Landfilling

The currently selected disposal method for sediment removed from the Fox River is landfilling. A number of factors lead DNR and EPA to make this choice. First, landfills that meet the rigorous federal requirements to accept PCB-contaminated sediment already exist in Wisconsin, some located relatively close to the Lower Fox River. Second, landfilling is a safe and proven technology that has been used successfully at many locations throughout the state. Third, because it's a proven and currently available approach, we can use it now, rather than having to wait while other options are explored. Forth, landfilling is the lowest cost disposal option. And fifth, burying the contaminated sediment in a landfill will permanently remove the PCBs from the river environment, stopping their entry into the food chain and thereby eliminating the threat to people and wildlife.

Landfill regulations

DNR rules require the proper management of solid waste, including contaminated sediment. Landfill disposal regulations cover the location, performance, design, and construction as well as the operation and monitoring of solid waste disposal facilities. Waste disposal facilities are no longer the "town dumps" or "open burn pits" of yesteryear. Significant progress has been made over the last 25 years to eliminate these types of operations. Now, landfills must meet strict siting criteria and incorporate advanced engineering controls, such as liners, leachate collection systems, and monitoring wells. The figure below shows a diagram of a landfill designed to meet current federal requirements.

Last Revised: Tuesday November 21 2006