EVALUATION OF THE GROUND WATER IN MOSUL CITY

Abstract

ABSTRACTIn this research an evaluation of the ground water quality at the area located onboth sides of Tigris river in Mosul city. Where thirty wells were had been chosen andwater samples were taken monthly for chemical and physical tests (pH، temperature،Ec، COD & BOD)، from each well for period from October 2001 to May 2002.Coliform bacteria test were done for all wells during November and February. Thecomputer program Surfer 32 is used for preparing a topographic map and contourmaps depending on the data obtained. For the evaluation of ground water quality acomputer program in( Visual BASIC) were made to analyze the collected data.The result of this research shows that the ground water are polluted with coliformbacteria, it means that the ground water polluted by recharging sewage water.There isa high concentrations of salts and organic material in the ground water.Also the resultsof the analysis showed that the quality of the ground water were improved during theperiod of the raining season