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River Vamsadhara ((テルグ語:వంశధార నది) Oriya:ବଂଶଧାରା) (also called Bansadhara in Odisha) is an important east flowing river between Rushikulya and Godavari, in Southern Odisha and North Eastern Andhra Pradesh states in India. The river originates in the border of Thuamul Rampur in the Kalahandi district and Kalyansinghpur in Rayagada district of Odisha and runs for a distance of about 254 kilometers, where it joins the Bay of Bengal at Kalingapatnam, Andhra Pradesh. The total catchement area of the river basin is about 10,830 square kilometers. Tourist attractions of Mukhalingam and Kalingapatnam in Srikakulam district are located on the banks of this river. Mahendratanaya is a major tributary river of Vamsadhara originating in Gajapati district of Odisha and it joins Vamsadhara in Andhra Pradesh upstream of Gotta barrage. Regulapadu barrage in Andhra Pradesh is under construction to divert the river water for irrigation use.〔(Four years after laying stone river projects fail to take off - The Hindu August 19, 2012 )〕 ==Interstate aspects== Vamsadhara river basin occupies 8015 square kilometers in Orissa and the remaining 2815 km2 flows in Andhra Pradesh. The river basin receives high annual average rainfall of magnitude 1400 mm. The portion lying in Rayagada district of Orissa is predominantly hilly and tribal populated area. Andhra Pradesh and Orissa roughly estimated that 115 thousand million cubic feet (TMC) water is available for use in the river. They entered into agreements〔(Agreements with Orissa on Vamsadhara river waters sharing - pages 256 to 263 )〕 to use the available river water in 50:50 ratio. Andhra Pradesh has taken up Gotta barrage and Neredi barrage projects to put its share of water for use. However Orissa has not taken up new projects in the basin area to utilize its share of water. In fact it is diverting Vamsadhara river waters to adjacent Rushikulya river basin by constructing Harabhangi dam without taking prior consent from Andhra Pradesh.〔(【引用サイトリンク】title= Harabhangi Dam D02980 )〕 Also, Orissa has raised objections to Neredi barrage project on the grounds of land submergence in its territory. Approximately 25% of the available water in this basin is being utilized during the monsoon season by constructing barrages across the river. Reservoirs up to 100 thousand million cubic feet water storage capacity are to be constructed for the non-monsoon period irrigation requirements, by which 100% water utilization can be achieved. Peculiar situation of this river is that most of the land to be irrigated is located in Andhra Pradesh while the possible storage reservoirs are located in Orissa. Recently, the Vamsadhara River water disputes tribunal was constituted under Interstate River Water Disputes Act〔(Interstate river water disputes act - 1956 and its legal provisions )〕 to resolve river water sharing issues between the two states. Justice Mukundakam Sharma is the chairman of Vamsadhara Water Dispute Tribunal.〔(【引用サイトリンク】title= Vamsadhara project okayed with conditions )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Vamsadhara River」の詳細全文を読む スポンサード リンク
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