It is one of the leading causes for the high incidence of gastrointestinal infections including intestinal parasitism in a community. Moreover, it brings about unsightly conditions and foul odors which are definite nuisance to any community.
Proper disposal of human excreta and sewage, on the other hand, protects water resources from excessive pollution thereby making them available for other legitimate water uses such as water supply, industrial use, recreational use, fish culture, etc., at relatively low water treatment costs.
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