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Waterloo (V)

Sewage treatment plant, major discharger, Waterloo, New York. NPDES permit NY0022365 expired Aug 31, 2017; its limits still apply. Last 12 months: over a limit 6 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form M monthly (35 values), form Q quarterly
Last report on file
August 2026
Oct 2024 – Sep 2025
4 values over a limit, 0 required values missing, 0 of 16 reports late

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

Period endingParameterReportedLimitOver by
December 2025Solids, total suspended, 7-day average369 lb/d≤ 304 lb/d21%
February 2026Coliform, fecal general, 7-day geometric mean2420 #/100mL≤ 400 #/100mL505%
March 2026Flow, in conduit or thru treatment plant, monthly average1.719 MGD≤ 1.3 MGD32%
April 2026Flow, in conduit or thru treatment plant, monthly average1.857 MGD≤ 1.3 MGD43%
May 2026Flow, in conduit or thru treatment plant, monthly average1.38 MGD≤ 1.3 MGD6%
August 2026Streamflow, daily minimum44 cfs≥ 100 cfs56%

Limits in force (56)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Streamflowdaily minimum≥ 50 cfsJan, Feb, Mar, Dec
Streamflowdaily minimum≥ 100 cfsJun–Sep
Streamflowdaily minimum≥ 60 cfsApr, Nov
Streamflowdaily minimum≥ 70 cfsMay, Oct
Oxygen demand, ultimatemonthly averagereport only (lb/d)all year
BOD, 5-day, 20 deg. C30-day average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. C7-day average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. C30-day average≤ 200 lb/dall year
BOD, 5-day, 20 deg. C7-day average≤ 300 lb/dall year
BOD, 5-day, 20 deg. C30-day averagereport only (mg/L)all year
BOD, 5-day, 20 deg. C30-day averagereport only (lb/d)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
pHminimumreport only (SU)all year
pHmaximumreport only (SU)all year
Solids, total suspended30-day average≤ 30 mg/Lall year
Solids, total suspendedmonthly average≤ 18 mg/Lall year
Solids, total suspended7-day average≤ 45 mg/Lall year
Solids, total suspended7-day average≤ 28 mg/Lall year
Solids, total suspended30-day average≤ 200 lb/dall year
Solids, total suspendedmonthly average≤ 195 lb/dall year
Solids, total suspended7-day average≤ 300 lb/dall year
Solids, total suspended7-day average≤ 304 lb/dall year
Solids, total suspended30-day averagereport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspended30-day averagereport only (lb/d)all year
Solids, total suspendedmonthly averagereport only (lb/d)all year
Solids, settleabledaily maximum≤ .3 mL/Lall year
Solids, settleabledaily maximumreport only (mL/L)all year
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly average≤ 1 mg/Lall year
Flow, in conduit or thru treatment plantmonthly average≤ 1.3 MGDall year
Flow, in conduit or thru treatment plantmonthly average≤ .8 MGDall year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plant12-month averagereport only (MGD)all year
Flow, in conduit or thru treatment plant12-month averagereport only (MGD)all year
Chlorine, total residualdaily maximum≤ 1 mg/Lall year
Chlorine, total residualdaily maximum≤ .7 mg/Lall year
Mercury, total [as Hg]daily maximum≤ 50 ng/Lall 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]monthly average≤ 15 mg/Lall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 163 lb/dall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 271 lb/dall year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (lb/d)all year
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year
Solids, suspended percent removalmonthly average minimum≥ 85 %all year
Carbonaceous oxygen demand, % removalminimum≥ 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/NY0022365 · MCP: https://passage-data.com/mcp