Picture of Maureen N. Harbourt

Maureen N. Harbourt

Of Counsel

Maureen Harbourt is of counsel in the Baton Rouge office of Kean Miller. She joined the firm in 1983 and has over 25 years of experience in Louisiana and federal environmental law. Maureen was named a 2016 Energy and Environmental Trailblazer by the National Law Journal in May 2016. She represents local, national and international industrial and commercial clients in a wide variety of substantive environmental areas such as Title V, PSD and CAIR/CATR air permitting, emissions trading, greenhouse gas and climate change, stratospheric ozone regulation, underground injection including gas storage and carbon sequestration projects, hazardous waste and remediation, RECAP, environmental compliance and audits, environmental aspects of project financing, due diligence and environmental issues in mergers, acquisitions and reorganizations, and with respect to regulatory and legislative development.

Maureen works with the Louisiana Chemical Association and other trade associations and individual clients with regard to environmental permitting and project planning, as well as rulemaking and legislative issues. She regularly advises clients with regarding to compliance issues. Maureen has particular experience in creating in-plant environmental training programs. She also works extensively with other members of the firm on energy and alternative energy development projects.

Maureen is a founding member of the firm’s Diversity Council and regularly participates in activities to encourage diversity within the legal profession. She has been listed in Louisiana Super Lawyers from 2008-2023 and in 2010 and 2022 was included on the Top 25 Women Attorneys in Louisiana list. She was recognized as one of Baton Rouge Business Report's nine most Influential Women in Business for 2010. She is listed as a top lawyer in Chambers USA 2018-2023, in the area of environmental law. She is listed by The Best Lawyers in America, 2006-2024 and was listed as the Baton Rouge Lawyer of the Year in Environmental Law for 2012 and 2021. She was listed in the 2023 edition of Baton Rouge Business Report's Capital Region 500. Maureen is AV-rated by Martindale-Hubbell.

Representative Experience
  • Counsel to a national chemical company on environmental issues with regard to a multi-million dollar acquisition of a Lake Charles facility
  • Successful defense of a major international petrochemical company in litigation upholding new source air permits for plant expansion
  • Counsel to major energy company in a $590,000,000 acquisition of a Louisiana refinery
  • Counsel to major petroleum-coke gasification project in permitting and environmental assessment issues
  • Counsel to several clients in obtaining PSD, acid rain, and Title V permits for new power units and other “greenfield” plants
  • Successful reclassification of hazardous waste stream to a recyclable material for a Louisiana chemical manufacturing company
  • Counsel to trade association for development of carbon sequestration legislation in Louisiana
  • Counsel to pipeline client for environmental permitting associated with major new natural pipeline and associated compressor stations

Maureen earned her B.A. from Louisiana State University in 1979. She earned her J.D. in 1982 from the LSU Law Center where she was a staff writer for the Louisiana Law Review.

  • Admitted, Louisiana, 1983
  • Baton Rouge, Louisiana State (Environmental Law Committee) and American (Section on Energy and Environmental Resources and ABA Commission on Women in the Profession) Bar Association; Air and Waste Management Association; Women's Energy Network, Louisiana Chapter
Articles, Publications and Presentations
Community Service
  • Board Member, Louisiana Resource Center for Educators
  • United Way, Gottlieb Association
  • Past Chairman of Kean Miller Committee, Volunteers in Public Schools, Glen Oaks Middle School
  • Baton Rouge Green
  • Steering Committee for Economic Development Campaign, Educational Council, Baton Rouge Chamber of Commerce
Super Lawyers
Maureen N. Harbourt Super Lawyers 15 Years
Maureen N. Harbourt Super Lawyers Top 25 Women