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A rural town in an established agricultural area with no prospects for extensive development is located along a river that is used as the source of water supply for the community. The conditions of the river are such that it takes its water from a catchment area of 2,590 km2 and its low-water flow is 0.00109 m3/s/km2. The regulations are that only 10% of the river flow can be used at any time for water supply. Past records reveal that the population enhanced as follows:
a) What would be the expected population in the year 2040? Elaborate your method of choice for estimating the future population? (Give the figure to the nearest 1,000)
b) Do you think that the amount of water available in the river would be enough of a water supply and how much water can be supplied to every person in the community?
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