Prince William County Sanitary Landfill - Manassas, Virginia Landfill Operations and Regulatory Compliance

Prince William County Sanitary Landfill is a municipal solid waste landfill located at 14811 Dumfries Road in Manassas, Virginia. Operational since 1968, it serves Prince William County and surrounding areas, with a planned closure year of 2033. The facility is owned and operated by the Prince William County Department of Public Works, managing waste for a growing suburban region near Washington, D.C. As a Subtitle D landfill under the US EPA's Resource Conservation and Recovery Act (RCRA), the facility must comply with federal regulations for liner systems, leachate collection, groundwater monitoring, and landfill gas management. Virginia's Department of Environmental Quality (DEQ) oversees state-level permitting and compliance. The landfill likely employs modern practices such as gas collection for energy recovery or flaring, and leachate treatment to protect local water resources. The landfill plays a critical role in the region's solid waste infrastructure, handling waste from residential, commercial, and industrial sources. Its proximity to the Potomac River watershed and Chesapeake Bay underscores the importance of robust environmental controls. The facility's long operational history and planned closure indicate a commitment to responsible waste management and eventual site restoration.

The landfill operates in the Piedmont region of Virginia, characterized by rolling hills and proximity to the Potomac River and Chesapeake Bay watershed. Key environmental considerations include methane generation from decomposing waste, which is typically managed through gas collection systems to reduce greenhouse gas emissions. Leachate management is critical to prevent groundwater contamination, especially given the region's moderate rainfall. Community proximity and truck traffic are also important factors, as the landfill serves a densely populated suburban area.