2019 Å·ÃÀ¿Ú±¬ÊÓƵ WASH Symposium March 5 & 6, 2019 University of Å·ÃÀ¿Ú±¬ÊÓƵ Boulder Registration Now Open! Dear friends of the CO WASH Symposium, Registration for your favorite gathering of WASH practitioners, academics, and professionals is now open! As always the symposium is FREE, but we'd like to share a few...