(Waterloo, Iowa) June 19, 2009 Hawkeye Valley Area Agency on Aging’s offices and Senior Centers will be closed on Friday, July 3 in observance of Independence Day. This will include the central offices located at 2101 Kimball Avenue in Waterloo and all Senior Centers in Black Hawk, Bremer, Buchanan, Butler, Chickasaw, Grundy, Harding, Marshall, Poweshiek and Tama counties. If you have any questions or are in need of services please call the Senior Help Line at 877-538-0508 for assistance.