Physical-chemical characterization of surface waters of São Francisco River at Juazeiro/BA and Petrolina/PE cities
DOI:
https://doi.org/10.6008/CBPC2179-6858.2019.006.0019Keywords:
Water, Semiarid, Physicochemical analysis, Quality, SustainabilityAbstract
The demographic growing and industrial expansion observed in recent decades has resulted in the deterioration of river, lake and reservoir waters. In addition to the problems related to the quantity of water, the contamination of water sources, mainly by anthropic activities, prevents, for example, their use for human supply and aggravates the problem of scarcity of this resource. This is more worrisome in arid and semi-arid regions, where water has become a limiting factor for urban, industrial and agricultural development. The main aspect considered in relation to the availability of water in this work is the quality of the water supply for human use, which indicates the importance of the conservation of river sources, natural sources of water on the land surface. Within this context, it is important to carry out a diagnosis of these waters, the polluting sources and their impacts on the environment, with the objective of developing a knowledge that will be useful in the analysis of the urban and rural sources conservation state of the river in the region of study. It was verified that antropogenic activity implies quality river alteration, specially increase in total fosforous concentration. Besides, the physicochemical analysis carried out showed great Legislation concordance, in case of class 2 water bodies.
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