Environmental Assessment and Toxic Metal-Contamination Level in Surface Sediment of a Water Reservoir in the Brazilian Cerrado
Open Access
- 10 April 2021
- Vol. 13 (8), 1044
- https://doi.org/10.3390/w13081044
Abstract
Polluted sediments limit the useful and biotic life of a water reservoir. Therefore, the classification and verification of the contamination and pollution levels of water reservoirs are essentials for the preservation of the biota and to organize the actions of environmental management. Thus, the aim of this study is to determine the concentrations of potentially toxic metals [lead (Pb), zinc (Zn), nickel (Ni), copper (Cu), and cadmium (Cd)] in sediment samples collected in the water reservoir of the Foz do Rio Claro Hydroelectric Power Plant (FRCHEPP) and estimate the contamination level by using the geoaccumulation index (Igeo). All results were compared with the values established by the CONAMA Resolution 454/2012. The Cu and Cd concentrations in the sediment samples were above Level II for most of the analyzed points in comparison with the data of the CONAMA resolution, being classified as poor quality sediments. Moreover, the Igeo values indicated potential pollution of the water reservoir sediment by Cu and Cd. Hence, the water reservoir was classified between moderately and extremely polluted. From this work it is possible to conclude that the frequent monitoring of the sediment quality in the FRCHEPP water reservoir is an indispensable action for periodic evaluation of the hydrographic basin quality in the study region, considering its importance as water supply and power generation for the state of Goiás, Brazil. Overall, the results of this work can be important to study other water reservoirs around the world.This publication has 52 references indexed in Scilit:
- Phytotoxicity Increase Induced by Zinc Accumulation in Cichorium intybusBulletin of Environmental Contamination and Toxicology, 2020
- Characterization and Quantification of Heavy Metals in Oued Sebou SedimentsThe Scientific World Journal, 2019
- Environmental Availability of Potentially Toxic Elements in an Agricultural Mediterranean SiteEnvironmental & Engineering Geoscience, 2019
- Heavy Metals in Bottom Sediments of Reservoirs in the Lowland Area of Western Poland: Concentrations, Distribution, Sources and Ecological RiskWater, 2018
- Avaliação da concentração de metais tóxicos em amostras de sedimentos dos reservatórios do complexo Billings (Guarapiranga e Rio Grande)Geochimica Brasiliensis, 2017
- Metal pollution assessment in a Brazilian hydroelectric reservoir: Geophagus brasiliensis as a suitable bioindicator organismAmbiente e Agua - An Interdisciplinary Journal of Applied Science, 2017
- Distribution of trace elements in stream sediments of Arta plain (western Hellas): The influence of geomorphological parametersJournal of Geochemical Exploration, 2013
- Geochemical signature and properties of sediment sources and alluvial sediments within the Lago Paranoá catchment, Brasilia DF: A study on anthropogenic introduced chemical elements in an urban river basinScience of The Total Environment, 2013
- Diagnosis of groundwater quality and assessment of contamination sources in the Megara basin (Attica, Greece)Arabian Journal of Geosciences, 2012
- Lipid Increase Induced by Lead Accumulation in Tilapia Oreochromis niloticusBulletin of Environmental Contamination and Toxicology, 2005