Hydrology Expert Witnesses

Hydrology expert witnesses and consultants listed here may be able to form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts on hydrology. The hydrology expert witness listings on this page are typically from fields/areas of expertise such as: Civil Engineering, Engineering, Environmental, Geotechnical Engineering, Hydrology, and Structural Engineering.

David T Williams, PhD, PE, PH, CFM, CPESC, F.ASCE, D.WRE DTW and Associates, Engineers, LLC

California
Civil Engineering, Hydrology - floodplain flooding, hydrology, river hydraulics, stream bank protection, stream restoration, fluvial geomorphology, levees, erosion control, stream bank failure, erosion control plans, best management practices, FEMA floodplain studies
Dr. David Williams, PE (CO, AZ, CA, LA, MO, NM, TX, HI, MS, OR, WA) has over 45 years of experience in the water resources industry and is known for his contributions to the industry. He is also a recognized expert in sedimentation engineering and in developing innovative solutions to difficult hydraulic and hydrologic design problems in rivers and estuaries. Dr. Williams previously served as a two time President of the International Erosion Control Association (IECA). He has served as chair of the American Society of Civil Engineers (ASCE) Technical Committees on Sedimentation, Computational Hydraulics, River Restoration, and Risk, Uncertainty and Probabilistic Approaches. He served as a committee member of ASTM A05.12 (Wire specifications) and on ASTM D18.25 (Erosion Control Products). While chair of the Federal Interagency Technical Committee on Sedimentation, he worked with hydraulic and sedimentation experts from the Federal Highway Administration, Bureau of Reclamation, U.S. ...

David T Williams, PhD, PE, PH, CFM, CPESC, F.ASCE, D.WRE DTW and Associates, Engineers, LLC

Commerce City, Colorado
Civil Engineering, Hydrology - floodplain flooding, hydrology, river hydraulics, stream bank protection, stream restoration, fluvial geomorphology, levees, erosion control, stream bank failure, erosion control plans, best management practices, FEMA floodplain studies
Dr. David Williams, PE (CO, AZ, CA, LA, MO, NM, TX, HI, MS, OR, WA) has over 45 years of experience in the water resources industry and is known for his contributions to the industry. He is also a recognized expert in sedimentation engineering and in developing innovative solutions to difficult hydraulic and hydrologic design problems in rivers and estuaries. Dr. Williams previously served as a two time President of the International Erosion Control Association (IECA). He has served as chair of the American Society of Civil Engineers (ASCE) Technical Committees on Sedimentation, Computational Hydraulics, River Restoration, and Risk, Uncertainty and Probabilistic Approaches. He served as a committee member of ASTM A05.12 (Wire specifications) and on ASTM D18.25 (Erosion Control Products). While chair of the Federal Interagency Technical Committee on Sedimentation, he worked with hydraulic and sedimentation experts from the Federal Highway Administration, Bureau of Reclamation, U.S. ...

Christopher R Hanstad, P.E., CFM Hanstad Engineering Services

Champaign, Illinois
Civil Engineering - Floodway Violations, Floodplain Modeling, Flood Damage and Loss Assessment, Hydrology, Hydraulics, FEMA Floodplain Revisions, Drainage
Mr. Chris Hanstad has over 10 years of focused experience in floodplain analysis and evaluation of projects for compliance with the National Flood Insurance Program (NFIP) regulations. As a Licensed Professional Engineer (IL, IN, and WI) and Certified Floodplain Manager he has led the Illinois Letter of Map Revision (LOMR) program for 8 years from its inception to make determination decisions for floodplain revision requests. Based on rigorous floodplain modeling technical standard and NFIP regulation compliance, Mr. Hanstad has personally made determination decisions for hundreds of LOMR applications which result in revisions to FEMA floodplain maps. Mr. Hanstad specializes in evaluating the flood risk impact of projects built in the floodplain on adjacent properties. He has made 7 floodway violation recommendations to FEMA and has provided litigation support for flooding resulting from a floodway violation. With in-depth knowledge of NFIP regulations and specialized technical...

John Hlinka, PE, M. ASCE

Benton, Kentucky
Structural Engineering, Civil Engineering - civil, forensic science, accident analysis, failures, foundations, structures, drainage, culverts, washouts, hydrology, investigations, corrosion, chemical, industrial, building codes, inspections, construction, OSHA Compliance, swimming pools, structural, tornado, earthquake, railroad, highway
Mr. Hlinka has worked over 39 years in the Engineering, Procurement and Construction Management market with experience in numerous industries: Chemical, Oil Refinery, Pulp & Paper, Adhesives, Nuclear Power Generation, Nuclear Feed Stock, and Steel. His work has overlapped with residential and commercial industries. Throughout his career he has engineered and managed a myriad of projects in these industries and has provided leadership to the various companies in the capacities of: Site Manager, Design Manager, Project Manager, Construction Supervisor, and currently as President. Design engineering, analysis, and inspection experience includes structural steel, reinforced concrete, masonry, wood, and stormwater drainage.

