County Treats Shredfill Leachate

by Otto Vydra, (M.ASCE), Project Mgr.; CH2M, Portland, Ore.,
Alfred Grimm, Dir.; Solid Waste Management, CH2M Hill, Portland, Ore.,

Serial Information: Civil Engineering—ASCE, 1976, Vol. 46, Issue 12, Pg. 55-57

Document Type: Feature article


The project in Cowlitz County, Washington, is the first sanitary shredfill (landfill) to have full environmental control. Shredding refuse has long been deemed superior to ordinary landfilling techniques but has rarely been incorporated into refuse disposal systems. Shredding helps reduce leaching, however, in such a rainy climate leachate conentrations were expected to surpass acceptable levels. Thus, a collection system sends the leachates to a treatment facility located on the site. The design also incorporates some resource recovery technologies for an overall unique system.

Subject Headings: Leachates

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