Journal of Food, Agriculture and Environment

Environmental guidelines of São Francisco Verdadeiro river according to Brazilian standards

Author(s):

Kayla W. Garmus*, Silvio C. Sampaio, Maria Hermínia F. Tavares, Adir Otto Schmidt, Marcelo Remor

Recieved Date: 2014-05-09, Accepted Date: 2014-09-18

Abstract:

The São Francisco Verdadeiro River watershed reaches 11 cities in Western Paraná. It is the largest tributary of Paraná River and essential to the economy and public supply of this region, where human activities such as agriculture, swine and poultry farming, industries and urban supply are held. The 9.433/ 97 Legislation - National Water Resources Policy – has foreseen the watershed as a management tool for water resources and its 5^th article deals with water bodies classification according to the predominant uses. Thus, this study aimed at classifying the São Francisco Verdadeiro River according to the limits of 357/05 CONAMA Resolution, based on the following physicochemical parameters: turbidity, dissolved oxygen, pH, cadmium, lead, cobalt, copper, chromium, manganese, nickel and zinc. Ten points were selected along the river, where fortnightly collections of water samples were taken over a year. It was concluded that São Francisco Verdadeiro River has been undergone by several environmental impacts due to human activities, which have contributed to water quality changes. According to 357/05 CONAMA Resolution, the studied river was classified as Class III.

Keywords:

Anthropogenic actions, 357/05 CONAMA, water quality

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Journal: Journal of Food, Agriculture and Environment
Year: 2014
Volume: 12
Issue: 3&4
Category: Environment
Pages: 439-442

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