8. Rumpke Sanitary, Colerain Township, Ohio. 2,128,165 tons.
Located near Cincinnati, Rumpke Sanitary brings in a lot of trash, but like other landfills, is doing its part to put some of it to good use. The landfill site hosts three methane recovery facilities that have the potential to recover approximately 15 million standard cubic feet of landfill gas daily. In total, the facilities produce enough energy to power 25,000 homes.