Passage Data · Check a report · Use it from your AI

Stockport (T)

Sewage treatment plant, Stuyvesant, New York. NPDES permit NY0031291, in force until Aug 31, 2029. Last 12 months: over a limit 2 times (last July 2026), 3 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (23 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
4 values over a limit, 0 required values missing, 5 of 12 reports late

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

Period endingParameterReportedLimitOver by
March 2026Flow, in conduit or thru treatment plant, daily maximum.089 MGD≤ .06 MGD48%
July 2026Flow, in conduit or thru treatment plant, daily maximum.26 MGD≤ .06 MGD333%

Limits in force (23)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
BOD, 5-day, 20 deg. C30-day arithmetic mean≤ 45 mg/Lall year
BOD, 5-day, 20 deg. C7-day arithmetic mean≤ 65 mg/Lall year
BOD, 5-day, 20 deg. C30-day arithmetic mean≤ 23 lb/dall year
BOD, 5-day, 20 deg. C7-day arithmetic mean≤ 33 lb/dall year
BOD, 5-day, 20 deg. C30-day arithmetic meanreport only (mg/L)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspended30-day arithmetic mean≤ 45 mg/Lall year
Solids, total suspended7-day arithmetic mean≤ 65 mg/Lall year
Solids, total suspended30-day arithmetic mean≤ 23 lb/dall year
Solids, total suspended7-day arithmetic mean≤ 33 lb/dall year
Solids, total suspended30-day arithmetic meanreport only (mg/L)all year
Solids, settleabledaily maximum≤ .3 mL/Lall year
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximum≤ .06 MGDall year
Chlorine, total residualdaily averagereport only (mg/L)May–Oct
Chlorine, total residualdaily maximum≤ 2 mg/LMay–Oct
Coliform, fecal general30-day geometric mean≤ 200 #/100LMay–Oct
Coliform, fecal general7-day geometric mean≤ 400 #/100LMay–Oct
BOD, 5-day, percent removalmonthly average minimum≥ 65 %all year
Solids, suspended percent removalmonthly average minimum≥ 65 %all year

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

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

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NY0031291 · MCP: https://passage-data.com/mcp