Compared to the efficiency of the liquidation of drinking water between two stations in the city of Mosul

The present study was aimed to compare between tow plants ofMosul station .one is locate in the north of the city center which calledAL_koba plant station before the Tigris river passing mosul city at theright bank of the river , which supply the west part of the city by drinkwater . The second plant station which called AL dan dan section in thecenter of mosul city ,at the left bank of Tigris river which supply some ofthe east part like AL ~mansour .The samples were collected during the period between April 2001and August 2001 from four location as follows:near water resorce atriver bank ,prespitation zone ,coloration zone and supply of water zoneThen we do the chemical,physical and biological testes in order to studyits suitable for drinking purposes .we saw after study that Alkoba plantmore effective in the removal of the turbidity and oranig matter than thedandan plant.