Thomas Valachovics is a hydrogeologist with the Ohio Geological Survey. Specializing in glacial aquifer systems, his current projects include the statewide mapping of groundwater vulnerability in Ohio. Valachovics brings additional experience in geomorphology, geochronology, and geophysics to the survey, and has worked previously with the Indiana Geological and Water Survey. He earned a B.S. in geology from Grand Valley State University and an M.S. in geology from the University of Toledo.