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Middletown (C)

Sewage treatment plant, major discharger, Middletown, New York. NPDES permit NY0026328 expired May 31, 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: outfall 001 form M monthly (29 values), outfall 001 form Q quarterly (1 value), outfall 003 form A yearly
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 17 reports late

Limits in force (40)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigradedaily maximumreport only (deg C)all year001
Oxygen demand, ultimatemonthly average≤ 33 mg/LJun–Oct001
Oxygen demand, ultimatemonthly average≤ 2340 lb/dJun–Oct001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspended7-day average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 2100 lb/dall year001
Solids, total suspended7-day average≤ 3200 lb/dall year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, settleabledaily maximum≤ .1 mL/Lall year001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Jun–Oct001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (lb/d)Jun–Oct001
Nitrogen, ammonia, total [as NH3]monthly average≤ 6.8 mg/LJan, Feb, Mar, Apr, May, Nov, Dec001
Nitrogen, ammonia, total [as NH3]monthly average≤ 3.3 mg/LJun–Oct001
Nitrogen, ammonia, total [as NH3]daily maximumreport only (mg/L)Jun–Oct001
Nitrogen, ammonia, total [as NH3]daily maximumreport only (mg/L)Jan, Feb, Mar, Apr, May, Nov, Dec001
Nitrogen, ammonia, total [as NH3]monthly averagereport only (lb/d)Jun–Oct001
Nitrogen, ammonia, total [as NH3]monthly averagereport only (lb/d)Jan, Feb, Mar, Apr, May, Nov, Dec001
Nitrogen, ammonia, total [as NH3]daily maximumreport only (lb/d)Jun–Oct001
Nitrogen, ammonia, total [as NH3]daily maximumreport only (lb/d)Jan, Feb, Mar, Apr, May, Nov, Dec001
Flow, in conduit or thru treatment plantmonthly average≤ 8.5 MGDall year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualdaily maximum≤ .02 mg/LMay–Oct001
Mercury, total [as Hg]daily maximum≤ 50 ng/Lall year001
Coliform, fecal general30-day geometric mean≤ 200 #/100mLMay–Oct001
Coliform, fecal general7-day geometric mean≤ 400 #/100mLMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)Jun–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/LJan, Feb, Mar, Apr, May, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]7-day average≤ 40 mg/LJan, Feb, Mar, Apr, May, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]7-day average≤ 40 mg/LJun–Oct001
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (lb/d)Jun–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 1800 lb/dJan, Feb, Mar, Apr, May, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]7-day average≤ 2800 lb/dJan, Feb, Mar, Apr, May, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]7-day average≤ 2800 lb/dJun–Oct001
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
Flow ratedaily maximumreport only (gal/d)all year003
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year003

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/NY0026328 · MCP: https://passage-data.com/mcp