Dennis J. Conniff

T 502.568.0398
F 502.581.1087
400 West Market Street
Suite 3200
Louisville, Kentucky 40202-3363

Dennis represents clients with respect to issues concerning permitting and compliance in the waste, air and water programs.


Dennis spent nine years with the Department of Law (now Office of Legal Services), Kentucky Natural Resources and Environmental Protection Cabinet (now Energy and Environment Cabinet), where he served as manager of the Solid and Hazardous Waste Legal Branch and Director of Environmental Protection Legal Division. He also served as the representative of the Cabinet on the Environmental Crimes Workgroup.

He has represented and counseled clients in a broad range of administrative proceedings before environmental agencies, including USEPA Region 4; the Kentucky Energy and Environment Cabinet, Office of Administration Hearings; and the Louisville Metro Air Pollution Control District. In addition to representing clients in administrative litigation before these agencies he has litigated environmental issues in the Kentucky Circuit Courts and the Federal Courts for the Eastern and Western Districts of Kentucky.

Representative Matters

  • Air Enforcement Defense: Sulfur Dioxide Emissions
  • Permitting and Expansion of Landfills
  • RCRA Defense: RCRA 3013 Order
  • Louisville Metro STAR Program

Highlights & Recognitions

  • Kentucky Super Lawyers®, Environmental, 2013-2016
  • The Best Lawyers in America®, Environmental Law, Litigation - Environmental, 2003-2019; Louisville Environmental Law "Lawyer of the Year," 2013, 2018
  • Chambers USA, Environment, Natural Resources & Utilities: Environment, 2008-2017
  • Peer Review Rated, Martindale-Hubbell®

Memberships & Affiliations

  • ABA Section of Environment, Energy, and Resources (SEER) Waste and Recovery Committee, Chair
  • Greater Louisville, Inc. Environmental Affairs Committee, Chair of the Air Toxics Task Force
  • Kentucky Bar Association

Press Releases

Other Contact Info




Cynthia Endy
T 502.779.8640