. The generation of electricity in hydroelectric power plants . Tourism and leisure . The provision of water
. Flood Control . Irrigation . Creation of habitat for wetlands species
. Flood Control . Irrigation . Tourism and Leisure . The provision of water . Access by boat to otherwise inaccessible areas
. Relocating people
. Flooding land . Relocating People . Altering the water supply for people downstream of the dam
. Flooding Land . Disrupting the life cycles of fish and other aquatic organisms . Reducing the enrichment of soil downstream of the dam