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Luminant Mining Company LLC

Bituminous Coal And Lignite - Surface, major discharger, Henderson, Texas. NPDES permit TX0091120 expired Oct 31, 2026. Last 12 months: no values over a limit, 25 of 1010 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due

About 20 days after each period: outfall 001 form R monthly (5 values), outfall 002 form R monthly (5 values), outfall 003 form R monthly (5 values), outfall 004 form M monthly (10 values), outfall 005 form R monthly (5 values), outfall 006 form R monthly (5 values), and 90 more forms

Last report on file

September 2026

Oct 2024 – Sep 2025

0 values over a limit, 0 required values missing, 0 of 1,012 reports late

Limits in force (493)

How strict are these limits?

• Solids, total suspended, daily maximum 70 mg/L — stricter than 51% of 122 other major industrial and other permits in Texas; 2% have the same limit
• Selenium, total [as Se], daily maximum .036 mg/L — stricter than 50% of 42 other major industrial and other permits nationwide; 2% have the same limit
• Sulfate, total [as SO4], daily maximum 1375 mg/L — stricter than 37% of 29 other major industrial and other permits nationwide

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

Same industry: the 16 Coal Mining permits in Texas.

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/TX0091120 · MCP: https://passage-data.com/mcp