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Silver Creek (V)

Sewage treatment plant, major discharger, Silver Creek, New York. NPDES permit NY0022411 expired Jul 31, 2016; its limits still apply. Last 12 months: over a limit 7 times (last May 2026), 4 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form M monthly (22 values), form V monthly (3 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
4 values over a limit, 0 required values missing, 0 of 24 reports late

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

Period endingParameterReportedLimitOver by
January 2026Flow, in conduit or thru treatment plant, monthly average.879 MGD≤ .75 MGD17%
March 2026Coliform, fecal general, 30-day geometric mean2419 #/100mL≤ 200 #/100mL1110%
March 2026Flow, in conduit or thru treatment plant, monthly average2.373 MGD≤ .75 MGD216%
April 2026Flow, in conduit or thru treatment plant, monthly average.825 MGD≤ .75 MGD10%
April 2026Solids, suspended percent removal, daily minimum29 %≥ 55 %58%
May 2026Coliform, fecal general, 30-day geometric mean1299 #/100mL≤ 200 #/100mL550%
May 2026Flow, in conduit or thru treatment plant, monthly average1.75 MGD≤ .75 MGD133%

Limits in force (47)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitdaily averagereport only (deg F)all year
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
Temperature, water deg. fahrenheitdaily averagereport only (deg F)all year
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
Temperature, water deg. fahrenheitdaily maximum≤ 70 deg F (alert, not enforceable)all year
Oxygen, dissolved [DO]daily minimumreport only (mg/L)Jun–Oct
BOD, 5-day, 20 deg. C30-day arithmetic mean≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. C7-day arithmetic mean≤ 45 mg/Lall year
BOD, 5-day, 20 deg. C7-day average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. C30-day arithmetic mean≤ 188 lb/dall year
BOD, 5-day, 20 deg. Cmonthly average≤ 188 lb/dall year
BOD, 5-day, 20 deg. C7-day arithmetic mean≤ 281 lb/dall year
BOD, 5-day, 20 deg. C7-day average≤ 281 lb/dall year
BOD, 5-day, 20 deg. C30-day arithmetic meanreport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
pHminimumreport only (SU)all year
pHmaximumreport only (SU)all year
Solids, total suspended30-day arithmetic mean≤ 30 mg/Lall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspended7-day arithmetic mean≤ 45 mg/Lall year
Solids, total suspended7-day average≤ 45 mg/Lall year
Solids, total suspended30-day arithmetic mean≤ 188 lb/dall year
Solids, total suspendedmonthly average≤ 188 lb/dall year
Solids, total suspended7-day arithmetic mean≤ 281 lb/dall year
Solids, total suspended7-day average≤ 281 lb/dall year
Solids, total suspended30-day arithmetic meanreport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, settleabledaily maximum≤ .3 mL/Lall year
Solids, settleabledaily maximumreport only (mL/L)all year
Nitrogen, ammonia, total [as NH3]monthly averagereport only (mg/L)Jun–Oct
Nitrogen, ammonia, total [as NH3]monthly averagereport only (mg/L)Jan, Feb, Mar, Apr, May, Nov, Dec
Nitrogen, ammonia, total [as NH3]monthly averagereport only (lb/d)Jun–Oct
Nitrogen, ammonia, total [as NH3]monthly averagereport only (lb/d)Jan, Feb, Mar, Apr, May, Nov, Dec
Phenolsdaily maximumreport only (mg/L) (alert, not enforceable)all year
Phenolsdaily maximumreport only (lb/d) (alert, not enforceable)all year
Flow, in conduit or thru treatment plantmonthly average≤ .75 MGDall year
Flow, in conduit or thru treatment plant30-day arithmetic mean≤ .75 MGDall year
Flow, in conduit or thru treatment plantmonthly average≤ .75 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≥ 75 %all year
Solids, suspended percent removalmonthly average minimum≥ 65 %all year
Solids, suspended percent removaldaily minimum≥ 55 %all year

How strict are these limits?

Cited limits by parameter: New York's rules and the federal ones.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NY0022411 · MCP: https://passage-data.com/mcp