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Seneca Falls (T)

Sewage treatment plant, major discharger, Seneca Falls, New York. NPDES permit NY0033308 expired Apr 30, 2018; its limits still apply. Last 12 months: over a limit 6 times (last July 2026), 1 of 18 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 58 days after each period: form M monthly (35 values), form T quarterly (4 values), form V quarterly
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 20 reports late

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

Period endingParameterReportedLimitOver by
October 2025Coliform, fecal general, 7-day geometric mean2419.6 #/100mL≤ 400 #/100mL505%
October 2025Solids, settleable, daily maximum.5 mL/L≤ .1 mL/L400%
March 2026Coliform, fecal general, 30-day geometric mean461.57 #/100mL≤ 200 #/100mL131%
March 2026Coliform, fecal general, 7-day geometric mean> 2419.6 #/100mL≤ 400 #/100mL—
April 2026Coliform, fecal general, 7-day geometric mean1733 #/100mL≤ 400 #/100mL333%
July 2026Chlorine, total residual, daily maximum1.73 mg/L≤ 1.5 mg/L15%

Limits in force (52)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Oxygen demand, ultimatedaily maximum≤ 77 mg/LJun–Oct
Oxygen demand, ultimatedaily maximum≤ 2250 lb/dJun–Oct
Oxygen demand, ultimatedaily maximumreport only (mg/L)Jun–Oct
Oxygen demand, ultimatedaily maximumreport only (lb/d)Jun–Oct
pHminimum≥ 6.5 SUall year
pHmaximum≤ 8.5 SUall year
pHminimumreport only (SU)all year
pHmaximumreport only (SU)all year
Solids, total suspended30-day arithmetic mean≤ 30 mg/Lall year
Solids, total suspended7-day arithmetic mean≤ 45 mg/Lall year
Solids, total suspended30-day arithmetic mean≤ 875 lb/dall year
Solids, total suspended7-day arithmetic mean≤ 1315 lb/dall year
Solids, total suspended30-day arithmetic meanreport only (mg/L)all year
Solids, total suspended30-day arithmetic meanreport only (lb/d)all year
Solids, settleabledaily maximum≤ .1 mL/Lall year
Solids, settleabledaily maximumreport only (mL/L)all year
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Jun–Oct
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (lb/d)Jun–Oct
Phosphorus, total [as P]30-day arithmetic mean≤ 1 mg/Lall year
Chromium, total [as Cr]daily maximumreport only (mg/L) (alert, not enforceable)all year
Chromium, total [as Cr]daily maximum≤ 2 lb/d (alert, not enforceable)all year
Copper, total [as Cu]daily maximumreport only (mg/L) (alert, not enforceable)all year
Copper, total [as Cu]daily maximum≤ .8 lb/d (alert, not enforceable)all year
Iron, total [as Fe]daily maximum≤ .55 mg/Lall year
Nickel, total [as Ni]daily maximumreport only (mg/L) (alert, not enforceable)all year
Nickel, total [as Ni]daily maximum≤ .9 lb/d (alert, not enforceable)all year
Zinc, total [as Zn]daily maximumreport only (mg/L) (alert, not enforceable)all year
Zinc, total [as Zn]daily maximum≤ 6.7 lb/d (alert, not enforceable)all year
Nitrogen, ammonia, total [as NH3]daily maximum≤ 12 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Nitrogen, ammonia, total [as NH3]daily maximum≤ 8 mg/LJun–Oct
Flow, in conduit or thru treatment plant30-day arithmetic mean≤ 3.5 MGDall year
Chlorine, total residualdaily maximum≤ 1.5 mg/Lall year
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1.7 tox acute (alert, not enforceable)Jan, Feb, Mar, Apr, May, Nov, Dec
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 3.1 tox acute (alert, not enforceable)Jun–Oct
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 10.2 tox chronic (alert, not enforceable)Jan, Feb, Mar, Apr, May, Nov, Dec
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 19.5 tox chronic (alert, not enforceable)Jun–Oct
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1.7 tox acute (alert, not enforceable)Jan, Feb, Mar, Apr, May, Nov, Dec
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 3.1 tox acute (alert, not enforceable)Jun–Oct
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 10.2 tox chronic (alert, not enforceable)Jan, Feb, Mar, Apr, May, Nov, Dec
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 19.5 tox chronic (alert, not enforceable)Jun–Oct
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≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]7-day arithmetic mean≤ 40 mg/Lall year
BOD, carbonaceous [5 day, 20 C]30-day arithmetic mean≤ 730 lb/dall year
BOD, carbonaceous [5 day, 20 C]7-day arithmetic mean≤ 1166 lb/dall year
BOD, carbonaceous [5 day, 20 C]30-day arithmetic meanreport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]30-day arithmetic meanreport only (lb/d)all year
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/NY0033308 · MCP: https://passage-data.com/mcp