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Cairo (T)

Sewage treatment plant, Cairo, New York. NPDES permit NY0260819, in force until Dec 31, 2029. Last 12 months: over a limit once (last March 2026), 3 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form M monthly (15 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 5 of 12 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
March 2026Flow, in conduit or thru treatment plant, 30-day arithmetic mean.113 MGD≤ .089 MGD27%

Limits in force (23)

ParameterStatisticLimitMonths
Oxygen demand, ultimatedaily maximum≤ 50 mg/LJun–Oct
Oxygen, dissolved [DO]daily minimum≥ 5 mg/LJun–Oct
pHminimum≥ 6.5 SUall year
pHmaximum≤ 8.5 SUall year
Solids, total suspended30-day arithmetic mean≤ 30 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Solids, total suspendeddaily maximum≤ 10 mg/LJun–Oct
Solids, total suspended7-day arithmetic mean≤ 45 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Solids, total suspended30-day arithmetic meanreport only (lb/d)Jan, Feb, Mar, Apr, May, Nov, Dec
Solids, total suspendeddaily maximumreport only (lb/d)Jun–Oct
Solids, total suspended7-day arithmetic meanreport only (lb/d)Jan, Feb, Mar, Apr, May, Nov, Dec
Solids, settleabledaily maximum≤ .1 mL/Lall year
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Jun–Oct
Nitrogen, ammonia, total [as NH3]daily maximum≤ 4 mg/LJun–Oct
Flow, in conduit or thru treatment plant30-day arithmetic mean≤ .089 MGDall year
Coliform, fecal general30-day geometric mean≤ 200 #/100mLall year
Coliform, fecal general7-day geometric mean≤ 400 #/100mLall year
BOD, carbonaceous [5 day, 20 C]30-day arithmetic mean≤ 30 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
BOD, carbonaceous [5 day, 20 C]7-day arithmetic mean≤ 45 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)Jun–Oct
BOD, carbonaceous [5 day, 20 C]30-day arithmetic meanreport only (lb/d)Jan, Feb, Mar, Apr, May, Nov, Dec
BOD, carbonaceous [5 day, 20 C]7-day arithmetic meanreport only (lb/d)Jan, Feb, Mar, Apr, May, Nov, Dec
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/NY0260819 · MCP: https://passage-data.com/mcp