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Vicki Marquis


401 North 31st Street, Suite 1500, Billings, MT 59101

Vicki provides effective counsel to clients on natural resource and environmental litigation and permitting matters, specializing in water quality, endangered species, and environmental review.

Vicki’s experience includes federal and state litigation as well as conflicts in front of the Montana Board of Environmental Review. She also assists clients in obtaining federal and state permits, responding to compliance and enforcement actions, and completing due diligence assessments. Vicki has worked with legislators, agencies, and industry groups on water quality issues, including new legislation and administrative rulemaking. Additionally, Vicki has presented legal education seminars on water quality regulation and the challenges facing natural resource permittees in Montana.

Clients benefit from Vicki’s scientific experience, including her work as an environmental enforcement specialist for the Montana Department of Environmental Quality, as a chemist in private industry, and as a coordinator for a local government watershed group. Additionally, Vicki has gained professional and leadership skills from more than fifteen years of service in the United States Army Reserve and National Guard, including her current service in the Judge Advocate General’s Corps.


Federal and state litigation involving:

  • Clean Water Act / Montana Water Quality Act
  • Endangered Species Act
  • Environmental Review - NEPA / MEPA
  • Surface Damage and Use
  • Reclamation
  • Hazardous waste

Environmental due diligence and permitting:

  • Water quality and water rights
  • Endangered species
  • Mining
  • Hazardous waste


Bar Admissions

Court Admissions


  • Best Lawyers: Ones to Watch, Environmental Law, 2021

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