Nyombayire, E.N. and Ndokoye, P. 2026. Risk Assessment and Delineation of Point and Nonpoint Source of Surface Water Pollution on Bishenyi Sub-Catchment in Kamonyi District. Journal of Agriculture & Environmental Sciences. 10, 3 (Oct. 2026), 52–81. DOI:https://doi.org/10.53819/81018102t2616.