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Malaysia

Environment and health

The main sources of organic water pollution are domestic and industrial sewage, effluent from palm oil mills, rubber factories and animal husbandry. Mining operations, housing and road development, logging and clearing of forests are major causes of high concentration of suspended sediments in the rivers. In several urban and industrial areas, organic pollution of water has resulted in environmental problems and has adversely affected aquatic life. Besides organic waste, rivers remain a convenient means of solid waste disposal. A major portion of household refuse, which is not collected, burned or buried, finds its way into drains and rivers. In the Klang valley, an estimated 80 tonnes of waste ends up in the river system every day. River water quality and pollution control need to be addressed urgently since 98 percent of the total water used originates from rivers. Almost all the investments in water-related infrastructure depend on reasonable river water quality (Le Huu Ti and Facon, 2001).

     
   
   
             

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