Internationally recognized as pioneers and leaders in Dam Safety Risk Assessment and Risk Management.


Engineers and Economists, LLC

​​Selected Professional Activities

  • Member, Working Group for preparation of International Commission on Large Dams (ICOLD) Bulletin on Dam Safety Management.
  • Elected to Board of Directors, U.S. Society on Dams, 2003 – 2009.
  • Member of the U.S. Society on Dams (USSD) Committee on Dam Safety and Dam Security (CODSDS).
  • Chair of a Working Group that prepared the USSD Emerging Issues White Paper Dam Safety Risk Assessment: What is it? Who’s using it and why? Where should we be going with it? Published in 2003.
  • One of five co-authors of the International Commission on Large Dams (ICOLD) B ulletin 130: Risk Assessment in Dam Safety Management: A Reconnaissance of Benefits, Methods and Current Applications. Published in 2005.
  • Peer Reviewer, ASCE publication, "Risk Assessment of dams and Hydroelectric Facilities: Guidance for Practical Application."
  • Member of the Task Committee on Hazard Potential Classification Guideline (FEMA 333) for the Subcommittee on Federal and Non-Federal Coordination of the Interagency Committee on Dam Safety (ICODS).
  • Former Control Member of the ASCE Geotechnical Safety and Reliability Committee.
  • Former Chairman of the AWRA National Technical Working Group on Modeling and Statistics.
  • Former President of the Utah and Colorado/Wyoming AWRA State Sections.

​​​​Other Experience

  • Co-Director of a five-year USU/Harza project for transferring river basin planning and management technology to India including the establishment of a national training center.
  • Extensive work for the mining industry including: permit preparation; water supply evaluation; diversion, control, storage, and treatment of surface water; hydrologic impact analysis of surface and subsurface mining; reclamation plans for a major strip mine in Wyoming; and the design of dewatering, depressurization, and injection well systems.
  • Evaluation of flood mitigation alternatives including dikes and West Desert pumping for Great Salt Lake flooding for the State of Utah during the years of high lake levels.
  • Benefit-cost, cost allocation, and pricing studies for a large water resources development project involving three West African nations on the Senegal River.
  • Stream channelization and land development engineering for several Denver developers including presentations to Planning and Zoning Commission and Urban Flood Control District.
  • Evaluation of flow and storage water rights aspects of mining developments and the ownership of new water from weather modification.
  • Hydrologic, water quality, and rainfall modeling through the development of state-of-the-art models and the application and review of existing statistical and simulation procedures for various agencies including: U.S. Bureau of Reclamation, U.S. Geological Survey, Office of Technology Assessment, National Science Foundation, and National Weather Service.
  • Extensive experience as an expert witness in major lawsuits covering mining impacts, water resources management, hydropower generation, toxic tort, urban flooding, canal break flooding, reservoir operation, potential hazard classification, dam failure and downstream impacts.
  • Development and presentation of many graduate classes and professional development training programs for all levels and audiences including: general public, professional groups, engineering firm board of directors, international development bank, legislative committees, etc.
  • Site engineering and supervision for drainage, highway, and industrial housing construction; design of mooring structures; and development of computerized management information, cost control, and cost estimating systems for an international civil engineering contractor based in London, England.

Managing Principal

Phone: +1.435.770.8709


Professor Emeritus of Civil and Environmental Engineering
Utah State University |Logan | Utah | U.S.A.

David S. Bowles, Ph.D., P.E., P.H., D.WRE, F.ASCE, F.AWRA