The river Nile is the longest river in the world, extending for about 6825 km, from central Africa to the Nile Delta dam, about 1350 km within Egypt. It is considered as the oldest and most extensive hydrological records of any water system, for more than 7000 years. The ancient Egyptians constructed the first reservoir in the world. Because of the Nile, the great Egyptian civilization flourished along its bank. Egyptians have made valiant efforts to harness the river and stem the rising tide of its waters. In the modern times, beginning from the 19th century up till now, the...