Staff Directory

Peter Castiglia, PGWilliam NicholsLarry Coons, PE, PHg, DGE, DEE

Peter Castiglia, PG

A member of INTERA's Executive Team and Vice President of the mining and water resources group based in New Mexico, Peter Castiglia is responsible for the operations that provide hydrogeology, geochemistry, and engineering services to the company's mining clients. As a Senior Hydrogeologist, Peter leads multi-disciplinary teams in the development of water-supply strategies for mineral…
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William Nichols

William “Will” Nichols’ professional experience as water resources engineer has focused on the areas of hydrology, environmental site characterization, fate and transport modeling, pathway and exposure modeling, uncertainty and sensitivity analysis, integrated risk assessment, probabilistic modeling and simulation, and software quality assurance. He has applied his expertise in these areas to help solve problems of…
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Larry Coons, PE, PHg, DGE, DEE

Larry Coons’ professional experience has focused on applying his skills in geology, hydrogeology, and engineering to projects in New Mexico and throughout the Rocky Mountain west. He is a classified expert witness in groundwater hydrology, aquifer hydraulics, groundwater engineering, disposal cell performance assessments, and civil engineering, and has provided testimony in both judicial and quasi-judicial…
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