The quality evaluation of Wady Eqab wastewater in north of Mosul city for Irrigation

The quality of Wady Eqab waste water has been studied as on of main resources of Tigris river pollution in the north of Mosul city,  the chemical and physical investigation have conducted according to international standards methods, also estimated the irrigation parameters and water quality index (WQI) of the water samples which taken from different sites in Wady Eqab to know   the pollution degree and effects of waste water in Tigris river  in the north of Mosul city. The result referred to the increasing of most studied parameters especially the electric conducting values,  potential Salinity and residual sodium carbon to reach 1043 µs/cm,3.63 – 0.11 meq/L respectively, So, the studied water according to WQI is suitable for irrigation but bad quality for drinking livestock, also a clear effects of wady Eqab wastewater on Tigris river water has been noticed on the site (6) 50m away from the meeting area and continue to site (7) 200m .