CHEM-DT is the TVA owned-and-operated television station in Trois-Rivières, Quebec, Canada. It broadcasts a high-definition digital signal on VHF channel 8 from a transmitter on Rue Principale in Notre-Dame-du-Mont-Carmel.Owned by the Groupe TVA subsidiary of Quebecor Media, its studios are located on Boulevard de Chanoine-Moreau and Rue Jacques de Labadie in Trois-Rivières. This station can also be seen on Cogeco Cable channel 7 and in high definition on digital channel 503.