Effect of domestic sewage on water quality: Of Al-Gharraf River in Al-Haay city

The aim of the present study is to know the effect of raw sewage from the Al-Haay city on some of the chemical, physical and bacteriological properties of Al-Gharraf River. The Al-Gharraf River located in the south-eastern sector of Iraq and surrounded by vast and agricultural lands. The river receives most of the wastewater coming from many activities including industrial, agricultural, and domestic wastewater. Associated with the development of the area, the increase of pollutants into the river has been a recent cause for alarm. Five sampling stations were selected along the Al-Gharraf River. The first is located at 2 km of AL-Haay City as a control. The second is situated at a distance of 2 km away from the first and represented sewage discharge station. The Station 3 was about 2 km from station 2 represented the raw water uptake of AL-Bashaer station for drinking water. The station 4 was about 4 km from station 2 and the last station is located at 8 km apart from the second station.