Department of Hydrology and Water Resources were organized in 1966. Today the department is part of the College of Engineering and Mines, The University of Arizona (USA). The department have a strong reputation in areas of research in semi-arid regions, with four operating research centers, (CLIMAS - The Climate Assessment Project for the Southwest, RESAC - Regional Earth Science Applications Center, SAHRA - Sustainability of semi-Arid Hydrology and Riparian Areas, NIEHS - Superfund Grant to detect hazardous substances in the environment) and also a strong outreach program. This web site provides information about people in the department, relates program, courses, scientific research, publication, etc.