Development of a First Flush Diversion System for Roof Rainwater Harvesting in Buoye Sub-location, Kisumu, Kenya By Pär Andersson, Angela Haug, Annevi Sjöberg Tagged with: Africa, Clean drinking water, Design criteria, First Flush, Kenya, Kisumu, Roof Rainwater Harvesting, Sustainability of aid-project, Technical design development process, Water scarcity