As a leading source of water quality expertise, WEF is committed to advancing the water quality profession by providing access to the world's best science, engineering, and technical practices in the water environment field. WEF's conferences are held throughout the year and address a number of key water quality topics from collection systems, residuals and biosolids management, TMDLs, and utility management to timely issues such as sustainability and climate change, membrane technology, nutrient removal, asset management, and microconstituents.