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(512) 522-0702

Peter Gregg’s legal career has been devoted to representing clients in administrative and environmental regulatory and litigation matters. His practice includes a focus on issues involving waste management and contaminated properties, including state and federal CERCLA matters, RCRA corrective action and compliance counseling, transactions involving contaminated properties, and counseling on state and federal regulatory cleanup programs. He also represents clients on all manner of air, water, waste management, and water and wastewater utility regulatory issues (permitting, enforcement, and general compliance matters) before the EPA, TCEQ and PUC and and in matters before the Railroad Commission of Texas.

Mr. Gregg began his career at the Texas Commission on Environmental Quality (TCEQ), where he provided program development and legal/litigation support for various air, water quality, and industrial and hazardous waste programs. He spent several years as in-house environmental counsel at international energy company El Paso Corporation prior to returning to private practice in Austin as a partner in a national environmental law firm. During his years in private practice, he has represented national and international clients within the chemical, petroleum refining, and oil and natural gas production, processing and transportation industries, among others, as well as various local and regional manufacturing and utility interests.

Mr. Gregg is a former Chair of the Texas Bar’s Environmental and Natural Resources Law Section and a former Chair of the Houston Bar Association’s Environmental Law Section. He is listed in The Best Lawyers in America, Environmental Law, Woodward/White, Inc. (2009-2020) and The Best Lawyers in America, Litigation-Environmental, Woodward/White, Inc. (2011-2020). He is AV Peer Review Rated.


⦁    University of Houston Law Center (J.D. 1992)
⦁    University of Texas at Austin (B.A. – Philosophy; 1989)


⦁    Texas State Courts
⦁    U.S. District Court, Southern, Western and Eastern Districts of Texas
⦁    District of Columbia

Professional and Community Affiliations

⦁    University of Texas Environmental Science Institute (Current Chair, Advisory Council)
⦁    State Bar of Texas Environmental and Natural Resources Law Section (Former Chair)
⦁    Houston Bar Association Environmental Law Section (Former Chair)
⦁    American Bar Association (Section of Environment, Energy and Resources)
⦁    Austin Bar Association (Environmental Section)
⦁    District of Columbia Bar
⦁    Air & Waste Management Association
⦁    Houston Bar Foundation Fellow
⦁    Texas Bar Foundation Fellow
⦁    Houston Bar Association Lawyers Against Waste Committee (Former Chair)

Publications and Presentations

⦁    Chapter 1 (“Overview”), Texas Environmental Law, Volumes 45 and 46, West Group’s Texas Practice Series
⦁    “Environmental Aspects of Real Estate Transactions” – 27th Annual Land Development Seminar
⦁    “Doing the Deal from the Environmental Perspective” – 28th Annual Outlook for Texas Land Markets
⦁    The Intersection of Railroad Commission, Regulation and Groundwater Protection. Texas Alliance of      Groundwater Districts
⦁    “EPA’s Environmental Justice Program” – Air & Waste Management Association EM magazine
⦁    “Environmental Legal Issues Associated with Oil & Gas Production in Shale Formations” – State Bar of Tx. 
Annual Meeting
⦁    “Carbon Storage: Texas Stakes its Claim” – ABA’s Natural Resources & Environment
⦁    “Environmental Justice – Where Are We Now”  (Defense Research Institute’s For the Defense)
⦁    “E&P – A Legal Overview” – 22nd Annual Environmental Superconference, State Bar of Texas, Austin
⦁    “Rail Crossing: Life After BNSF Railway Company v. U.S.” – Texas Environmental Law Roundtable
⦁    “Change is in the Air – Environmental Regulation under the Obama Administration” – Consultant Roundtable

⦁    “Superfund Case Law and Program Update” – Texas and Federal Environmental Law Roundtable
⦁    “Administrative Case Law Update” – 20th Annual Environmental Superconference, State Bar of Texas, Austin
⦁    “Enforcement Trends and Administrative Penalties” – 10th Annual Advanced Administrative Law Seminar
⦁    “Updating the Clean Air Act” – American Bar Association

Gregg Law PC
910 West Avenue, Suite #3, Austin, TX 78701

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