-day average≤ 940 lb/dall year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, settleabledaily maximum≤ .3 mL/Lall year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Zinc, total [as Zn]daily maximum≤ 1 lb/d (alert, not enforceable)all year001
Flow, in conduit or thru treatment plantmonthly average≤ .6 MGDall year001
Chlorine, total residualdaily maximum≤ 2 mg/Lall year001
Chlorine, total residualdaily maximum≤ 1.6 mg/Lall year001
Phosphorous, in total orthophosphatedaily maximumreport only (mg/L)all year001
Phosphorous, in total orthophosphatedaily maximumreport only (mg/L)all year001
Mercury, total [as Hg]daily maximum≤ .096 ug/Lall year001
Mercury, total [as Hg]daily maximum≤ .001 lb/dall year001
Coliform, fecal general30-day geometric mean≤ 200 #/100mLall year001
Coliform, fecal general7-day geometric mean≤ 400 #/100mLall year001
Coliform, total generalmonthly median≤ 700 #/100mLall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]7-day average≤ 40 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]7-day average≤ 40 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 130 lb/dall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 520 lb/dall year001
BOD, carbonaceous [5 day, 20 C]7-day average≤ 200 lb/dall year001
BOD, carbonaceous [5 day, 20 C]7-day average≤ 830 lb/dall year001
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
Carbonaceous oxygen demand, % removalmonthly average minimum≥ 85 %all year001
Nitrogen, nitrite total [as N]monthly averagereport only (mg/L)all year002
Nitrogen, nitrite total [as N]monthly averagereport only (mg/L)all year002
Nitrogen, nitrate total [as N]monthly averagereport only (mg/L)all year002
Nitrogen, nitrate total [as N]monthly averagereport only (mg/L)all year002
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year002
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year002
Total agg concentration #4monthly averagereport only (mg/L)all year002
Total agg concentration #4monthly averagereport only (lb/d)all year002
Total agg concentration #4monthly averagereport only (mg/L)all year002
Total agg concentration #4monthly averagereport only (lb/d)all year002
Total agg concentration #1rolling average≤ 213 lb/dall year002
Total agg concentration #2individual rolling averagereport only (lb/d)all year002
Total agg concentration #3monthly averagereport only (lb/d)all year002
Nitrogen, ammonia, total [as NH3]monthly averagereport only (mg/L)all year002
Nitrogen, ammonia, total [as NH3]monthly averagereport only (mg/L)all year002

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/NY0023311 · MCP: https://passage-data.com/mcp