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Annual Georgia Environmental Conference logo, highlighting environmental themes and Ellingson-DTD's participation in coal ash dewatering discussions.

Georgia Environmental Conference August 20 – 22, 2025 Jekyll Island, FL

Brian Shinall, CHMM – Ellingson-DTD Michael Lazar, PE, PMP – Duke Energy
“Update on Horizontal Wells for Dewatering and Groundwater Containment at Coal Combustion Residuals (CCR) Sites”

Tennessee Environmental Network Show of the South logo, featuring green and blue elements, representing environmental themes and initiatives.

Tennessee Environmental Network Show of the South May 14 – 16, 2025 Chattanooga, TN

Brian Shinall, CHMM – Ellingson-DTD
“Using Horizontal Wells to Tackle CCR Dewatering and Groundwater Control”

USWAG logo representing the Utility Solid Waste Activities Group, focusing on environmental solutions in solid waste management.

Utility Solid Waste Activities Group (USWAG) 11th Annual CCR Workshop April 29 – May 1, 2025 Columbus OH

Brian Shinall, CHMM – Ellingson-DTD
David Bardsley, PG – Ellingson-DTD
“Single-Ended (Blind) Directional Wells for Ash Basin Dewatering”

WCA logo representing the World of Coal Ash conference, emphasizing coal ash management and environmental solutions.

American Coal Ash Association World of Coal Ash May 13 – 16, 2024 Grand Rapids, MI

Dan Ombalski, PG, PE – Ellingson-DTD
Brian Shinall, CHMM – Ellingson-DTD
Michael Lubrecht, LG – Ellingson-DTD
David Bardsley, PG – Ellingson-DTD
“Horizontal Vibrating Wire Piezometer Installation – A New Direction in Geotechnical Evaluation”
Dan Ombalski, PG, PE – Ellingson-DTD
Brian Shinall, CHMM – Ellingson-DTD
Michael Thornbrue – CTI & Associates
David Bardsley, PG – Ellingson-DTD
“Single-Ended (Blind) Directional Wells or Ash Basin Dewatering”

American Ground Water Trust logo featuring a blue background with a white water droplet and text emphasizing education, awareness, and technology related to groundwater management.

American Groundwater Trust Groundwater & Coal Combustion Residuals Meeting January 16, 2019 Atlanta, GA

David Bardsley, PG – Ellingson-DTD
“Horizontal Well Used for Coal Ash Basin Dewatering”

Battelle logo for the Conference on Remediation of Chlorinated and Recalcitrant Compounds, highlighting environmental innovation and research.

Battelle 2018 Remediation of Chlorinated and Recalcitrant Compounds April 8 – 12, 2018 Palm Springs, CA

Michael Lubrecht, LG – Ellingson-DTD
Ryan Baeten, PE – Waste Management
“Dewatering a CCP Landfill with a Horizontal Well”

WCA logo representing the World of Coal Ash conference, emphasizing coal ash management and environmental solutions.

American Coal Ash Association World of Coal Ash May 8 – 11, 2017 Lexington, KY

Michael Lubrecht, LG – Ellingson-DTD
Ryan Baeten, PE – Waste Management
Leif Tolokken – Dairyland Power Cooperative
“CCP Dewatering Using a Horizontal Well”