The Merrick landfill site will soon have a $5-million leachate treatment facility.
Council approved the awarding of a contract Monday to Conestoga Rovers and Associates to design the facility needed to help treat landfill leachate, which is contaminated liquid that seeps from garbage. The initial contract is worth $344,535, plus HST. But the entire project, which is expected to span three years, will total approximately $5 million.
The landfill, which was built in 1994 for $6 million, was designed to deal with leachate by allowing naturally occurring processes to reduce the contaminants.
The city has been looking at how to better deal with the landfill leachate for about five years. Options included construction of a leachate treatment plant or passive treatments such as engineering of a wetland to provide for natural filtration; or the use of a series of biofilters.
John Severino, the
city's manager of environmental services, said a facility is needed because passive options pose a challenge during colder winter months.
He described the leachate facility as a sort of miniature water treatment plant, saying the liquid will be 99.9% treated before it is released.
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