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Industrial Sectors Under the Industrial Multi-Sector General Permit

Sectors of industry that may obtain coverage under the general permit for industrial stormwater runoff, covering runoff from areas for manufacturing, processing, material storage, and waste-material disposal.

Stormwater discharge associated with industrial activity is defined as stormwater runoff that exits any system that is used for collecting and conveying stormwater that originates from manufacturing, processing, material-storage, and waste-material-disposal areas (and similar areas where stormwater can contact industrial pollutants related to the industrial activity) at an industrial facility that falls under one or more of the following sectors of industry:

  1. Timber Products
  2. Paper and Allied Products
  3. Chemical and Allied Products
  4. Asphalt Paving and Roofing Materials and Lubricants
  5. Glass, Clay, Cement, Concrete, and Gypsum Products
  6. Primary Metals
  7. Metal Mining (Ore Mining and Dressing)
  8. Coal Mines and Coal Mining Related Facilities
  9. Oil and Gas Extraction
  10. Mineral Mining and Processing
  11. Hazardous Waste Treatment Storage,and Disposal
  12. Landfills and Land Application
  13. Automobile Salvage Yards
  14. Scrap and Waste Recycling
  15. Steam Electric-Generating Facilities
  16. Land Transportation and Warehousing
  17. Water Transportation
  18. Ship and Boat Building or Repairing Yards
  19. Air Transportation
  20. Treatment Works
  21. Food and Kindred Products
  22. Textile Mills, Apparel, and Other Fabric Product Manufacturing; Leather and Leather Products
  23. Wood and Metal Furniture and Fixtures
  24. Printing and Publishing
  25. Rubber, Miscellaneous Plastic Products, and Miscellaneous Manufacturing Industries
  26. Leather Tanning and Finishing
  27. Fabricated Metal Products
  • BB.Transportation Equipment; Industrial or Commercial Machinery
  • CC. Electronic, Electrical, Photographic, and Optical Goods
  • DD. Miscellaneous Industrial Activities

The table SIC Codes Subject to TPDES Multi-Sector General Permit (TXR050000)  lists the SIC codes and industrial-activity codes under each of these sectors.