Saco Municipal Landfill is a superfund site located at Foss Rd, Saco, ME 04072. The Environmental Protection Agency (EPA) identifies sites such as Saco 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. Saco Municipal Landfill is currently registered as an Active NPL superfund site by the EPA. Because it is on the NPL (National Priorities List), Saco Municipal Landfill is considered one of the worst hazardous waste sites identified by the EPA.