Water resources management in modern Egypt about 3.5 BCM/year of municipal wastewater was being discharged into the Nile and the sea in 2002, out of which only 1.6 BCM/year (about 45%) were treated. Industrial effluents contribute to about 1.3 BCM/yr of wastewater being discharged to surface waters, only some of which is being treated. Hydropower. An important use of water in Egypt is for the production of hydropower. This use is non-consumptive and is thus available for other uses further downstream. Hydropower plants exist at the Aswan High Dam (2100 MW), the old Aswan Dam (270 MW)and power plants at the Esna (90 MW) and Naga
Jigüey Dam 1992. It cost US$500 million to build and funding was provided by the host government. Jigüey Dam The Jigüey Dam is an arch-gravity dam on the Nizao River about east of San Cristóbal in San Cristóbal Province of the Dominican Republic. At tall, it is the third highest dam in the country. The purpose of the dam is to produce hydroelectric power and it supplies the largest hydroelectric power station in the country. The dam diverts water through over of headrace pipe and penstock to the power station downstream. The power station contains two 49 MW Francis turbine-generators for an