Home Permits, Registrations, and Reporting Stormwater Permits Storm Water Documents Storm Water Documents Description https://www.tceq.texas.gov/permitting/stormwater/storm-water-documents https://www.tceq.texas.gov/@@site-logo/TCEQ-logo-header.png Storm Water Documents Description SIC Codes Subject to Industrial Storm Water Multi-Sector General Permit (TXR050000) Description TPDES General Permit TXR050000: Industrial Storm Water Multi-Sector General Permit Description