Water Works Association American Water Works Association (AWWA) Conference, 2017, Philadelphia – WSSC Tapping Computition. By Charles on Wednesday, July 19, 2017 American Water Works Association (AWWA) Conference, 2017, Philadelphia – WSSC Tapping Computition. Previous Post Next Post Related Posts Water Works Association Water Distribution | Pipe material Water Works Association Backflow Prevention & Cross Connection Control: Applications & Installations Water Works Association Water Online Radio Interview with Kristie Anderson – AWWA ACE17