A Multidisciplinary Framework for Sustainable Water Resources Management-A Case Study of the Almatti-Pennar ILR Scheme

Ahmed, Aariz and Santhanam, Harini and Srikanth, R (2020) A Multidisciplinary Framework for Sustainable Water Resources Management-A Case Study of the Almatti-Pennar ILR Scheme. In: XIV World Aqua Congress 2020, Theme: Water and Climate Change, 29-30 October 2020, New Delhi.

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Abstract: In India, rainfall is predominantly restricted to the monsoon season which results in uneven water availability and distribution across the country frequently creating a situation where some regions experience a drought while others are suffering from floods at the same time. Extreme climatic events also give rise to the demand for proper and sustainable water storage structures and river management. Moreover, the freshwater requirement for irrigation in many agrarian states is also extraordinarily high (78 percent of the available surface water) resulting in the inefficient utilization of water in India’s agricultural sector. In India, this scarcity is expected to grow in the coming decades since the population of India is expected to increase to 1518 million in 2036(Bandyopadhyay et al., 2003; CWC, 2019a;NCP, 2019). . The districts of Raichur and Ballari are located in the Hyderabad-Karnataka (H-K) region which is the second-largest arid region in India despite being drained by the Krishna river and its tributaries. The Nanjundappa committee had identified the H-K region as the most backward region in Karnataka. As per the 2011 census, only 50 percent of the rural households in Raichur district and 71 percent of the rural households in the Ballari district had access to drinking water through taps (Census of India, 2014a,b,c). However, no research has been carried out to estimate the medium and long-term water supply & demand in the “dry” agro-climatic zone of Karnataka (Ballari & Raichur districts) and the “scarce-rainfall” agro-climatic zone of Andhra Pradesh (Anantapur district). In view of the existing inter-state agreements to share the water in the Krishna basin in partial exchange for the Godavari water flowing into the Krishna river after the completion of the Polavaram project, there is a need for research on Inter-Linking River (ILR) projects which can alleviate the water stress in the dry/scarce-rainfall zones of Karnataka & Andhra Pradesh (Ref).The present investigation provides a comprehensive assessment of the Almatti-Pennar (A-P) link as a means to alleviate the drinking water crisis in Ballari and Raichur districts of Karnataka as well the Anantapur district in Andhra Pradesh. Using the plans forthe inter-basin transfer of 1980 Million Cubic Meters (MCM) of water from the Almatti Dam on the Krishna river to the Pennar basin, the present study provides a background study ofthe routing of the waters proposed by the National Water Development Authority (NWDA) in their Feasibility report (FR). The FRhighlights the immense potential for exploring alternative routes and optimization techniques with the objective of maximizing its contribution to the water-stressed districts of Anantapur, Ballari, and Raichur while minimizing any environmental and social impacts. This will facilitate the achievement of Sustainable Development Goal (SDG) 6 (i.e., Ensure availability and sustainable management of water and sanitation for all) which, in turn, isconnected with several other SDGs.
Item Type: Conference or Workshop Item (Paper)
Keywords: River interlinking, Inter-basin transfer, Almatti-Pennar, H-K region, Krishna river, SDG6
Subjects: School of Natural and Engineering Sciences > Energy and Environment
Date Deposited: 11 Nov 2020 08:57
Last Modified: 25 Nov 2020 10:01
Official URL: https://www.worldaquacongress.org/
Related URLs:
    Funders: UNSPECIFIED
    Projects: UNSPECIFIED
    URI: http://eprints.nias.res.in/id/eprint/2021

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