what is the need for altenstive methods of sewage disposl?
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An alternate low cost method of sewage disposal is a septic tank. It consists of tank in which sewage is allowed to flow , ' anaerobic bacteria in the tank decompose the sewage. 'Other methods are chemical toilets and composting pits . These are refered to as onsite sewage disposalsystems
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Nowadays, on-site sewage is used as an alternative for sewage disposal. These include septic tanks, compost pit toilets and chemical toilets. It is mainly practised in the places that lack a central wastewater collection system.
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