Greywater is defined as wastewater without any input
from toilets or heavily polluted industrial process water
(Eriksson et al., 2003). The characteristics of greywater have been studied by several researchers such as Jefferson et al.
(1999), Eriksson et al. (2002), and Friedler (2004). Due to the
activities involved in its production, the quality and quantity
of greywater vary significantly within a single property
(Jefferson et al., 1999).