Buriganga river pollution pdf

There is no warning from the Government or aid giving agencies or their representatives. This is the vicious circle that the poorest groups are the worst victims of the foreign currency earning schemes.

Buriganga turns into a toxic dump: Severe pollution has reduced the river Buriganga into a 'dumping drain' of toxic refuse, threatening millions of people living on its banks with serious health hazards and a loss of their livelihoods. That the river is dying is clearly evident from its stench. The highly toxic waters release a 'gas' that starts irritating the nostrils and throat as soon as humans breathe it. Its foul odors can be smelled from as far away as half a kilo- metre.

As the day rolls into the afternoon the heat of the sun turns the stench even fouler, making the 'pitch black' Buriganga water intolerable, he said. Soon after the floodwater receded and the river wore its lean period look, the pollution instantly increased due to a lack of dispersion.

Mil- lions of cubic metres of toxic waste from the Hazaribagh tan- neries and thousands of other industries, topped with a huge volume of untreated sewage from the city, now remain almost stagnant within the river water.

The situation is set to continue until a new flow of water rushes in from the upstream, begin- ning in perhaps another two months.

In the meantime, people living along the river are the worst victims of the pollution, which they say is worse than anything they've seen in previous years. Thousands of water transport workers, working on the passenger and cargo vessels in Sadraghat, are forced to bring water from the river Meghna and Dhaleswari for washing.

Un- able to take a bath or wash clothes for days, many of them have even begun to suffer from various diseases. Oil and lube spillage also hap- Inorganic chemicals; many metals like lead, zinc, cadmium, pens during refueling of vessels and cargo handling. In addi- mercury, arsenic and their compounds are inorganic pollu- tion, there are innumerable mechanized trawlers and boats tants.

Many salts and ads are also in this group engaged in fishing in the river. The operators of these vessels dump waste, including burnt oil, into the water, because of Silt and sediment: Soil erosion gives rise silt and sediment in their ignorance about its adverse effect on environment water bodies. Hot water: Thermal industries use huge amount of cold water Poultry farms, tanneries and slaughter-houses always supply to cool their engines from overheating.

This hot water is such kinds of micro-organisms to the water bodies thrown to the nearby water bodies and caused depletion of DO, Nutrient substances: Domestic substances, excess fertiliz- ers, minerals occurring nitrate are mixing with water.

This nu- Oil : The river parts of Dhaka however, do not have facilities to trient substances caused fast growth of unexpected plants, received and treat bilge and ballast water and thus steamers, Rottening this plants make water offensive taste and odor. The operator of these veseles dump waste, including The seasonal variation of quality in the Buriganga depends on burnt oil, into the water, because of their ignorarance about its seasonal variation of water flow and the opperation of tanne- adverse effect on environment.

These include physiochemical characteristics of 3. Remaining is mixed with water. If caused quick growth of unexpected plants. For biode- State of river pollution: grading of these plants oxygen is taken from water.

As a result Many rivers of Bangladesh are polluted. Among them the sce- amount of dissolved oxygen DO is depleted. Industrial nery of Buriganga. Buriganga: In Bangladesh the worst polluted river is The Bu- riganga. The most significant source of pollution is appears to Impacts of pH on: be from tanneries in the Hazaribag area.

The wastes of tanne- There is no normal pH that applies to all fishes. Because fish ries contain hexavallent chromium which is very harmful. The originate in ponds, rivers, lakes, oceans that have different pH permible concentration of chromium is 0. But sudden change of pH can be harmful or even fatal 2. Table -2 shows this. It place. DO is very much essential for aquatic animals.

Biochem- involves the combination of two more substances that produc- ical db Oxygen Demand BOD and chemical Oxygen Demand es effects greater than their sum.

They affect human nerve accumu- Arsenic, lead, mercury, cadmium, chromium, nitrates, nitrites lating through food chain. May mix with water directly may be produced from the pollutants.

However exceeding limit of this trace elements or 4. Naturally some sub- stances are mixed with water. Again some natural pol- Name of ele- lutants removed automatically. Especially rural people should taught of hair, Gangrene, Cancer that using excess fertilizers and pesticides do not give more crop-yield. That is, water pollution af- Skin ulcer, Kidney inflammation, fect the ecosystem.

Its other sources. States of Water average depth is 7. Buriganga ends at receive 1. The have this plant. The but it is found 2. But chromium which is very shown by the following environmental groups harmful. Some people Pollution from various fatal bath here specially the The people who are diseases. Because, the habitant of slaves and living by the Buriganga main source of drinking evacuees of Dhaka.

The water of this river survival kind of tannery industries. The acidity, alkalinity all fish have died, and About 12 sq. Long term gel. Even rowing across various toxic chromium the river is now difficult Chemicals: hydrogen contamination may for it smells so Sulphide H2S , cause cancer.

The pollutants ammonia, poisonous Exceeding limit of trace have eaten up all chlorine and several elements or ions may oxygen in the nitrogen based gases. Cadmium Kidney damage, Cancer Chromium Skin ulcer, Kidney inflammation, Cancer Lead Neurotoxin, Blood system and brain damage Mercury Nerve damage, Kidney damage Nitrate Diseases of domestic animals above 75ppm , Harmful for baby above 67ppm Toxic wastes or directly affect living substances accumulate substances of Tannery being through drinking in the body and then and other industries water.

Recommendatio environmental sincerely before protection and an throwing it to water n to Minimize improved river body. Failure to of efficient the Buriganga River. It has been seen time. Public sector quality. For this some - Sir Salimullah Medical investment in steps are necessary. It industries must be charge. They defy such owners and law effluent treatment orders by using their Breakers.

The writer is student of Economics at the University of Jagannath, Dhaka. Related Papers. By sobur Ahmed. Water Pollution. By Imdad Khan. By Aadil Shaakir. The people who are living by the BurigangaRiverwhich is polluted different types of wastes are suffering from various fatal diseases.

When this course gradually shifted and ultimately lost its link with the main channel of the Ganges it was renamed the Buriganga. One of the mainstays of the Bangladesh economy, as well as a major source of pollution is the brick industry. It is very difficult to even walk past here. Brick Industry and Cow on the Buriganga River. The government has been criticised for its inability or unwillingness to stop the industrial units of the city from releasing untreated waste into the water.

Look at the polluters who throw such filthy burigamga into the river. What really struck me while I was motoring down this polluted riger is how it is still a major artery of life for this city of approximately 20 million people, even though it is essentially a dead river.

The fact that some fish may have returned is suggested by the presence of these tall fishing poles that have been installed by a public park where many residents are congregating and playing cricket. After thorough fact-finding, BAPA has made some huriganga suggestions. Some toxic substances accumulate in the body and then express its contamination and create various diseases like Cholera, Diarrhea, and Dysentery etc.

The river carries about 61 per cent industrial and 39 per cent domestic waste. The aim of this clean-up is not only to make the water fit for drinking again, but also to ensure that the vuriganga can be used by vendors and tourists.

Country born of rivers Buriganga is an example of the general state of many rivers of Bangladesh. The course of the Padmaas the main course of the Ganges is known in Bangladesh, changed considerably during the period to AD. The Buriganga River Bengali: Human waste is responsible for 60 percent of pollution buriyanga the river, followed by industrial pollution at 30 percent.

Frequent monsoons and flooding that erodes riparian banks as well as land grabbing for development are big problems for this river. It is difficult to row as well because water hyacinth is everywhere and obstructs our boats. This website uses cookies to improve your experience while you navigate through the website.