Chuck Dutill, PE, DFE Heritage Technical Services, Inc.

West Chester, Pennsylvania
Environmental, Engineering - Hydrology, Sewer, Water, Flooding, Groundwater, Hydrogeology, Drainage, Wastewater Treatment, Septic Systems, Utility, Sewer Systems, Sanitary Sewage, Mold, Stormwater Management, Hydraulics, Hazardous Waste, Drinking Water, Waste Management, Erosion, Soils, Pumping, Water Quality, Air Quality
Nationwide experience as hydrologist, environmental engineer, and civil engineer, including for construction, operations, design, inspections, floodplains, contamination, toxicity, hazardous waste, spills, grading, remediation, pollution, sinkholes, health and safety, pumping, modeling, odors, soils, dams, regulations, combined sewers, overflows, aquifers, water distribution, water treatment, hydraulic fracturing, Standard of Care, sedimentation, hydroplaning, wetlands, landfills, monitoring, infiltration/inflow, and metering. Forensic cases for Mr. Dutill have comprised federal and state courts, and include damages from approximately $25,000 to approaching $1 billion, with most between $100,000 to $5M. As indicated in feedback from attorneys on expert witness cases, some of the strengths of Mr. Dutill include understandable guidance, responsiveness, timeliness, communication, effective report writing, strong testimony (including on cross), efficiency, organization, and assistance ...

Michael Sheleheda, P.E. Civil & Environmental Consultants, Inc.

Monroeville, Pennsylvania
Civil Engineering, Geotechnical Engineering - Stormwater, Erosion and Sediment Control, Hydrology, Landslides and Slope Stability, Foundations, Settlement, Retaining Walls, Geohazards, Pavement Evaluation and Remediation, Earthwork, Construction and Materials Testing, and Americans with Disabilities Act (ADA) Accessibility.
Mr. Sheleheda specializes in geotechnical and civil engineering. His experience includes providing geotechnical engineering design/expertise for all aspects of land development and construction. Projects have included establishing procedures for subsurface explorations, boring layout, soil sampling, and laboratory testing programs. Michael has authored geotechnical reports regarding deep, shallow, and specialty foundation construction for projects in the real estate, natural gas, manufacturing, mining and public client sectors. Also, he has investigated and provided remedial recommendations for landslides, carbonaceous (expansive) shale, retaining walls, karst, geohazards, and mine grouting/subsidence. His responsibilities have included preparing bid packages, authoring specifications, and construction level drawings, as well as preparing expert reports for the legal and insurance industries. In addition, Michael has experience in the preparation of erosion and sediment control pla...

David T Williams, PhD, PE, PH, CFM, CPESC, F.ASCE, D.WRE DTW and Associates, Engineers, LLC

Texas
Civil Engineering, Hydrology - floodplain flooding, hydrology, river hydraulics, stream bank protection, stream restoration, fluvial geomorphology, levees, erosion control, stream bank failure, erosion control plans, best management practices, FEMA floodplain studies
Dr. David Williams, PE (CO, AZ, CA, LA, MO, NM, TX, HI, MS, OR, WA) has over 45 years of experience in the water resources industry and is known for his contributions to the industry. He is also a recognized expert in sedimentation engineering and in developing innovative solutions to difficult hydraulic and hydrologic design problems in rivers and estuaries. Dr. Williams previously served as a two time President of the International Erosion Control Association (IECA). He has served as chair of the American Society of Civil Engineers (ASCE) Technical Committees on Sedimentation, Computational Hydraulics, River Restoration, and Risk, Uncertainty and Probabilistic Approaches. He served as a committee member of ASTM A05.12 (Wire specifications) and on ASTM D18.25 (Erosion Control Products). While chair of the Federal Interagency Technical Committee on Sedimentation, he worked with hydraulic and sedimentation experts from the Federal Highway Administration, Bureau of Reclamation, U.S. ...

Michael F Myers, PE, CFM 30 Scale, LLC

Palmyra, Virginia
Civil Engineering, Hydrology - Drainage, Hydrology, Hydraulics, Floodplain Mapping, Storm Sewer, Stormwater Management, Flooding, Storm Drainage, FEMA, Grading, Erosion and Sediment Control, Runoff
Mr. Myers has over 25 years of experience as a civil engineer in Virginia as the engineer-of-record on projects involving hydrologic/hydraulic analysis for land development projects. A Professional Engineer in Virginia since 1999 and a Certified Floodplain Manager since 2012, Mr. Myers is experienced in commercial and residential stormwater management design, floodplain management, erosion and sediment control design, and assessing drainage issues through field investigation and written report.