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Stockport (T)

Water Supply, Hudson, New York. NPDES permit NY0268615 expired Sep 30, 2024; its limits still apply. Last 12 months: over a limit 11 times (last August 2026), 3 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form M monthly (14 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
12 values over a limit, 0 required values missing, 3 of 12 reports late

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

Period endingParameterReportedLimitOver by
October 2025Flow rate, daily maximum24700 gal/d≤ 10000 gal/d147%
November 2025Flow rate, daily maximum18700 gal/d≤ 10000 gal/d87%
December 2025Flow rate, daily maximum22300 gal/d≤ 10000 gal/d123%
January 2026Flow rate, daily maximum20600 gal/d≤ 10000 gal/d106%
February 2026Flow rate, daily maximum29400 gal/d≤ 10000 gal/d194%
March 2026Flow rate, daily maximum16600 gal/d≤ 10000 gal/d66%
April 2026Flow rate, daily maximum15600 gal/d≤ 10000 gal/d56%
May 2026Flow rate, daily maximum18200 gal/d≤ 10000 gal/d82%
June 2026Flow rate, daily maximum20300 gal/d≤ 10000 gal/d103%
July 2026Flow rate, daily maximum19700 gal/d≤ 10000 gal/d97%
August 2026Flow rate, daily maximum22200 gal/d≤ 10000 gal/d122%

Limits in force (14)

ParameterStatisticLimitMonths
Flow ratedaily maximum≤ 10000 gal/dall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendeddaily maximum≤ 30 mg/Lall year
Solids, settleabledaily maximum≤ .1 mL/Lall year
Oil & Greasedaily maximum≤ 15 mg/Lall year
Iron, total [as Fe]daily average≤ 2 mg/Lall year
Iron, total [as Fe]daily maximum≤ 4 mg/Lall year
Manganese, total [as Mn]daily average≤ 2 mg/Lall year
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year
Aluminum, total [as Al]daily average≤ 2 mg/Lall year
Aluminum, total [as Al]daily maximum≤ 4 mg/Lall year
Chlorine, total residualdaily maximum≤ .5 mg/Lall year
Solids, total dissolveddaily maximum≤ 300 mg/Lall year

How strict are these limits?

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

Same industry: the 53 Water Supply permits in New York.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NY0268615 · MCP: https://passage-data.com/mcp