This study evaluates the irrigation systems performances (ISP) in Turkey from the standpoint of effective use of water for agriculture. Several irrigation systems located in the different regions of Turkey were evaluated to obtain their system hydraulic, economic and agricultural performance indicators. Results indicated that the hydraulic performance indicators varied region by region according to system type, irrigation method, plant and knowledge of far nears. For instance, water application efficiencies were found to be 29-58 percent in Central Anatolia, 35-55 percent in Black Sea, 38-61 in Southeastern Anatolia, 52-84 percent in the Mediterranean, 37-59 percent in Aegean region. In this work, it is obtained that there are considerable changes in the size of irrigated area and cropping pattern from year to year in all irrigation schemes. It can also be stated that efficient irrigation scheduling has still not achieved properly and this causes too low water application efficiencies with high water conveyance losses.