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Manglar
versión impresa ISSN 1816-7667versión On-line ISSN 2414-1046
Resumen
GARCIA-PENA, Andy et al. Correlation between the concentration of heavy metals in drinking water and their concentration in the surface water of the Tumbes River, Peru. Manglar [online]. 2022, vol.19, n.2, pp.137-142. Epub 15-Jun-2022. ISSN 1816-7667. http://dx.doi.org/10.17268/manglar.2022.017.
The objective of this research was to find the correlation between the concentration of heavy metals in drinking water in rural areas of Tumbes and their concentration in the surface water of the Tumbes River, for which the Pearson correlation method was used and atomic emission spectroscopy using the graphite technique, where a high concentration of lead was found in the river and in drinking water, reaching concentrations of 194.889 ± 0.3182 µg/l in the town of San Jacinto and 99.079 ± 0 0.0481 µg/l in the town of Oidor, in addition, an inverse correlation index of low intensity was found for all the heavy metals analyzed with values of -0.62 (pb), -0.8 (cd) and -0.65 ( cr), which indicates a decrease in the concentrations present in homes, except for some points where an increase is evident, such as the case of Rica Playa, La Capitana, Higuerón and Oidor, towns that do not have a treatment system. of water.
Palabras clave : drinking water; surface water; Puyango river; heavy metals; Pearson correlation.