According to the Amelioration and Water Resources of azerbaijan, the average annual supply of water resources in the country is 31. 7km3, which is 28, 39 km3 of surface flows and 331 km3 of groundwater, taking into account the needs of the national economy. During temperate and dry years, the total flow decreases to 25 and 17 km3 which can lead to a shortage of irrigation water. However, 70% of surface flows are transit rivers. Only 33% of surface flows are inland water resources. İ n general, the Republic of azerbaijan is among the countries suffering from water shortages, as our country accounts for only 0. 2% of fresh surface water flow in the CIS. ( Commonwealth of İ ndependent States) Water resources are very unevenly distributed in our country. These resources are mostly observed on the southern slopes of Greater Caucasus, in the Lankaran zone, but they are non-existent in the Kur-Araz, Nakhchivan AR, low mountains such as Gobustan and Jeyranchol, in winter pastures. It was accumulated in water resources of the republic. 120, 000 hectares which is 1, 16% of the total area of the country, cover more than 10km3 of the useful volume 20km3. Freshwater economy is used in irrigation of plants, water supply, and in the development of fishery.