Channah M. Rock, PhD , is a Water Quality Extension Specialist and Professor  in the Department of Environmental Science at the University of Arizona.
Her background in both microbiology and civil and environmental engineering has focused her work on better understanding how pathogens and indicators survive water treatment and what factors can affect their persistence in the environment. 
Her research interests include microbiology, parasitology, virology, molecular biology, wastewater, and biosolids. 
Rock has a BS in Microbiology from New Mexico State University, and both an MS and PhD in Civil and Environmental Engineering from Arizona State University. She conducted post-doctoral research at the US Department of Agriculture, Agricultural Research Service.