Derek L. Seal

Derek L. Seal


McGinnis Lochridge

Recognized since 2016

Austin, Texas

Practice Areas

Administrative / Regulatory Law

Environmental Law

Water Law

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Derek practices administrative and regulatory law with a focus on environmental permitting and enforcement. With more than 30 years of regulatory and legislative experience, Derek assists clients with a wide range of matters, including Texas Commission on Environmental Quality (TCEQ) contested case hearings and regulatory compliance, water supply and water rights, air, water, waste, and wastewater discharge permitting.Derek previously held roles as General Counsel of the TCEQ, Counsel to former TCEQ Chairman Kathleen Hartnett White, General Counsel in the Texas Legislature for the House Committee on Environmental Regulation, and General Counsel and Chief of Staff for Representative Warren Chisum.

Location
  • 1111 West 6th, Building B, Suite 400
    Austin, TX 78703
Education
  • St. Mary’s School of Law, J.D., graduated 1996

McGinnis Lochridge
Headquarters: Austin, Texas

21 The Best Lawyers in America® awards

6 Best Lawyers: Ones to Watch® in America awards

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Recognized in The Best Lawyers in America® 2025 for work in:
  • Administrative / Regulatory Law
  • Environmental Law
  • Water Law
Additional Areas of Practice:
  • Energy Regulatory Law

Publications

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