The 2023 calendar for Ontario County's special collection events is here!  Once the registration period is open, information regarding how to register for the events will be below the flyer. Please note that registration for each event will open a few weeks prior to the event date. If you have any questions regarding any of the events please email

Event Calendar Final 2023

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Spring Household Hazardous Waste Collection Day- April 22, 2023 at the Ontario County Landfill

  • Open and free to all Ontario County residents.
  • For full details see the event flyer.
  • Registration required- open March 27 to April 20.
  • Register by calling Cornell Cooperative Extension at (585) 394-3977 x427.