Aswan Dam have been flooded by Lake Nasser. Before the construction of the High Dam, the Nile deposited sediments of various particle size – consisting of fine sand, silt and clay – on fields in Upper Egypt through its annual flood, contributing to soil fertility. However, the nutrient value of the sediment has often been overestimated. 88 percent of the sediment was carried to the sea before the construction of the High Dam. The nutrient value added to the land by the sediment was only 6,000 tons of potash, 7,000 tons of phosphorus pentoxide and 17,000 tons of nitrogen. These amounts are
Pangani Falls Dam Pangani Falls Dam Pangani Falls Dam is a dam in Tanzania, which is part of the Pangani Hydro Systems. The dam is located at Koani in the Muheza District of the Tanga Region, about 8 km south of another power station at Hale. The Pangani falls power station has two turbines and has an installed capacity of . Construction of the dam began in December 1991 and was commissioned quickly just 3 years later to aid the ailing power shortages in the country. The entire project was funded by European Scandinavian nations (Norway, Finland and Sweden), which jointly decided to