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National Grid Generation, LLC

Combination Utilities, major discharger, Glenwood Landing, New York. NPDES permit NY0005916, in force until Sep 30, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due

About 28 days after each period: outfall 01A form M monthly (2 values), outfall 01A form Q quarterly (4 values), outfall 023 form M monthly (2 values), outfall 023 form Q quarterly (5 values)

Renewal application due

Apr 3, 2027 · 180 days before expiry; your permit may set another date

Last report on file

August 2026

Oct 2024 – Sep 2025

0 values over a limit, 0 required values missing, 0 of 32 reports late

Limits in force (13)

How strict are these limits?

• Benzene, daily maximum .8 ug/L — stricter than 97% of 104 other major industrial and other permits nationwide; 2% have the same limit
• Ethylbenzene, daily maximum 5 ug/L — stricter than 89% of 39 other major industrial and other permits nationwide; 8% have the same limit
• Toluene, daily maximum 5 ug/L — stricter than 88% of 44 other major industrial and other permits nationwide; 9% have the same limit

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

Same industry: the 11 Combination Utilities permits in New York.

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NY0005916 · MCP: https://passage-data.com/mcp