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WEDA Webinar - Reservoir Sediment Dredging for Long-Term Management



Reservoir Sediment Dredging Panelist

  • Dr. Greg Morris, Reservoir Sediment Expert
  • Dr. John Shelley, U.S. Army Corps of Engineers
  • Michael Whelan, Anchor QEA, LLC
  • David Olson, U.S. Army Corps of Engineers
  • Dr. Tim Randle, retired from the Bureau of Reclamation
  • Stanley Ekren, Great Lakes Dredge & Dock Co.

Moderator: Michael Whelan, Principal, Anchor QEA, LLC
Facilitator: Kathryn Thomas, President, ANAMAR Environmental Consulting, Inc. 

Friday August 14, 2020
1:00 PM to 2:00 PM EST

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General Webinar Overview:  
This panel will discuss the current state of reservoir sedimentation in the United States, estimated reservoir capacity losses, flooding impacts due to the loss capacity, dredging practices to reduce reservoir sedimentation, current research efforts by the USACE,  environmental benefits and steps to secure permits for reservoir dredging, and Reclamation and USACE research prize competition for reservoir sediment removal. 

Bureau of Reclamation and USACE research prize competition for Reservoir Sediment Removal - view details

Abstract - view full abstract
The abstract was developed from the executive summary from the White Paper entitled “Reservoir Sediment Management: Building a Legacy of Sustainable Water Storage Reservoirs. The White Paper was previously published in the proceedings of the SEDHYD‐2019 conference by the National Reservoir Sedimentation and Sustainability Team (NRSST), (Randle, et al., 2019, https://www.sedhyd.org/reservoir-sedimentation/): 

  • NRSST is comprised of 25 members from 15 organizations who authored the White Paper
  • The paper has received four (4) external peer reviews
  • The list of names and organizations will be provided in the presentation

Panel Presentations/Discussions: 

  • Panel Moderator/Introductions: Michael Whelan (5 minutes)
  • NRSST Perspective: Greg Morris (10 minutes)
    • Statement of reservoir sedimentation problem and why it is important.
    • Annual reservoir dredging is needed to achieve sustainable storage capacity for reservoirs that cannot use reservoir water for sediment management.
  • USACE Reservoir Research:  John Shelly (10 minutes)
    • Focus on delivering sediment to downstream channel and the environmental benefits and other considerations.
  • Dredging practice: Michael Whelan (10 minutes)
    • Discuss how reservoir dredging is different than navigational dredging (e.g., annual operation, only dredge certain areas of the reservoir, fluctuating reservoir levels, deliver sediment past the dam to downstream channel).
  • Regulatory: David Olson (10 minutes)
    • Address how a permit can be obtained to continually dredge reservoir sediment.
  • Research Prize Competition for Reservoir Sediment Removal: Tim Randle (5 minutes)
    • Reclamation and USACE seek new or improved techniques for reservoir sediment removal in a cost-effective manner that still preserves and sustains the operational objectives of reservoirs.
    • New or improved techniques may include reducing energy cost, improved efficiency of sediment collection, reducing the number of people required to operate and maintain the equipment, improved durability of equipment to operate over many months in variable environmental conditions, increased capabilities to remove sediment from water depths greater than 50 ft.
  • Questions - 10 minutes

This Reservoir Sediment Dredging Panel webinar is being offered by WEDA as part of our mission to share knowledge and information about dredging. Because WEDA is a non-profit organization, with its goal not to make money but to share information, WEDA is offering this webinar complementary to members. Please make sure your WEDA membership is active and if your are unsure, please contact us at info@westerndredging.org. Use the following link to register for the Zoom webinar.


Thanks and we look forward to seeing you online!