Aswan Dam assumption did not take into account the extent of perennial irrigation that was already present throughout Egypt decades before the high dam closure. By the 1950s only a small proportion of Upper Egypt had not been converted from basin (low transmission) to perennial (high transmission) irrigation. Expansion of perennial irrigation systems in Egypt did not depend on the high dam. In fact, within 15 years of the high dam closure there was solid evidence that biharzia was declining in Upper Egypt. S. haematobium has since disappeared altogether. Suggested reasons for this include improvements in irrigation practice. In the Nile Delta,
Monasavu Dam In 1992, the power station was supplying 92% of Viti Levu's, the main Fiji island, power. This share dropped to 49% in 2006 due to growing power demand. Monasavu Dam The Monasavu Dam is a rock-fill embankment dam on the Nanuku River about northwest of Suva in Naitasiri Province, Fiji. It is located just above the Monasavu Falls and is both the tallest and largest dam, which also withholds the largest reservoir in the country. The primary purpose of the dam is to produce hydroelectric power and it supports an power station. To offset fossil fuel imports for power production