Chattogram Water Supply  & Sewerage  Authority (CWASA) was established in 1963 under EP ordinance no. XIX, 1963 with the following specific objectives: Construction, improvement, expansion, operation and maintenance of necessary infrastructure for water supply in Chattogram metropolitan area for domestic, industrial and commercial purpose; Construction, operation and maintenance of sewerage system in Chattogram metropolitan area; Construction, operation and maintenance of drainage facilities to carry rain, flood and surface water;Solid waste management. CWASA’s vision is to be the most efficient Customer friendly Water and Sewerage Authority in Bangladesh, and mission is to provide quality water supply, sewerage and drainage services in the most cost effective manner; while applying appropriate technologies that are environmentally friendly.