Madison County plans 4 sites for needle-exchange program Two of the sites would be in Anderson, one in Alexandria and one in Elwood Check out this story on IndyStar.com: http://indy.st/1NoxWx7 The Madison County Health Department wants to have four needle-exchange sites open by late July or early August 2015. ANDERSON – Health officials are working to open four needle-exchange sites in a central Indiana county after being granted state approval for the program because of disease being spread among intravenous drug users.