Phoslock Environmental Technologies Limited provides design, engineering, and project implementation solutions for water related projects and water treatment products to clean up lakes, rivers, canals, wetlands, and drinking water reservoirs. The company offers Phoslock, a water treatment product that binds excess phosphorus in the water column. It operates in Australia, New Zealand, Europe, the United Kingdom, the United States, Canada, Brazil, and China. The company was formerly known as Phoslock Water Solutions Limited and changed its name to Phoslock Environmental Technologies Limited in August 2018. Phoslock Environmental Technologies Limited was incorporated in 2002 and is headquartered in Sydney, Australia.