Environmental Law

From assisting our clients in state and federal environmental compliance, to helping with permitting, transactions, enforcement action defense and litigation, Welborn’s environmental lawyers offer unparalleled insight into matters where the overall context is natural resource development.


  • Represented companies in environmental penalty negotiations with the Environmental Protection Agency (EPA) and the Colorado Department of Public Health and Environment (CDPHE)
  • Represented potentially responsible parties (PRPs) in negotiations over allocation of liability and remediation at contaminated sites
  • Conducted environmental audits to ensure compliance with air, water quality, and hazardous waste requirements
  • Represented natural resource industry associations in federal district court and in the Tenth Circuit in defense of challenged state water quality standards under the Clean Water Act
  • Represented a timber company in federal district court and in the Ninth Circuit in defense of an innovative Endangered Species Act conservation agreement
  • Counseled and represented natural resource companies in National Historic Preservation Act permitting
  • Represented an oil and gas company in a challenge to development plans brought under the federal Clean Air Act
  • Represented oil and gas clients before the EPA in Safe Drinking Water Act Underground Injection Control permitting
  • Represented companies in stormwater enforcement proceedings
  • Edited and contributed to Environmental Regulation of Colorado Real Property published by the Colorado Bar Association