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Alden (V)

Sewage treatment plant, Alden, New York. NPDES permit NY0020541, in force until Jun 30, 2031. 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 (20 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
7 values over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
March 2026Flow, in conduit or thru treatment plant, monthly average.81 MGD≤ .65 MGD25%
April 2026Flow, in conduit or thru treatment plant, monthly average.865 MGD≤ .65 MGD33%
May 2026Coliform, fecal general, 30-day geometric mean1684.52 #/100mL≤ 200 #/100mL742%
May 2026Coliform, fecal general, 7-day geometric mean> 6000 #/100mL≤ 400 #/100mL—
May 2026Flow, in conduit or thru treatment plant, monthly average.659 MGD≤ .65 MGD1%
August 2026BOD, 5-day, 20 deg. C, monthly average5.9 mg/L≤ 5 mg/L18%

Limits in force (30)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
Oxygen, dissolved [DO]daily minimum≥ 5 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Oxygen, dissolved [DO]daily minimum≥ 7 mg/LJun–Oct
BOD, 5-day, 20 deg. Cmonthly average≤ 5 mg/LJun–Oct
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
BOD, 5-day, 20 deg. C7-day average≤ 45 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 27 lb/dJun–Oct
BOD, 5-day, 20 deg. Cmonthly average≤ 163 lb/dJan, Feb, Mar, Apr, May, Nov, Dec
BOD, 5-day, 20 deg. C7-day average≤ 244 lb/dJan, Feb, Mar, Apr, May, Nov, Dec
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≥ 6.5 SUall year
pHmaximum≤ 8.5 SUall year
Solids, total suspendedmonthly average≤ 10 mg/LJun–Oct
Solids, total suspendedmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Solids, total suspended7-day average≤ 45 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Solids, total suspendedmonthly average≤ 54 lb/dJun–Oct
Solids, total suspendedmonthly average≤ 163 lb/dJan, Feb, Mar, Apr, May, Nov, Dec
Solids, total suspended7-day average≤ 244 lb/dJan, Feb, Mar, Apr, May, Nov, Dec
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (lb/d)all year
Solids, settleabledaily maximum≤ .1 mL/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 1.25 mg/LJun–Oct
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Jan, Feb, Mar, Apr, May, Nov, Dec
Flow, in conduit or thru treatment plantmonthly average≤ .65 MGDall year
Chlorine, total residualdaily maximum≤ .02 mg/LMay–Oct
Coliform, fecal general30-day geometric mean≤ 200 #/100mLMay–Oct
Coliform, fecal general7-day geometric mean≤ 400 #/100mLMay–Oct
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/NY0020541 · MCP: https://passage-data.com/mcp