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- The Kalpasar Project or the Gulf of Khambhat Development Project envisages building a 30 km dam across the Gulf of Khambat in India for establishing a huge fresh water coastal reservoir for irrigation, drinking and industrial purposes. The project with 30 km sea dam will have the capacity to store 10,000 million cubic meters fresh water, equating to 25% of Gujarat’s average annual rainwater flow, from the rivers like Narmada, Mahi, Dhadhar, Sabarmati, Limbdi-Bhagovo, and two other minor rivers. A 10 lane road link will also be set up over the dam, greatly reducing the distance between Saurashtra and South Gujarat. The project, which will create world's largest freshwater lake in marine environment, will cost INR90,000 crore or US$12.75 billion (2015-16 estimates with 8% annual inflation) excluding the cost of tidal power plant. Project entails construction of the main "Kalpasar dam" across Gulf of Khambat and another Bhadbhut barrage on Narmada river, as well as a canal connecting the two. Spending began in earnest in 2004, and by 2018 INR 250 crore has been spent on various feasibility studies and surveys. By July 2019, 25 of the 43 feasibility studies for the ecological, environmental, social and financial impact, etc were complete; 8 more were underway; remaining 10 surveys will take 3 to 5 years to complete i.e. by 2021-23. Detailed Project Report (DPR) was intended to be completed by the end of 2018. The project, if found feasible, will take at least 20 years (by 2035-38) to complete including 3 to 5 years pre-construction feasibility studies which are presently underway, and further 12 to 15 years of construction thereafter which has not commenced yet. As of 2018, no environmental or other clearances have been obtained for the Kalpasar dam. Meanwhile the construction of the Bhadbhut barrage, which is a smaller component of the project, commenced in 2020. More than 30,000 MCM of water from Narmada river alone flows out annually into the sea due to the lack of storage capacity and dams, thus experts have been calling for a review of Gujarat's Water Policy to expedite the Kalpasar project. (en)
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- The Kalpasar Project or the Gulf of Khambhat Development Project envisages building a 30 km dam across the Gulf of Khambat in India for establishing a huge fresh water coastal reservoir for irrigation, drinking and industrial purposes. The project with 30 km sea dam will have the capacity to store 10,000 million cubic meters fresh water, equating to 25% of Gujarat’s average annual rainwater flow, from the rivers like Narmada, Mahi, Dhadhar, Sabarmati, Limbdi-Bhagovo, and two other minor rivers. A 10 lane road link will also be set up over the dam, greatly reducing the distance between Saurashtra and South Gujarat. The project, which will create world's largest freshwater lake in marine environment, will cost INR90,000 crore or US$12.75 billion (2015-16 estimates with 8% annual inflation) e (en)
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