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Oneida (C)

Sewage treatment plant, major discharger, Oneida, New York. NPDES permit NY0026956 expired Jun 8, 2025; its limits still apply. Last 12 months: over a limit 2 times (last May 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form M monthly (40 values), outfall 001 form Q quarterly (4 values), outfall 001 form X quarterly (4 values), outfall 004 form M monthly (10 values), outfall 01A form M monthly (3 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
4 values over a limit, 0 required values missing, 0 of 43 reports late

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

Period endingParameterReportedLimitOver by
April 2026Flow, in conduit or thru treatment plant, monthly average4.641 MGD≤ 4.5 MGD3%
May 2026Solids, settleable, daily maximum11 mL/L≤ .1 mL/L10900%

Limits in force (77)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year001
Oxygen demand, ultimatemonthly average≤ 32 mg/LJun–Oct001
Oxygen demand, ultimatemonthly average≤ 1200 lb/dJun–Oct001
Oxygen demand, ultimatemonthly averagereport only (mg/L)Jun–Oct001
Oxygen demand, ultimatemonthly averagereport only (lb/d)Jun–Oct001
Oxygen, dissolved [DO]daily minimumreport only (mg/L)all year001
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 8.5 SUall year001
pHminimumreport only (SU)all year001
pHmaximumreport only (SU)all year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspended7-day average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 1100 lb/dall year001
Solids, total suspended7-day average≤ 1700 lb/dall year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, total suspended7-day averagereport only (mg/L)all year001
Solids, total suspendedmonthly averagereport only (lb/d)all year001
Solids, total suspended7-day averagereport only (lb/d)all year001
Solids, settleabledaily maximum≤ .1 mL/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 1.9 mg/LJun–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 5 mg/LJan, Feb, Mar, Apr, May, Nov, Dec001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]rolling average≤ .5 mg/Lall year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]rolling average≤ 19 lb/dall year001
Phosphorus, total [as P]monthly averagereport only (lb/d)all year001
Chlorinated phenolsmonthly average≤ 5 ug/Lall year001
Chlorinated phenolsmonthly average≤ 5 ug/Lall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantmonthly average≤ 4.5 MGDall year001
Chlorine, total residualdaily maximum≤ .03 mg/LMay–Oct001
Toxicity [acute], Ceriodaphnia dubiadaily maximum≤ .3 tox acute (alert, not enforceable)Jun–Oct001
Toxicity [acute], Ceriodaphnia dubiadaily maximum≤ 1 tox acute (alert, not enforceable)Jan, Feb, Mar, Apr, May, Nov, Dec001
Toxicity [acute], Ceriodaphnia dubiadaily maximum≤ 1 tox acute (alert, not enforceable)Jun001
Toxicity [acute], Ceriodaphnia dubiadaily maximum≤ .3 tox acute (alert, not enforceable)Dec001
Toxicity [chronic], Ceriodaphnia dubiadaily maximum≤ 3.4 tox chronic (alert, not enforceable)Jun–Oct001
Toxicity [chronic], Ceriodaphnia dubiadaily maximum≤ 5.9 tox chronic (alert, not enforceable)Jan, Feb, Mar, Apr, May, Nov, Dec001
Toxicity [chronic], Ceriodaphnia dubiadaily maximum≤ 5.9 tox chronic (alert, not enforceable)Jun001
Toxicity [chronic], Ceriodaphnia dubiadaily maximum≤ 3.4 tox chronic (alert, not enforceable)Dec001
Toxicity [acute], Pimephales promelas [Fathead Minnow]daily maximum≤ .3 tox acute (alert, not enforceable)Jun–Oct001
Toxicity [acute], Pimephales promelas [Fathead Minnow]daily maximum≤ 1 tox acute (alert, not enforceable)Jan, Feb, Mar, Apr, May, Nov, Dec001
Toxicity [acute], Pimephales promelas [Fathead Minnow]daily maximum≤ 1 tox acute (alert, not enforceable)Jun001
Toxicity [acute], Pimephales promelas [Fathead Minnow]daily maximum≤ .3 tox acute (alert, not enforceable)Dec001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]daily maximum≤ 3.4 tox chronic (alert, not enforceable)Jun–Oct001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]daily maximum≤ 5.9 tox chronic (alert, not enforceable)Jan, Feb, Mar, Apr, May, Nov, Dec001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]daily maximum≤ 5.9 tox chronic (alert, not enforceable)Jun001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]daily maximum≤ 3.4 tox chronic (alert, not enforceable)Dec001
Solids, total dissolveddaily maximumreport only (mg/L)all year001
Mercury, total [as Hg]rolling average≤ 2.1 ng/Lall year001
Mercury, total [as Hg]daily maximum≤ 50 ng/Lall year001
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 average≤ 25 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]7-day average≤ 40 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 940 lb/dall year001
BOD, carbonaceous [5 day, 20 C]7-day average≤ 1500 lb/dall year001
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year001
BOD, carbonaceous [5 day, 20 C]7-day averagereport only (mg/L)all year001
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (lb/d)all year001
BOD, carbonaceous [5 day, 20 C]7-day averagereport only (lb/d)all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
Carbonaceous oxygen demand, % removalmonthly average minimum≥ 85 %all year001
Nitrogen, nitrate total [as N]daily maximum≤ 20 mg/Lall year004
Total phenolsdaily maximumreport only (ug/L)all year004
Chloroformdaily maximum≤ 7 ug/Lall year004
Chloroformdaily maximumreport only (ug/L)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Chlorine, total residualdaily minimum≥ .5 mg/Lall year004
Chlorine, total residualdaily maximum≤ 2 mg/Lall year004
Coliform, fecal general30-day geometric mean≤ 200 #/100mLall year004
Coliform, fecal general7-day geometric mean≤ 400 #/100mLall year004
Coliform, total generaldaily average≤ 2400 #/100mLall year004
Coliform, total generaldaily maximum≤ 5000 #/100mLall year004
Flow ratedaily maximumreport only (MGD)all year01A
pHminimumreport only (SU)all year01A
pHmaximumreport only (SU)all year01A

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/NY0026956 · MCP: https://passage-data.com/mcp