 In Pahang, water supply comes mainly from rivers and streams and there are about 79 water treatment plants located in various districts.Pahang abundant water sources are also significant to the growing demand of water supply in Greater Kuala Lumpur and Selangor, the industrial heartland of Malaysia.The federal government initiated Pahang-Selangor Raw Water Transfer Project that includes the construction of the Kelau dam on the Pahang river, as well as the transfer of water via a tunnel through the Titiwangsa Mountains.