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Assistance Tools for Industrial Stormwater General Permit

Resources for small businesses and local governments regarding industrial stormwater permits, especially the Multi-Sector General Permit, TXR050000, including sampling guides, publication on Conditional No-Exposure Exclusion for stormwater runoff, worksheets for Stormwater Pollution Prevention Plan (SWP3), forms, and other links to stormwater information.


Industrial facilities, based on their Standard Industrial Classification (SIC) code, that discharge stormwater into a storm drain system or to surface waters in the state of Texas must comply with stormwater permitting requirements. The following tools were designed to assist the regulated community in meeting permit requirements.

SIC Codes Subject to TPDES Multi-Sector General Permit Adobe Acrobat PDF Document

For help determining the SIC code for your facility, please visit the U.S. Occupational Health and Safety Administration's SIC Search or SIC Manual Web page. Exit the TCEQ

Many documents on this page are in Adobe Acrobat Portable Document Format (PDF) Adobe Acrobat PDF Document or Microsoft Word Microsoft Word Document. (Help with downloading files).



To obtain the following forms, go to the TCEQ Forms Web page and search for the form number indicated (in parentheses).

  • Notice of Intent (TCEQ Form 10382)
  • No-Exposure Certification (TCEQ Form 10383)
  • Hazardous Metals Waiver (TCEQ Form 10425)
  • Notice of Termination (TCEQ Form 10443)
  • Benchmark Monitoring Data Analysis (TCEQ Form 20091)
  • Notice of Change (TCEQ Form 20390)

To obtain Discharge Monitoring Reports and the Benchmark Summary Form, go the Monitoring and Reporting Stormwater Discharges from Industrial Facilities Web page.


Where can I find more information and assistance?

The TCEQ's Small Business and Local Government Assistance Section offers free, confidential help to small businesses and local governments working to comply with state environmental regulations. Call us at 800-447-2827 or visit our Web page at

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