Ohio WEA-AWWA 2014 Technical Conference & Expo Calendar When: August 26, 2014 – August 29, 2014 all-day 2014-08-26T00:00:00-04:00 2014-08-30T00:00:00-04:00 Where: Hilton Columbus Downtown / Greater Columbus Convention Center 400 North High Street Columbus, OH 43215 USA Contact: Ohio WEA-AWWA Event website