From The Denver Post (Bruce Finley):
Working with grocers [King Soopers and City Market], health officials said they will campaign for Colorado residents to clear out medicine cabinets and dispose of unwanted medications in these containers. Chief Medical Officer Ned Calonge will announce the initiative today, Colorado Department of Public Health and Environment spokesman Mark Salley said. Health officials planned to gather in the Stapleton King Soopers and demonstrate the safe disposal of appropriate medications using one of the containers.
More water pollution coverage here.