The complex of the former Nickel Smelter in Sereď Town was located of the Podunajská rovina Plain on the border of two cadastral territories of the Sereď and Dolná Streda. From the aspect of life quality and protection of the environment is it a very degraded landscape area. The production in Nickel Smelter (1963 – 1993) was after 30 years for economic and ecological reasons stopped. The environmental loads have remained and degrade the environment also today. Area of the landfill lúženec has 35 ha and together with the area former Nickel Smelter belonging to the hazardous territories. Their recultivation of has not been performed. The landfill of lúženec is the private property.