Construction creates more traffic around Ontario County Landfill

A county committee heard from a landfill engineer Monday on activity at the Ontario County landfill. Casella Waste Systems regional engineer Amy Dill showed recent photos from the landfill in the town of Seneca, explaining ongoing work — some routine, some tied to a landfill expansion project, and some based on recommendations of an odor control report.

Hopewell Town Supervisor Ted Bateman, a member of the Planning and Environmental Committee, said he noticed more truck traffic from the landfill. Dill said that increased traffic is due to all the construction activity. She explained work involving a new cell, the installation of landfill liners and groundwater collection trench, as well as a pump station being built. Protective layers must be installed before the first piece of waste can be put in the cell. The process involves a geotextile protection and drainage stone. A special sheet suppresses groundwater and keeps it from impacting a 2-foot layer of clay.

New gas wells are also being installed at the landfill. One photo shows how a horizontal gas well is being installed in the waste. Casella installs these every 200 feet horizontally, and 30 feet vertically, as they fill in the waste. These wells help collect new gas before the waste reaches an elevation high enough to drill vertical wells.

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