With the current landfill filling up, Renton and King County are looking for solutions for what to do with King County’s trash in the future.

The county conducted a study looking at long-term disposal options to prepare for the eventual closure of Cedar Hills Regional Landfill. The landfill, which is the only active landfill in King County, is set to close in about 2040, King County Strategic Planning Manager Brian Halverson said: “That’s when it will reach capacity.”

The study examined five disposal options: waste export by rail, mass burn, pyrolysis, gasification and refuse-derived fuel. The study also examined the economic, environmental and social impacts, as well as capacity, logistics and operating history for each disposal method.

Halverson said waste export by rail and mass burn

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