City yard waste sites open Poll Yes By Lethbridge Herald on April 6, 2021. The City of Lethbridge’s seasonal Yard Waste Sites have opened and the Waste & Recycling Centre’s (landfill) summer hours began on April 1.  Yard Waste Sites: • Self-service sites meaning residents must be able to unload their own material •  Residents must wear a mask/face covering and must keep a two metre distance when interacting with site staff or other customers •  Residents are asked to put material in paper bags to avoid having to de-bag materials from plastic bags • Additionally, the following rules will be applied to help speed up the drop-off process and limit contact between staff and the public: