The deposition of urban wastes is a technological process that can negatively influenced the environment quality. To express the pollution level into the area of deposition and proximity, the environmental impact assesment is neccessary together with the analysis of air, water and soil quality during and after the waste deposition activities. In Moldova area, the waste deposition is done directly on the soil and subsoil, in special area at the extremity of the town generally named urban/ municipal landfill. The impact of waste deposition process on the environment is assessed using the well known methods (e.g. pollution global index etc.).