This dataset includes daily discharge for the La Salle River near Elie, Manitoba, Canada (Water Survey of Canada Hydrometric Station 05OG008) for the time period of 1990 – 2013. The data was extracted from the HYDAT database (published by Environment and Climate Change Canada) and prepared for hydrological and water quality modelling as part of Agriculture and Agri-food Canada’s Red-Assiniboine Project. The original HYDAT data that may have increased uncertainty in specific high-flow periods due to hydrometric issues such as flooding or backwater conditions. These periods were flagged and removed from the present dataset.