hamid sarkhil , a member of the faculty of the faculty of environment and an expert. environmental geophysics and exploration of water resources sometimes there is a mistake that, for example, the use of zero water leads to subsidence. subsidence is not at all for underground water and not deep water. this water is in deep formations and has no effect on it has no surface layers. harvesting zero water has no environmental issues and by the way helps the environment. majid makhdoom, member of the supreme council of environment. no legislative documentation. there is no scientific and technical knowledge about the reproducibility of deep water reserves. it seems that there is a rush among some officials of the country to solve the water crisis in sistan baluchistan province, while this problem can be easily solved by securing the rights of the pond and desalination of oman's sea water. ali salajgah , head of environmental organization , we have no problem with drawing deep water to supply drinking water. in the discussion of waters considering that the need for drinking