Colesville Municipal Landfill is a superfund site located at East Windsor Rd, Town Of Colesville, NY 13813. The Environmental Protection Agency (EPA) identifies sites such as Colesville Municipal Landfill because they pose or had once posed a potential risk to human health and/or the environment due to contamination by one or more hazardous wastes. Colesville Municipal Landfill is currently registered as an Active NPL superfund site by the EPA. Because it is on the NPL (National Priorities List), Colesville Municipal Landfill is considered one of the worst hazardous waste sites identified by the EPA.