The York County Solid Waste Authority provides environmentally responsible, efficient and economic management of all municipal solid waste generated in York County through an integrated approach that emphasizes waste reduction, reuse, recycling and waste-

The United States Environmental Protection Agency (USEPA) has removed the York County Sanitary Landfill from the National Priorities List (NPL), stating that cleanup measures instituted by the York County Solid Waste Authority have been effective in reducing groundwater contamination and protecting human health and the environment. The Pennsylvania Department of Environmental Protection has concurred with EPA’s decision to delist the site.

The landfill is located on Plank Road in Hopewell Township . The entire landfill site, which ceased operations in 1997, consists of 306 acres. Approximately 135 acres consisting of unlined portions of the landfill were closed in 1985 as a result of the discovery of groundwater contamination (low-level volatile organic compounds). Only the unlined portion of the landfill was placed on the USEPA’s National Priorities List for clean up.

Upon discovery of the groundwater contamination, the Authority implemented a groundwater recovery and treatment system consisting of groundwater recovery wells and treatment towers to capture and treat groundwater before it is discharged to surface waters. In 1994, the USEPA issued a "Record of Decision" (ROD) with respect to the remedial action implemented by the Authority at the landfill. The ROD confirmed the remedial action taken by the Authority was appropriate and effective in protecting the health of the community and the environment. Removal of the site from the NPL does not alter the operation of the pump and treat system, nor does it change monitoring or regulatory reporting requirements. The remediation efforts have been successful in containing and treating contaminated groundwater.