Cyanobacteria in water sources used for autonomous systems of water supply and sewerage (SAAE) in municipalities of the Forest Zone South of Pernambuco
DOI:
https://doi.org/10.3395/2317-269x.00628Keywords:
Public Health, Monitoring of Water, SAAE, Potability StandardsAbstract
Cyanobacterial blooms have social, economic, and environmental impacts, changing the physical and chemical characteristics of the water and affecting the survival of aquatic organisms. This phenomenon risks the quality of water intended for human consumption, through the alteration of organoleptic properties causing changes in taste and odor of water supply. In addition, this phenomenon produces toxins that can generate consequences for human health. In Brazil, this problem is worsening, and the possibility of cyanotoxin presence has become chronic. This study aimed to present a diagnosis and evaluate the results of analysis of cyanobacterial samples from waters of public supply in municipalities of the forest zone south of Pernambuco monitored by Autonomous Services of Water and Sewage (SAAEs). The study was conducted from November 2011 to December 2014 in the Water Quality Laboratory FUNASA (PE). The results showed the presence of 29 species belonging to 13 families and three subclasses. These included cyanobacteria’s genres producing cyanotoxins, such as Planktothrix, Cylindrospermopsis, alongside others, despite the quantitative analysis being within the limits established by law (99% of the analyzed samples). Furthermore, the study showed the importance of monitoring cyanobacteria in water sources of Pernambuco in order to mitigate potential problems inherent to the enviroment and human and animal health.Downloads
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