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Environmental

With rain below average, Cantareira water back to decrease

12/15/2014

This article was translated by an automatic translation system, and was therefore not reviewed by people.

 

 



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The volume of water stored in the main supply source of the metropolitan region of São Paulo, the Cantareira System, had new low on Sunday (14) reaching 7.3% from 7.4% recorded on Saturday (13), even with a cumulative the last two days of 9 mm of rain on the six stocks that make up the system.

According to the Basic Sanitation Company of the State of São Paulo (Sabesp), since the beginning of the month, the amount of rain on the system reached 39.7 mm. If you were following the historical average (220.9 mm) for the month of December, this total should be 99.7 mm. Since last November, the water from the Cantareira is withdrawn from the second dimension of technical reserve which is below the gravity capture.

As for the Alto Tietê System, which serves 4.5 million people, there was a decrease of 4.2%, yesterday (13) to 4.1% on Sunday. According to a statement issued on Sunday by us, the Department of Water and Power (DAEE) authorized the entry of more 39.46 million cubic meters to the system that came to be captured Dam New Bridge. This volume raised the level to 10.7%.

The Alto Tietê serves consumers the east side of São Paulo and municipalities Arujá, Itaquaquecetuba, Poa, Ferraz de Vasconcelos, Suzano, Mauá, Mogi das Cruzes, part of St. Andrew and two neighborhoods in Guarulhos (Peppers and Bonsucesso). It is formed by the rivers Tietê Bright Paraitinga, Biritiba, Jundiaí, Big, Sweet, Taiaçupeba-Mirim, Taiaçupeba-Acu and Balainho.

In other systems, except for the Rio Claro, where volume was down 26.6% to 25.9%, there was an increase in operating capacity: the Guarapiranga (from 33.4% to 34.8%) in Upper Cotia (29.6% to 30.3%) and Rio Grande (from 64% to 64.3%).

According to the Emergency Management Center (CGE), municipal agency in the capital city, there are no expectations of significant rainfall in the metropolitan region of São Paulo for the next three days. (Source: Agency Brazil)

 

Source: Agency Brazil

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This article was translated by an automatic translation system, and was therefore not reviewed by people.

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