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Westchester Co Dept Env Fac

Sewage treatment plant, major discharger, Rye, New York. NPDES permit NY0026719 expired Nov 30, 2012; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (38 values), outfall 001 form Q quarterly (2 values), outfall 01A form Q quarterly (7 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 23 reports late

Limits in force (47)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year001
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
pHminimumreport only (SU)all year001
pHmaximumreport only (SU)all year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspended7-day average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 1300 lb/dall year001
Solids, total suspended7-day average≤ 1900 lb/dall year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, settleabledaily maximum≤ .3 mL/Lall year001
Solids, settleabledaily maximumreport only (mL/L)all year001
Nitrogen, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, total [as N]monthly averagereport only (lb/d)all year001
Nitrogen, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, total [as N]monthly averagereport only (lb/d)all year001
Nitrogen, total [as N]annual averagereport only (lb/d)all year001
Nitrogen, nitrite total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, nitrite total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, nitrate total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, nitrate total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year001
Copper, total [as Cu]daily maximum≤ 6.7 lb/dall year001
Zinc, total [as Zn]daily maximum≤ 1.7 lb/d (alert, not enforceable)all year001
Antimony, total [as Sb]daily maximum≤ 2.6 lb/d (alert, not enforceable)all year001
Nitrogen, ammonia, total [as NH3]monthly averagereport only (mg/L)all year001
Nitrogen, ammonia, total [as NH3]monthly averagereport only (mg/L)all year001
Flow, in conduit or thru treatment plantmonthly average≤ 5 MGDall year001
Chlorine, total residualdaily maximum≤ 1.5 mg/Lall year001
Coliform, fecal general30-day geometric mean≤ 200 MPN/100mLall year001
Coliform, fecal general7-day geometric mean≤ 400 MPN/100mLall 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]monthly average≤ 1000 lb/dall year001
BOD, carbonaceous [5 day, 20 C]7-day average≤ 1700 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
Cadmium, total [as Cd]daily maximumreport only (lb/d)all year01A
Chromium, total [as Cr]daily maximumreport only (lb/d)all year01A
Lead, total [as Pb]daily maximumreport only (lb/d)all year01A
Nickel, total [as Ni]daily maximumreport only (lb/d)all year01A
Chloroformdaily maximumreport only (lb/d)all year01A
Phenolics, total recoverabledaily maximumreport only (lb/d)all year01A
Methylene chloridedaily maximumreport only (lb/d)all year01A

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/NY0026719 · MCP: https://passage-data.com/mcp