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Certainteed Gypsum Buchanan LLC

Gypsum Products, Buchanan, New York. NPDES permit NY0006645, in force until Jan 31, 2027. Last 12 months: over a limit 2 times (last June 2026), 1 of 60 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due

About 28 days after each period: outfall 002 form M monthly (5 values), outfall 002 form Q quarterly (3 values), outfall 002 form S quarterly (4 values), outfall 004 form M monthly (7 values), outfall 005 form M monthly (7 values), outfall 007 form M monthly (7 values), and 3 more forms

Renewal application due

Aug 4, 2026 · 180 days before expiry; your permit may set another date

Last report on file

September 2026

Oct 2024 – Sep 2025

2 values over a limit, 0 required values missing, 1 of 66 reports late

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

Limits in force (39)

How strict are these limits?

• Solids, total suspended, daily maximum 30 mg/L — stricter than 47% of 340 other minor industrial and other permits in New York; 4% have the same limit
• Chlorine, total residual, daily maximum .15 mg/L — stricter than 31% of 275 other minor industrial and other permits in New York
• BOD, 5-day, 20 deg. C, daily maximum 30 mg/L — stricter than 16% of 106 other minor industrial and other permits in New York; 11% have the same limit

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

Same industry: the 14 Stone, Clay, Glass and Concrete Products permits in New York.

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NY0006645 · MCP: https://passage-data.com/mcp