The report presents the evaluation of water supply system of Kakinada town in Andhra Pradesh. The neglect of hydrology of a region, while undertaking planning and development works in an urban environment, has serious consequences, the most notable being non-availability of enough potable drinking water to citizens. Water budget studies can be undertaken with all the available records to improve the functioning of such systems and to identify additional alternate resources.
In this report, the water supply system of Kakinada, a century old town, has been evaluated by accounting for water budget of supply and use components. The town located in coastal Andhra Pradesh had a population of about 18,000 in 1870, which grew to about 3,00,000 by 1991 and is expected to touch 10,00,000 by 2040. Considering the surface water inflows available, the capacities of water treatment works and the demands of urban environment supply, and use of water are estimated at three levels of the water supply system.
The information of the last 1hundred years is evaluated and the additional requirement for the future estimated. The analysis of the future urban water requirements indicates that demands will increase threefold by 2025 and hence plans have to be drawn in this direction. In this study, the availability of surface water through the eastern delta canal system for urban use is also evaluated. The methodology applied to estimate balance and shortfall of water at different levels may be duplicated and used for evaluating similar systems elsewhere.
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