Sewage, particularly the domestic variety, is the major polluter of the aquatic ecosystem in developing Asian countries. Besides eutrophication, it causes a number of waterborne diseases. The growing urbanization in relation to deteriorating water quality; existing practices of sewage management through treatment; reuse and recycling; as well as the legal support to curb pollution are discussed in regard to China, India, Korean Republic and Jordan. Some meaningful suggestions are made for improved sewage management and pollution control.
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