Martin Wiliam H Landfill is a superfund site located at N Main St Ext, Washington, PA 15301. The Environmental Protection Agency (EPA) identifies sites such as Martin Wiliam H 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. Martin Wiliam H Landfill is currently registered as an Archived superfund site by the EPA and does not require any clean up action or further investigation at this time.