residents, the provincial government and First Nations are bracing for a possible deluge of water after a massive landslide dammed the Chilcotin River in B.C.’s Cariboo region. government and First Nations prepare for water to surge through a landslide blocking the Chilcotin River, officials are warning of unpredictable water conditions along the Chilcotin and Fraser rivers. Ma says the impacts downstream could still be significant depending on the distribution of the overtopping flow, and people along the Chilcotin and the connecting Fraser River may need to leave the area. residents to stay away from the Chilcotin and Fraser riverbanks and to refrain from boating on these bodies of water. That day, the Cariboo Regional District (CRD) ordered evacuations over 107 square kilometres along the Chilcotin River, stretching from where it met the Fraser River to near Hanceville, B.C.