Wastewater disposal is done both on land and in water body
by most urban centres without pretreatment. Wastewater
collection in most urban centres is done by means of
sewerage system which is carried to the treatment plants
and finally disposed off into the environment. Wastewater
treatment must be made mandatory for all sizes of urban
centres [1]. Wastewater treatment is aimed at removing
impurities present in wastewater in the form of floating
material, suspended solids, biodegradable organics and
elimination of pathogens. The two fundamental reasons for
treating wastewater is the prevention of pollution of water
sources and protection of public health by safeguarding
water supplies against the spread of diseases