Andrea Achilli (IMAGE) University of Arizona College of Engineering Caption Andrea Achilli is a principal investigator on a project that aims to improve water security and water reuse methods in the arid southwestern United States. Credit Julius Schlosburg for the University of Arizona Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.