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West Seneca (T)

Sewage treatment plant, West Seneca, New York. NPDES permit NY0203734 expired Feb 28, 2019; its limits still apply. Last 12 months: over a limit once (last May 2026), 1 required value missing, 1 of 55 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 29 days after each period: outfall 001 form M monthly (10 values), outfall 002 form M monthly (2 values), outfall 003 form M monthly (2 values), outfall 004 form M monthly (2 values), outfall 005 form M monthly (2 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 60 reports late

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

Period endingParameterReportedLimitOver by
May 2026Solids, settleable, daily maximum4 mL/L≤ .8 mL/L400%

Limits in force (18)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year001
Solids, total suspendeddaily maximumreport only (mg/L)all year001
Solids, settleabledaily maximum≤ .8 mL/Lall year001
Oil & Greasedaily maximum≤ 15 mg/Lall year001
Flow, wastewater by-passing trtmnt plantmonthly totalreport only (Mgal/mo)all year001
Chlorine, total residualdaily maximum≤ 2 mg/Lall year001
Coliform, fecal general30-day geometric meanreport only (#/100mL)all year001
Coliform, fecal general7-day geometric meanreport only (#/100mL)all year001
Overflowsmonthly totalreport only (occur/mo)all year001
Solids, floating - visual determinationmonthly totalreport only (d/mo)all year001
Flow, wastewater by-passing trtmnt plantmonthly totalreport only (Mgal/mo)all year002
Overflowsmonthly totalreport only (occur/mo)all year002
Flow, wastewater by-passing trtmnt plantmonthly totalreport only (Mgal/mo)all year003
Overflowsmonthly totalreport only (occur/mo)all year003
Flow, wastewater by-passing trtmnt plantmonthly totalreport only (Mgal/mo)all year004
Overflowsmonthly totalreport only (occur/mo)all year004
Flow, wastewater by-passing trtmnt plantmonthly totalreport only (Mgal/mo)all year005
Overflowsmonthly totalreport only (occur/mo)all year005

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/NY0203734 · MCP: https://passage-data.com/mcp