What are the main methods of sewage disposal?

Answer

Sewage has to be collected, treated and disposed off well in order to protect public health and prevent diseases. There are three major methods of sewage disposal namely cesspools, septic tanks and use of package sewage treatment plants. A cesspool is a watertight tank installed underground while a septic tank is a system with a tank and a drainage pipe which directs the sewage to a reservoir.
Q&A Related to "What are the main methods of sewage disposal?"
Here's the answer from Wikipedia. Sewage treatment, or domestic wastewater treatment, is the process of removing contaminants from wastewater and household sewage, both runoff (effluents
http://wiki.answers.com/Q/What_is_the_purpose_of_s...
( ′sü·ij di¦spōz·əl ′plant ) (civil engineering) The land, building, and apparatus employed in the treatment of sewage by chemical
http://www.answers.com/topic/sewage-disposal-plant...
sewage disposal: the disposal of sewage
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disposal plant; sewage disposal plant
http://www.audioenglish.net/dictionary/sewage_disp...
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