Janesville City/Rock County Landfill - Municipal Solid Waste Landfill in Janesville, Wisconsin

The Janesville City/Rock County Landfill is a municipal solid waste landfill located at 525 Blackbridge Road in Janesville, Wisconsin, United States. Owned and operated by the City of Janesville, the facility has been serving the region since its opening in 1985 and is projected to remain operational until 2036. As a landfill, it plays a key role in the solid waste management infrastructure of Rock County. Operating under the regulatory framework of the US EPA, the landfill is subject to RCRA Subtitle D requirements for municipal solid waste landfills, as well as Clean Air Act regulations governing landfill gas emissions. The facility likely includes systems for landfill gas collection and leachate management to mitigate environmental impacts. In Wisconsin, landfills are also regulated by the Wisconsin Department of Natural Resources, which enforces state-specific standards for groundwater monitoring and liner integrity. The landfill serves the Janesville area and surrounding communities, providing essential waste disposal services. Its long operational history and planned closure date indicate a well-established facility. The site's environmental significance includes potential methane generation, which is typically captured for energy or flared, and leachate treatment to protect local groundwater resources.

The Janesville City/Rock County Landfill is situated in Rock County, Wisconsin, an area with a mix of agricultural and urban land use. The local climate, with cold winters and moderate precipitation, influences leachate generation and landfill gas production. Proximity to groundwater resources necessitates robust leachate management systems to prevent contamination. Landfill gas, primarily methane, is a key environmental concern; modern landfills typically capture and flare or utilize this gas to reduce greenhouse gas emissions. The facility's location near Janesville also requires careful management of traffic and odor to minimize community impacts.