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Cayuga Heights (V)

Sewage treatment plant, major discharger, Ithaca, New York. NPDES permit NY0020958 expired Jul 31, 2020; its limits still apply. Last 12 months: over a limit 2 times (last April 2026), 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form M monthly (25 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 13 reports late

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

Period endingParameterReportedLimitOver by
March 2026Flow, in conduit or thru treatment plant, monthly average2.3 MGD≤ 2 MGD15%
April 2026Flow, in conduit or thru treatment plant, monthly average2.8 MGD≤ 2 MGD40%

Limits in force (25)

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≤ 500 lb/dall year
BOD, 5-day, 20 deg. C7-day average≤ 750 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≤ 500 lb/dall year
Solids, total suspended7-day average≤ 750 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
Phosphorus, total [as P]monthly average≤ .35 mg/Lall year
Phosphorus, total [as P]monthly average≤ 5.84 lb/dall year
Nitrogen, ammonia, total [as NH3]daily maximumreport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly average≤ 2 MGDall year
Chlorine, total residualdaily maximum≤ 2 mg/Lall 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.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NY0020958 · MCP: https://passage-data.com/mcp