The paper presents the quality of groundwater around the municipal waste landfill in the town of Kolonia Lipsk. Construction, location and operation of the landfill are presented. The aim of this work is to assess the state of groundwater quality around the reclaimed Municipal Waste Landfill in the city of Kolonia Lipsk closed in 2012. The research was carried out in 2015 with the frequency of once a quarter for 10 selected indicators characteristic for the water pollution assessment in the area of municipal waste landfills. Water for testing was taken from three piezometers located in the vicinity of tested object, at different distances and at various depths in farm wells. Although the landfill has not been operating since 2012, contamination of groundwater around the landfill has been identified. The lack of landfill bottom sealing and the lack of surrounding ditches makes the condition will last for some time.