Abstract
Kazakh Research Institute of Water as a leading research organization on water problems works on scientific reasoning of water problems solution in the republic. The institute activity is a multifaceted and an integral part of its activity is, particularly, a system research, analysis and evaluation of developed projects of hydro economic rebuilding in the river basins. One of such significant documents of the last time is the project of regulation of the Syr-Darya River and the north-end of the Aral Sea. The experts of the institute took part in the state expertise of this project and estimated its significance for ecological revival of the region.