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National Grid Generation, LLC

Electric Services, major discharger, Island Park, New York. NPDES permit NY0005908 expired Dec 1, 2009; its limits still apply. Last 12 months: over a limit once (last December 2025). Source: EPA ECHO, Oct 22, 2026.

Reports due

About 28 days after each period: outfall 002 form X quarterly (5 values), outfall 003 form X quarterly (5 values), outfall 004 form X quarterly (5 values), outfall 005 form E monthly (12 values), outfall 005 form G quarterly (5 values), outfall 005 form H quarterly (5 values), and 8 more forms

Last report on file

August 2026

Oct 2024 – Sep 2025

0 values over a limit, 0 required values missing, 0 of 101 reports late

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

Limits in force (101)

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 39 Electric Services permits in New York.

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NY0005908 · MCP: https://passage-data.com/mcp