Applied Hydrological Education and Consulting, Inc. - Expert Hydrology, Hydrogeology, and Environmental Science

​Expert: Hydrology and Environmental Science

Dr. James J. Connors

Dr. James J. Connors is a Professional Hydrologist and Geoscientist with 40 years of experience. He has worked on numerous projects and legal disputes involving surface and subsurface hydrology. His career also includes extensive bodies of work as an award-winning academic, a consulting hydrologist, and a testifying and consulting expert witness in hydrology. Dr. Connors has been retained as an expert witness in more than 90 legal disputes and has testified 37 times. His cases have been in U.S. state and federal courts and abroad.


Currently, Dr. Connors' practice focuses primarily on cases and projects involving:

  • Environmental contamination, including impacts associated with PFAS, PCBs, nutrients, radiation, metals, fuels, oil, solvents, and microbes, as well as impacts from landfill leachate, pipeline releases, AFFF/firefighting foam use, chemical spills, etc.;

  • Stormwater runoff and associated flooding, erosion, sediment transport, and sediment deposition, including construction site erosion and sediment control and stormwater flow caused by development and other land-use changes; and

  • General hydrology, including water-supply, watersheds, wetlands hydrology, natural drainage, hydrology-related accidents, surface-water/groundwater interactions, and coastal and river/stream flow dynamics.​


Dr. Connors is also an award-winning educator. He has taught university-level courses in hydrology, hydrogeology, geophysics, computer modeling, and geology and served in numerous academic leadership positions. His professional affiliations include the American Institute of Hydrology, Geological Society of America, ​International Association of Hydrogeologists, Sigma Xi Scientific Research Honor Society, and Sigma Gamma Epsilon Earth Sciences Honor Society.

Expert witness in hydrology, Dr. James Connors, Stormwater Expert, Groundwater Expert, PFAS, AFFF, flooding, erosion, runoff