Monthly Changes of Some Physical , Chemical and Biological Parameters for Diwaniyah River

Abstract

The current study included some of physical and chemical properties of the three stations (agricultural , residential and industrial ) in the Diwaniyah River (January , February, March and April of 2013) , the results showed a difference in some of the properties of water between the months , also found the effect of the regions specific ( agricultural , residential or industrial )in the water properties of the river , the first station (agricultural ) recorded the highest value for each of the electrical conductivity , dissolved oxygen and total hardness and they were all in the January month , whereas the second station (residential ) reported the highest value for the air temperature , pH, TDS, Cl-, NO3, PO4 and E.coli where the sewage and waste lying in the river in this station , while the third station recorded of the highest value to the high temperature of the water was in April .