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Dahisar River is a river on Salsette island that runs through Dahisar, a suburb of Mumbai, India. It originates at the spillway of the Tulsi Lake in the Sanjay Gandhi National Park in the northern reaches of the city. The River flows roughly North-West for a total of 12 kilometres through the localities of the National Park, Sri Krishna Nagar, Daulatnagar, Leprosy Colony, Kandar Pada, Sanjay Nagar, and Dahisar Gaothan before meeting the Arabian sea via the Manori Creek. Its total Catchment area is 3488 hectares.〔Catchment number 203 as described in the BRIMSTOWAD report Table A7.1, page ES-14〕 The river was once so picturesque that Hindi films were shot here. Till the late 1960s, crocodiles were witnessed to be residing the river.〔(【引用サイトリンク】 title= Crocodile Conservation in Maharashtra )〕 The river is now highly polluted with the dumping of industrial effluents from workshops, and sewage from slums and stormwater drains into it. In recent times it had narrowed down, and became more shallow due to the presence of the accumulation of silt, debris and plastic bags. After the 2005 Maharashtra floods, where more than a 100 people lost their lives, the BMC has undertaken a desilting and widening project to clean up the river and prevent future flooding.〔(【引用サイトリンク】 title= Maharashtra to constitute disaster management body )〕 ==Encroachments== Unregulated urbanisation has resulted in severe environmental degradation like the narrowing of riverbanks for housing at Leprosy Colony, located between Dahisar and Borivli, and Tabelas (Cowsheds). The river has been frequently diverted due to dumping of construction debris/solid waste/industrial waste in the region from Western Railway Tracks on Dahisar West up to Dahisar Bridge and dumping of solid waste generated at Stables near Daulat Nagar and areas near S.V.Road. Encroachments on dry areas of riverbed as well as on the banks of this river had choked and pinched the watercourse and aggravated the risk of flooding. Field observations indicated that the river also suffered from dumping of debris from construction activities,industrial wastes on the banks, and dumping of municipal solid wastes coupled with inadequate annual desilting efforts. Ingress encroachments from the banks (building, industries, and slums) as well as modification of river-course and local diversion of streams have compounded the risk of flooding. Some of the glaring encroachments are: Bridge along Dahisar River between Western Express Highway and S. V. Road, Marble Shops near the Western Express Highway, Leprosy Colony, slum pockets between Bhagwati Hospital and Rustomjee Park, and Ranchhoddas Marg.〔 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「Dahisar River」の詳細全文を読む スポンサード リンク
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