Floodplain Expert Witnesses

Floodplain 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 floodplain. The floodplain expert witness listings on this page are typically from fields/areas of expertise such as: Civil Engineering, Construction Engineering, and Hydrology.

Chad Ballard

Surface Water, Hydrology and Flood Expert

High Water Mark

California
Hydrology, Civil Engineering - Floodplain, Flooding, Hydrology, River Hydrualics, Levee Breach, Dam Break/Failure, Stormwater, FEMA, Advanced Modeling, Storm Recreation, Erosion, Rainfall, Flood Forensics, Bridge Hydraulics, Water Resources
Mr. Chad Ballard is a licensed civil engineer (CA, TX, CO, WA) working in the water resources field, more specifically hydrology and hydraulics specializing in advanced hydraulic and hydrologic modeling, stormwater, and flood mitigation. In addition to a broad range of engineering skills, Mr. Ballard has helped hundreds of engineering firms all around the world apply hydraulic models to their projects. Mr. Ballard has taught undergraduate and graduate level courses in hydraulics and hydrology as an adjunct faculty member, as well as currently teaching professional continuing education courses for the new 2D numerical modeling tools such as HEC-RAS and SRH-2D. Mr. Ballard is active in professional organizations including ASCE, EWRI and TFMA where he has served and is serving in various leadership positions at the state and national level. Chad is also a current volunteer member of the Region 3 State Flood Planning Group overseeing the Regional State Flood Plan development effort i...

Gerald Blackler, Ph.D, P.E., D.WRE

Denver, Colorado
Hydrology, Civil Engineering - Water Resources, Hydraulics, Floodplain, Flood Forensics, Hydrologist, Hydraulic Modeling, Transportation Drainage, Roadway Drainage, Rainfall, Runoff, Design Storms, Sedimentation, Sediment Transport, Stormwater, Culvert, Stormsewer, Urban Hydrology, Urban Flooding, Construction
Water flows downhill, sometimes water is a resource, sometimes it is an enemy, sometimes it is both. If your case involves the impact of water, my expertise is available for your case. I am an expert in hydrology, hydraulics, the engineering of drainage systems, including culverts, transportation drainage, bridge scour, bridge hydraulics, floodplain management, transportation hydraulics, water resources, and accidental death or drowning near hydraulic structures. My work routinely produces technical evidence that is hard to dispute and easy to understand. My background and experience in consulting and teaching allows me to produce complicated information in a format that is easy to digest, such as video files, and images that explain the complicated physical interactions of hydrology and hydraulics. Some of my past litigation work produced evidence that was not disputed by opposing experts. My approach is to first understand the case, then to discuss one on one what technica...

Joel A Paulsen, PE

Paulsen Engineering

MOORHEAD, Minnesota
Civil Engineering, Construction Engineering - P3, Floodplain, Flood Control, Program Management, Project Management, Water, Drainage, Highway, Street, Sewer, Storm Sewer, Dispute Resolution, Contract Dispute, Flooding, Environmental Mitigation, Permit Compliance, Construction permitting
Seasoned Executive Director and Civil Engineer with over 20 years of comprehensive experience in managing large-scale infrastructure projects in the public and private sectors. Recognized for pioneering the Metro Flood Diversion Authority, overseeing the first and largest split-delivery P3 project in collaboration with the U.S. Army Corps of Engineers, which brought about innovative flood control solutions and substantial cost and time savings. Demonstrated success in securing significant federal and state funding, achieving record-low financing rates, and negotiating pivotal legal settlements to drive project progress. Expert in sustainable practice integration, such as implementing biofuel usage in construction, which marked a national first. Highly adept in technical design and project management across various civil engineering disciplines including water distribution, sanitary systems, and storm sewer management. My career is distinguished by my commitment to achieving project ...

