The paper aims to assess the reserves of water conservation in irrigated agriculture in Central Asia (CA) compared with Israel. We compared specific water consumption, precipitation, and evapotranspiration indicators during the growing season. The article shows that taking into account the above parameters, the actual difference in water consumption between Israel and the countries of Central Asia is only 21.4% of the real irrigation rate. It is the limiting value; in reality, the reserves are even less since evapotranspiration from the main irrigated areas is slightly higher than the average in Central Asia. In addition, large volumes of water are spent on leaching saline lands in Central Asia