Orange County Florida Landfill Dilute Leachate Wetland Treatment and Restoration Systemby Larry N. Schwartz, Camp Dresser & McKee Inc, Orlando, United States,
John G. Ladner, Camp Dresser & McKee Inc, Orlando, United States,
Stanley J. Keely, Camp Dresser & McKee Inc, Orlando, United States,
Document Type: Proceeding Paper
Part of: Hydraulic Engineering
The Orange County Landfill began operation in 1971 as an EPA demonstration project for the purpose of defining landfill operations in high groundwater table areas. To prevent groundwater or surface water contamination from landfill cells, perimeter drainage and collection ditches were eventually constructed to lower the groundwater table beneath the landfill. This activity dewatered Wide Cypress Swamp, which burned in the early 1980s. The leachate mixed with stormwater that is collected in the ditches is routed to a borrow pit pond and subsequently pumped to North Wide Cypress Swamp for treatment and wetland restoration. The overall goal of the research program is to evaluate the use of North Wide Cypress Swamp as a treatment system. More specifically the long-term goals of the research program are to evaluate the ecologic and hydrologic responses of the wetland to water pumped from the borrow pit pond; evaluate the capacity of the wetland for treatment and/or storage of constituents found in water pumped from the borrow pit pond; and evaluate the effect water pumped from the borrow pit pond has on the physico-chemical environment of wetland soils.
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