Joel A Paulsen, PE

Paulsen Engineering

North Dakota
Civil Engineering, Construction Engineering - P3, Floodplain, Flood Control, Program Management, Project Management, Water, Drainage, Highway, Street, Sewer, Storm Sewer, Dispute Resolution, Contract Dispute, Flooding, Environmental Mitigation, Permit Compliance, Construction permitting
Seasoned Executive Director and Civil Engineer with over 20 years of comprehensive experience in managing large-scale infrastructure projects in the public and private sectors. Recognized for pioneering the Metro Flood Diversion Authority, overseeing the first and largest split-delivery P3 project in collaboration with the U.S. Army Corps of Engineers, which brought about innovative flood control solutions and substantial cost and time savings. Demonstrated success in securing significant federal and state funding, achieving record-low financing rates, and negotiating pivotal legal settlements to drive project progress. Expert in sustainable practice integration, such as implementing biofuel usage in construction, which marked a national first. Highly adept in technical design and project management across various civil engineering disciplines including water distribution, sanitary systems, and storm sewer management. My career is distinguished by my commitment to achieving project ...

Chad Ballard

Surface Water, Hydrology and Flood Expert

High Water Mark

Dallas, Texas
Hydrology, Civil Engineering - Floodplain, Flooding, Hydrology, River Hydrualics, Levee Breach, Dam Break/Failure, Stormwater, FEMA, Advanced Modeling, Storm Recreation, Erosion, Rainfall, Flood Forensics, Bridge Hydraulics, Water Resources
Mr. Chad Ballard is a licensed civil engineer (CA, TX, CO, WA) working in the water resources field, more specifically hydrology and hydraulics specializing in advanced hydraulic and hydrologic modeling, stormwater, and flood mitigation. In addition to a broad range of engineering skills, Mr. Ballard has helped hundreds of engineering firms all around the world apply hydraulic models to their projects. Mr. Ballard has taught undergraduate and graduate level courses in hydraulics and hydrology as an adjunct faculty member, as well as currently teaching professional continuing education courses for the new 2D numerical modeling tools such as HEC-RAS and SRH-2D. Mr. Ballard is active in professional organizations including ASCE, EWRI and TFMA where he has served and is serving in various leadership positions at the state and national level. Chad is also a current volunteer member of the Region 3 State Flood Planning Group overseeing the Regional State Flood Plan development effort i...

Gerald Blackler, Ph.D, P.E., D.WRE

Texas
Hydrology, Civil Engineering - Water Resources, Hydraulics, Floodplain, Flood Forensics, Hydrologist, Hydraulic Modeling, Transportation Drainage, Roadway Drainage, Rainfall, Runoff, Design Storms, Sedimentation, Sediment Transport, Stormwater, Culvert, Stormsewer, Urban Hydrology, Urban Flooding, Construction
Water flows downhill, sometimes water is a resource, sometimes it is an enemy, sometimes it is both. If your case involves the impact of water, my expertise is available for your case. I am an expert in hydrology, hydraulics, the engineering of drainage systems, including culverts, transportation drainage, bridge scour, bridge hydraulics, floodplain management, transportation hydraulics, water resources, and accidental death or drowning near hydraulic structures. My work routinely produces technical evidence that is hard to dispute and easy to understand. My background and experience in consulting and teaching allows me to produce complicated information in a format that is easy to digest, such as video files, and images that explain the complicated physical interactions of hydrology and hydraulics. Some of my past litigation work produced evidence that was not disputed by opposing experts. My approach is to first understand the case, then to discuss one on one what technica...

L. David Givler, MSCE, PE

Givler Engineering, Inc.

San Antonio, Texas
Civil Engineering, Hydrology - flood, drainage, storm, water, floodplain, dam, hydraulics, FEMA, municipal, stormwater regulation, flood plain analysis, dam construction and maintenance, road construction and repair, water resources, runoff, flow, pipe, street, utility
Registration Professional Engineer, 1990 (PA No. PE 040565 E), 1993 (TX No. 73842), 2023 (OH No. PE.88791), 2023 (KY No. 38514), 2023 (OK No. 34041), 2023 (FL No. PE95991), 2023 (NM No. 28602), 2023 (MI No. 6201312442) Experience Experienced in hydrology and hydraulics. Performed numerous flood studies for rivers and creeks, bridge hydraulic studies, reservoir analyses, drainage designs and storm water pollution prevention plan designs. Experienced with dams. Designed new dams, performed inspections, analyzed seepage conditions, developed rehabilitation programs, developed Emergency Action Plans, developed foundation-grouting programs and constructed and operated physical models. Experienced city engineer, having served in multiple cities. Designed public street, drainage, and utility improvements. Reviewed subdivision plats, proposed utility modifications and ordinances. Experienced in site development and subdivisions. Designed roads, utilities, lot layouts, grading pla...