Environmental Evaluation of Existing Solid Waste landfill of Semnan in the basis of Site Selection Criteria

Today by increasing the urbanization in bid cities and increasing solid waste percapita for industrialization of societies, waste collection and disposal have hanged to one of the most important issues in municipal solid waste management. Solid waste landfills have adverse impacts on environment. These impacts will intensify more when landfill sites have chosen without any site selection processes. Therefore it is essential usage of current evaluation techniques for identification of adverse impacts and offer approaches in order to diminishing negative impacts.
Methods and materials: Many difference parameters and criteria are used for site selecting and evaluating of landfills. In this study, the landfill of Semnan have been evaluated by using data from slope, topography, land use, soil type and ground water maps via three current methods of evaluating of landfills.

This site is classified in good category in Oleckno method, acceptable category by using Monavari method and it is placed in better score range by applying Drastic method.
Conclousion: Despite this site has chosen without site selection process, it locates in suitable position. According to this study, it is necessary to attend engineering action and design and landfill management.