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A creek it's a small course of Water from low flow . The term, diminutive of River , can be used as a synonym for stream (a stream of low flow water that usually flows continuously).

For example: “In the summer, children usually bathe in the creek that is at the entrance of the town”, "Man has fished in this creek since he arrived in these lands", “The contamination of the creek worries the authorities since it can affect the health of the neighbors”.

In Argentina , is known as Creek at the mouth of the Matanza river . This river is born in the Buenos Aires province , forms the southern limit of the Autonomous City of Buenos Aires (the Federal capital ) and flows into the Silver river after traveling about 60 kilometers.

The name of Creek to the Matanza river It is awarded from the Ferris Wheel Bridge to its mouth, in the neighborhood of Mouth . The lower districts of the city are usually flooded by the increase in flow of the Creek when the phenomenon of sudestada (a storm with strong winds from the southeast).

The main characteristic of Creek is his contamination , since it receives all kinds of industrial wastes that endanger the lives of the thousands of neighbors who live around it. Various studies have found a lot of heavy metals and wastewater at Creek , which is among the most polluted rivers on the planet and whose sanitation plans have never prospered satisfactorily.

In 2013, the Argentine Riachuelo received a mention that did not fill the southern country with pride: it obtained eighth place in a list of the ten most polluted places in the world, in a study that also highlighted sites such as the African Niger River and the Chernobyl ghost town in Ukraine. The organization in charge of this investigation was Blacksmith Insitute, and had the collaboration of the Swiss Green Cross.

The data, which began to be collected since 2009, show that the Riachuelo extends over 60 kilometers along the city of Buenos Aires and receives waste from an average of 15 thousand industries. Also, denounce the contaminants that are in your soil. Also in 2013, an article by Collective Health, a publication scientific Four-month circulation edited by the National University of Lanús, indicated that 80% of the water samples taken from the Riachuelo are highly dangerous.

More than half of the surrounding population, which is equivalent to about 12 thousand people, is exposed to a region which, according to the report, is not considered suitable for human beings. It is worth mentioning that the unpleasant stench that emanates from the Riachuelo is perceived from many of the nearby streets and highways, and is very unpleasant even for those who have always lived there; there are bridges that cross it and businesses and homes that must necessarily remain around them, forcing thousands of people to breathe that foul air every day.

But not everything seems to be lost for the Riachuelo, since in July 2008 a ruling of the Court imposed on the national, Buenos Aires and Buenos Aires states the obligation to carry out the sanitation of its waters. Currently, there is more than one program focused on cleaning, and one of them relies on a loan granted by the World Bank.

It is believed that sooner or later the pollution (already folk) of the Argentine Riachuelo will be left behind, although much work remains ahead; mainly it is necessary to pay special attention to the Health of citizens and work to make the change final.

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