The Legionella Conference, hosted by NSF International and the National Environmental Health Association, is an annual event that focuses on emerging issues related to building water systems and brings professionals together to work toward solutions. The 2019 Legionella Conference theme, “Building Water Systems: The Sustainability and Public Health Nexus,” centers on how industries can help align water and energy sustainability and public health goals. The event will be September 11-13 in Los Angeles. April 1 is the deadline for experts to submit abstracts for oral presentations; May 1 is the deadline for abstracts for posters.