In the distant past, a course of the stream|Ganges|Ganges River|river} wont to reach the Bay of
geographical region through the Dhaleshwari river. once this course bit by bit shifted and ultimately lost its link with the most channel of the river it had been renamed the Buriganga. it's same that the water levels throughout high and extremely high tides during this stream stunned the Mughals. within the twentieth century the groundwater level and stream became impure by polythenes and alternative venturous substances from dismantled buildings close to the stream banks.
The course of the Padma, because the main course of the river is thought in People's Republic of Bangladesh, modified significantly throughout the amount 1600 to 2000 AD. it's tough to trace accurately the assorted channels through that it flowed, however the chance is that it flowed past Rampur Boalia, through Chalan Beel, the Dhaleshwari and Buriganga rivers, past Dacca into the Meghna water. within the eighteenth century, the lower course of the stream flowed more south. regarding the center of the nineteenth century the most volume of the channel flowed through this southern channel, that came to be called Kirtinasa. bit by bit the Padma adopted its gift course.[2]
Pollution
The Buriganga is economically important to Dacca. Launches and country boats give association to alternative components of People's Republic of Bangladesh, a for the most part riverine country. once the Mughals created Dacca their capital in 1610, the banks of the Buriganga were already a primary location for trade. The stream was conjointly the city's main supply of beverage.
Today, the Buriganga stream is afflicted by the noisome downside of pollution. The chemical waste of mills and factories, home waste, medical waste, sewage, dead animals, plastics, and oil area unit a number of the Buriganga's pollutants. town of Dacca discharges regarding four,500 a lot of solid waste each day and most of it's free into the Buriganga.[citation needed] per the Department of surroundings, 21,600 cube-shaped metres (5.7 million United States gallons) of toxic industrial waste area unit free into the stream by the tanneries each day.[3][4][5] specialists known 9 industrial areas in and round the capital town because the primary sources of stream pollution: Tongi, Tejgaon, Hazaribagh, Tarabo, Narayanganj, Savar, Gazipur, Dacca Export process Zone and Ghorashal. Most of the commercial units of those areas haven't any waste product treatment or effluent treatment plants (ETPs) of their own.
View of Buriganga stream from the bridge in Dacca
More than sixty,000 cube-shaped metres (2,100,000 Cu ft) of toxic industrial waste, as well as textile dying, printing, laundry and prescription drugs, area unit free into the most water bodies of Dacca each day.[citation needed] per the Dacca Water and Sewerage Authority (WASA), about 12,000 cube-shaped metres (420,000 Cu ft) of untreated waste area unit free into the lake from Tejgaon, Badda and Mohakhali industrial areas each day. The waste largely comes from garment laundry and colouring plants. Textile industries annually discharge the maximum amount as fifty six million tonnes of waste and zero.5 million tonnes of sludge. waste product is additionally free into the Buriganga. A news story from 2004[6] indicated that up to eightieth of Dhaka's waste product was untreated. as a result of Dhaka's significant reliance on stream transport for merchandise, as well as food, the Buriganga receives particularly high amounts of waste since unusable or rot parts of fruits, vegetables, and fish area unit thrown into the stream.
Nearly 4.0 million folks of town area unit exposed to the implications of pollution each day.[citation needed]
Previously,[when?] a gaggle of environmentalists tried to create a stream patrolling team to save lots of the Buriganga and alternative rivers from extreme pollution. The cluster was involved regarding the contamination of the rivers round the capital and demanded immediate action. the govt. has been criticised for its inability or disposition to prevent the commercial units of town from emotional untreated waste into the water.
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