In the territory of Rostov-on-Don active development is conducted by negative engineering and geological processes (landslides), as owing to natural course of processes and active technogenic influence. Creation of geoinformation system (GIS) of geological environment of the city allows solving not only a problem of reduction of volume of prospecting works under construction, but also a problem of regulation of effective planning of reconstruction of city building.

Keywords: city-planning, level of underground waters, landslides, imitating modeling, planning the construction and reconstruction of the city