WERF Annual Research Forum Calendar When: January 28, 2013 – January 31, 2013 all-day 2013-01-28T19:00:00-05:00 2013-01-30T19:00:00-05:00 Where: Hilton Chicago 720 South Michigan Avenue Chicago, IL 60605 USA Contact: Water Environment Research Foundation Click here for registration and details With a wet weather track