Department of water resource engineering at the faculty of engineering, University of Baghdad witnessed a lecture under entitle (the irrigation scheduling through daily audit method) delivered by the instructor Sabah Anwar Daoud talked about this kind of irrigation, its goals, scheduling, climate, water consumption, depths of rainfall, soil moisture and records of the previous day, water quality for the period extending from December 2011 to late 2012. The lecture reached at a series of conclusions such as that drainage of the following rivers: Sirwan, Rizana, Swari, Khabor is the most important one.