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Imerys Refractory Minerals USA, Inc.

Kaolin And Ball Clay, Abbeville, Alabama. NPDES permit AL0068128 expired Aug 23, 2026; its limits still apply. 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 1 quarterly (20 values), outfall 002 form 1 quarterly (20 values), outfall 004 form 1 quarterly (20 values), outfall 006 form 1 quarterly (20 values), outfall 007 form 1 quarterly (20 values)

Last report on file

June 2026

Oct 2024 – Sep 2025

0 values over a limit, 0 required values missing, 0 of 60 reports late

Limits in force (100)

How strict are these limits?

• Solids, total suspended, monthly average 20 mg/L — stricter than 90% of 442 other minor industrial and other permits in Alabama; 8% have the same limit
• Solids, total suspended, daily maximum 30 mg/L — stricter than 87% of 373 other minor industrial and other permits in Alabama; 10% have the same limit
• Iron, total [as Fe], monthly average .5 mg/L — stricter than 80% of 135 other minor industrial and other permits in Alabama; 19% have the same limit

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

Same industry: the 206 Mining and Quarrying of Nonmetallic Minerals permits in Alabama.

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/AL0068128 · MCP: https://passage-data.com/mcp