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Cabot Corporation

Carbon Black, Ville Platte, Louisiana. NPDES permit LA0001091, in force until Oct 14, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due

About 28 days after each period: outfall 001 form A quarterly (9 values), outfall 002 form A quarterly (10 values), outfall 003 form A quarterly (8 values), outfall 005 form A quarterly (6 values), outfall 006 form Q quarterly (6 values), outfall 004 form S twice a year

Renewal application due

Apr 17, 2028 · 180 days before expiry; your permit may set another date

Last report on file

June 2026

Oct 2024 – Sep 2025

0 values over a limit, 0 required values missing, 0 of 54 reports late

Limits in force (49)

How strict are these limits?

• Solids, total suspended, daily maximum 30 mg/L — stricter than 77% of 551 other minor industrial and other permits in Louisiana; 1% have the same limit
• Oil & Grease, monthly average 10 mg/L — stricter than 75% of 40 other minor industrial and other permits in Louisiana; 18% have the same limit
• Solids, total suspended, monthly average 20 mg/L — stricter than 73% of 489 other minor industrial and other permits in Louisiana; 2% have the same limit

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

Same industry: the 130 Chemicals and Allied Products permits in Louisiana.

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/LA0001091 · MCP: https://passage-data.com/mcp