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Webster (T)

Sewage treatment plant, major discharger, Webster, New York. NPDES permit NY0021610, in force until Feb 28, 2029. Last 12 months: over a limit 18 times (last August 2026), 4 required values missing, 1 of 16 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form M monthly (36 values), form Q quarterly (12 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
19 values over a limit, 16 required values missing, 2 of 19 reports late

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

All 18 values over a limit
Period endingParameterReportedLimitOver by
October 2025Phosphorus, total [as P], monthly average1.6 mg/L≤ 1 mg/L60%
November 2025Chlorine, total residual, daily maximum2.1 mg/L≤ 2 mg/L5%
February 2026Nitrogen, ammonia total [as N], monthly average21.4 mg/L≤ 13 mg/L65%
February 2026Solids, settleable, daily maximum14 mL/L≤ .3 mL/L4567%
March 2026BOD, 5-day, 20 deg. C, 7-day average57 mg/L≤ 45 mg/L27%
March 2026BOD, 5-day, percent removal, monthly average minimum84 %≥ 85 %7%
March 2026Flow, in conduit or thru treatment plant, monthly average7.5 MGD≤ 5 MGD50%
March 2026Solids, settleable, daily maximum2.7 mL/L≤ .3 mL/L800%
March 2026Solids, suspended percent removal, monthly average minimum81 %≥ 85 %27%
March 2026Solids, total suspended, 7-day average102 mg/L≤ 45 mg/L127%
April 2026Flow, in conduit or thru treatment plant, monthly average7.71 MGD≤ 5 MGD54%
April 2026Solids, settleable, daily maximum9.4 mL/L≤ .3 mL/L3033%
May 2026Flow, in conduit or thru treatment plant, monthly average5.9 MGD≤ 5 MGD18%
May 2026Phosphorus, total [as P], monthly average1.2 mg/L≤ 1 mg/L20%
June 2026Phosphorus, total [as P], monthly average3.2 mg/L≤ 1 mg/L220%
July 2026Phosphorus, total [as P], monthly average2.4 mg/L≤ 1 mg/L140%
July 2026Solids, settleable, daily maximum.5 mL/L≤ .3 mL/L67%
August 2026Phosphorus, total [as P], monthly average2.7 mg/L≤ 1 mg/L170%

Limits in force (58)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Oxygen, dissolved [DO]daily minimumreport only (mg/L)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 averagereport only (lb/d)all year
BOD, 5-day, 20 deg. C7-day averagereport only (lb/d)all 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 averagereport only (lb/d)all year
Solids, total suspended7-day averagereport only (lb/d)all 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
Nitrogen, ammonia total [as N]monthly average≤ 12 mg/LJun–Oct
Nitrogen, ammonia total [as N]monthly average≤ 13 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 13 mg/LJun–Oct
Nitrogen, ammonia total [as N]monthly averagereport only (lb/d)Jun–Oct
Nitrogen, ammonia total [as N]monthly averagereport only (lb/d)Jan, Feb, Mar, Apr, May, Nov, Dec
Nitrogen, ammonia total [as N]monthly averagereport only (lb/d)Jun–Oct
Phosphorus, total [as P]monthly average≤ 1 mg/Lall year
Phosphorus, total [as P]monthly averagereport only (lb/d)all year
Cyanide, free [as free]daily maximum≤ 52 ug/Lall year
Cyanide, free [as free]daily maximumreport only (lb/d)all year
Chromium, total [as Cr]daily maximumreport only (ug/L)all year
Chromium, total [as Cr]daily maximumreport only (lb/d)all year
Copper, total [as Cu]daily maximum≤ 110 ug/Lall year
Copper, total [as Cu]daily maximumreport only (mg/L)all year
Copper, total [as Cu]daily maximumreport only (mg/L) (alert, not enforceable)all year
Copper, total [as Cu]daily maximumreport only (lb/d)all year
Copper, total [as Cu]daily maximumreport only (lb/d)all year
Copper, total [as Cu]daily maximum≤ 3.7 lb/d (alert, not enforceable)all year
Nickel, total [as Ni]daily maximumreport only (ug/L)all year
Nickel, total [as Ni]daily maximumreport only (lb/d)all year
Zinc, total [as Zn]daily maximumreport only (ug/L)all year
Zinc, total [as Zn]daily maximumreport only (lb/d)all year
Methylene chloridedaily maximumreport only (ug/L)all year
Methylene chloridedaily maximumreport only (lb/d)all year
1,1,1-Trichloroethanedaily maximumreport only (ug/L)all year
1,1,1-Trichloroethanedaily maximumreport only (lb/d)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly average≤ 7.1 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualdaily maximum≤ .25 mg/Lall year
Chlorine, total residualdaily maximum≤ 2 mg/Lall year
Chlorine, total residualdaily maximumreport only (lb/d)all year
Chlorine, total residualdaily maximumreport only (lb/d)all year
E. coli30-day geometric meanreport only (#/100mL)all year
E. coli7-day geometric meanreport only (#/100mL)all year
Mercury, total [as Hg]rolling average≤ 4.9 ng/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, 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/NY0021610 · MCP: https://passage-data.com/mcp