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Delaware (T)

Sewage treatment plant, Callicoon, New York. NPDES permit NY0110574, in force until Oct 31, 2030. Last 12 months: no values over a limit, 1 of 15 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form M monthly (26 values), form Q quarterly (1 value)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 1 of 12 reports late

Limits in force (27)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. C7-day average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 30 lb/dall year
BOD, 5-day, 20 deg. C7-day average≤ 45 lb/dall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspended7-day average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 30 lb/dall year
Solids, total suspended7-day average≤ 45 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, ammonia total [as N]monthly average≤ 20 mg/Lall year
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)May–Sep
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)May–Sep
Phosphorus, total [as P]monthly averagereport only (mg/L)May–Sep
Flow, in conduit or thru treatment plantmonthly average≤ .12 MGDall year
Chlorine, total residualdaily maximum≤ .16 mg/Lall year
Solids, total dissolvedmonthly averagereport only (mg/L)all year
Coliform, fecal general30-day geometric mean≤ 200 #/100mLall year
Coliform, fecal general7-day geometric mean≤ 400 #/100mLall year
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year
Solids, suspended percent removalmonthly average minimum≥ 85 %all year

How strict are these limits?

Cited limits by parameter: New York's rules and the federal ones.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NY0110574 · MCP: https://passage-data.com/mcp