Considerable fraction of this polluted water is being used as untreated in irrigation .This contaminated water has high concentration of Nitrogen and Phosphorus , and that's why its use in irrigation is increasing gradually . As this waste water is contaminated with heavy metals including; Arsenic (As), Cadmium (Cd), Nickel (Ni), Mercury (Hg), Chromium (Cr), Zinc (Zn), and Lead (Pb) and has become a serious health issue for men, plants and animals. .