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Aaron Tucker


555 17th Street, Suite 3200, Denver, CO 80202

Aaron provides clients with effective assistance and representation on a variety of environmental compliance, enforcement, and litigation issues.

Aaron counsels clients on assessment and permitting, compliance and enforcement, and rulemaking. He works closely with clients to provide practical guidance on a wide range of environmental matters, including air quality, water quality, and environmental compliance issues that may arise during project development, operation, and closure.

Aaron helps clients navigate regulatory and permitting requirements involving air quality and water quality, including the development of carbon capture, utilization, and storage (CCUS) projects. Clients look to Aaron for assistance with managing the risks, liabilities, and regulatory considerations of CCUS, including Class VI permitting for geologic sequestration. He also represents clients in enforcement actions before regulatory agencies.

Aaron previously worked at the Texas Commission on Environmental Quality where he represented the Office of Public Interest Counsel in various proceedings before the Commission, including rulemaking, enforcement, and contested case hearings at the State Office of Administrative Hearings over air, water, and waste permits.


Aaron has experience with various environmental laws and regulations, including:

  • Clean Air Act
  • Clean Water Act
  • Safe Drinking Water Act Underground Injection Control Program
  • RCRA
  • Administrative Procedures Act
  • Colorado Air Quality Control Commission regulations
  • Colorado Oil and Gas Conservation Commission regulations

Clients look to Aaron for assistance meeting ever-changing regulatory standards:

  • Permitting of CCUS projects, including Class VI wells
  • Compliance with state and federal air quality regulations, including implementation of Colorado's oil and gas regulations
  • Permitting and licensing processes for energy and natural resource facilities
  • Guidance on self-compliance audits
  • Development of federal and state regulations through hearings and written comments
  • Negotiating settlements of violations



Speaking Engagements


Bar Admissions

Professional and Civic Affiliations

  • Colorado Bar Association, Environmental Section, Member 2019-present
  • Institute for Energy Law Young Energy Professional Advisory Board Member

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