The Water Resources Collections and Archives (WRCA), formerly known as the Water Resources Center Archives, is an archive with unpublished manuscript collections and a library with published materials. It was established to collect unique, hard-to-find, technical report materials pertaining to all aspects of water resources and supply in California and the American West. Located on the campus of the University of California Riverside (UCR), it is jointly administered by the UCR College of Natural and Agricultural Sciences (CNAS) and the UCR Libraries. WRCA was part of the University of California Center for Water Resources (WRC) that was established and funded in 1957 by a special act of the California State Legislature and was designated the California Water Research Institute by a federa