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Warwick (T)

Sewage treatment plant, Warwick, New York. NPDES permit NY0021890 expired Jul 31, 2026; its limits still apply. Last 12 months: no values over a limit, 15 required values missing, 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form M monthly (22 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
17 values over a limit, 4 required values missing, 0 of 12 reports late

Limits in force (43)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
Oxygen demand, ultimatedaily maximum≤ 90 mg/LJan, Feb, Mar, Apr, Nov, Dec
Oxygen demand, ultimatedaily maximum≤ 325 lb/dJan, Feb, Mar, Apr, Nov, Dec
Oxygen, dissolved [DO]daily minimum≥ 7 mg/Lall year
pHminimum≥ 6.5 SUall year
pHmaximum≤ 8.5 SUall year
pHminimumreport only (SU)all year
pHmaximumreport only (SU)all year
Solids, total suspendeddaily maximum≤ 10 mg/Lall year
Solids, total suspendeddaily maximum≤ 140 mg/Lall year
Solids, total suspendeddaily maximum≤ 36 lb/dall year
Solids, total suspendeddaily maximum≤ 500 lb/dall year
Solids, total suspendeddaily maximumreport only (mg/L)all year
Solids, settleabledaily maximum≤ .1 mL/Lall year
Solids, settleabledaily maximum≤ 19 mL/Lall year
Solids, settleabledaily maximumreport only (mL/L)all year
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (lb/d)Jan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia, total [as NH3]monthly average≤ 4.7 mg/LMay–Oct
Nitrogen, ammonia, total [as NH3]monthly average≤ 4.1 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia, total [as NH3]daily maximum≤ 1.3 mg/LMay–Oct
Nitrogen, ammonia, total [as NH3]daily maximum≤ 3.9 mg/LJan, Feb, Mar, Apr, Nov, Dec
Flow, in conduit or thru treatment plantmonthly average≤ .43 MGDall year
Chlorine, total residualdaily maximum≤ .01 mg/LMay–Oct
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/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 28 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]7-day average≤ 40 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 5 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 26 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]7-day average≤ 50 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 90 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 100 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]7-day average≤ 144 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 18 lb/dMay–Oct
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 93 lb/dMay–Oct
BOD, carbonaceous [5 day, 20 C]7-day average≤ 180 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all year
Solids, suspended percent removalmonthly average minimum≥ 85 %all year
Solids, suspended percent removalmonthly average minimum≥ 71 %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/NY0021890 · MCP: https://passage-data.com/mcp