Passage Data · Check a report · Use it from your AI

Imerys Refractory Minerals USA, Inc

Metal Ores, Bakerhill, Alabama. NPDES permit AL0055930, in force until Aug 31, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due

About 89 days after each period: outfall 005 form 1 quarterly (20 values), outfall 006 form 1 quarterly (20 values), outfall 022 form 1 quarterly (20 values)

Renewal application due

Mar 4, 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, 3 of 36 reports late

Limits in force (60)

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 9 Metal Mining permits in Alabama.

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/AL0055930 · MCP: https://passage-data.com/mcp