STATISTICAL ANALYSIS OF GROUNDWATER QUALITY PARAMETERS IN SELECTED SITES AT NINAVAH GOVERNORATE/ IRAQ

Groundwater is considered one of the important water resources in the world . Due to rain shortage and the decrease of Tigris river discharge s in the last years, wells excavation and groundwater use for different purposes had been increased without any planning. Therefore, it is necessary to conduct the studies about groundwater quality in Ninavah governorate and define its suitability uses. Additionally, it is very useful t o define the direction of groundwater quality improvement in the area and to identify the levels of some trace elements in it. Twenty seven deep wells recently excavated were selected in the study area located south east Mosul city with an area of about 1500km 2 .