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Westchester Co Dept Env Fac

Sewage treatment plant, major discharger, Peekskill, New York. NPDES permit NY0100803 expired Nov 30, 2017; 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: form A monthly (54 values), form Q quarterly (4 values), form V quarterly (4 values), form S twice a year
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 25 reports late

Limits in force (66)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
Oxygen, dissolved [DO]daily minimumreport 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≤ 2500 lb/dall year
Solids, total suspended7-day average≤ 3800 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, nitrite total [as N]daily maximumreport only (mg/L)all year
Nitrogen, nitrite total [as N]daily maximumreport only (lb/d)all year
Nitrogen, nitrite total [as N]daily maximumreport only (mg/L)all year
Nitrogen, nitrite total [as N]daily maximumreport only (lb/d)all year
Nitrogen, nitrate total [as N]daily maximumreport only (mg/L)all year
Nitrogen, nitrate total [as N]daily maximumreport only (lb/d)all year
Nitrogen, nitrate total [as N]daily maximumreport only (mg/L)all year
Nitrogen, nitrate total [as N]daily maximumreport only (lb/d)all year
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (lb/d)all year
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (lb/d)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (lb/d)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (lb/d)all year
Copper, total [as Cu]daily maximumreport only (ug/L)all year
Copper, total [as Cu]daily maximum≤ 4.8 lb/dall year
Nickel, total [as Ni]daily maximumreport only (ug/L) (alert, not enforceable)all year
Nickel, total [as Ni]daily maximum≤ 2.5 lb/d (alert, not enforceable)all year
Zinc, total [as Zn]daily maximumreport only (ug/L) (alert, not enforceable)all year
Zinc, total [as Zn]daily maximum≤ 3.4 lb/d (alert, not enforceable)all year
Chloroformdaily maximumreport only (ug/L) (alert, not enforceable)all year
Chloroformdaily maximum≤ .3 lb/d (alert, not enforceable)all year
Nitrogen, ammonia, total [as NH3]daily maximumreport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia, total [as NH3]daily maximum≤ 28 mg/LMay–Oct
Nitrogen, ammonia, total [as NH3]daily maximumreport only (lb/d)Jan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia, total [as NH3]daily maximumreport only (lb/d)May–Oct
Nitrogen, ammonia, total [as NH3]daily maximumreport only (mg/L)all year
Nitrogen, ammonia, total [as NH3]daily maximumreport only (lb/d)all year
Flow, in conduit or thru treatment plantmonthly average≤ 10 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualmonthly averagereport only (mg/L)May–Oct
Chlorine, total residualdaily maximum≤ .16 mg/LMay–Oct
Phosphorous, in total orthophosphatedaily maximumreport only (mg/L)all year
Phosphorous, in total orthophosphatedaily maximumreport only (lb/d)all year
Phosphorous, in total orthophosphatedaily maximumreport only (mg/L)all year
Phosphorous, in total orthophosphatedaily maximumreport only (lb/d)all year
Mercury, total [as Hg]daily maximum≤ 50 ng/Lall year
Mercury, total [as Hg]daily maximumreport only (g/d)all year
Coliform, fecal general30-day geometric mean≤ 200 #/100mLMay–Oct
Coliform, fecal general7-day geometric mean≤ 400 #/100mLMay–Oct
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≤ 2100 lb/dall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 3300 lb/dall year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]daily maximumreport 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.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NY0100803 · MCP: https://passage-data.com/mcp