The object of the 1st subproject is the preparation of a special hydrogeological study in implementation of the River Basin Management Plan of the Water District of Western Macedonia EL09 in order to define zones and/or measures for the protection of water abstraction points intended for human consumption from underground water bodies in the area of responsibility of the Municipal Water Supply and Sewerage Company DEYA Kastoriav Hydraulic study for the control of the technical and hydraulic adequacy conditions at the sources of the water supply system where the individual abstractions of the network are located.