2008–2017 Bogota River Water Quality Assessment Based on the Water Quality Index

Daissy Milena Díaz-Casallas, Mario Fernando Castro-Fernández, Elvira Bocos, Carlos Enrique Montenegro-Marin and Rubén González Crespo
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Daissy Milena Díaz-Casallas: Engineering Faculty, Universidad Distrital Francisco José de Caldas and Colombia, Bogota 110111, Columbia
Mario Fernando Castro-Fernández: Engineering Faculty, Universidad Cooperativa de Colombia, Bogota 110111, Columbia
Elvira Bocos: School of Engineering, Universidad Internacional de La Rioja, 26006 Logroño, Spain
Carlos Enrique Montenegro-Marin: Engineering Faculty, Universidad Distrital Francisco José de Caldas and Colombia, Bogota 110111, Columbia
Rubén González Crespo: School of Engineering, Universidad Internacional de La Rioja, 26006 Logroño, Spain

Sustainability, 2019, vol. 11, issue 6, 1-17

Abstract: This article provides a deep analysis of the water quality at the upper basin of the Bogota River (Colombia) between 2008 and 2017. The Water Quality Index has been the indicator employed to determine the ecological status of the river. This index was chosen in order to normalize the analysis, given that it is commonly used by the Institute of Hydrology, Meteorology and Environmental Studies, a government agency of the Ministry of Environment and Sustainable Development of Colombia, to determine the state of surface effluents. The results obtained were organized in a double-entry matrix in order to relate the variables of the sample period and the sampling station. The research revealed an insufficient quality of water, demonstrating that the high stretch of the Bogota River basin has, in general, regular or acceptable water quality, while only five stations showed an acceptable status. Surprisingly, the stations located close to the wastewater treatment plants of the municipalities of Choconta, Suesca, Gachancipa, and Tocancipa, as well as Rio Negro, have a poor water quality, discharging a high load of contaminants into the river. Although great efforts have been made by Colombian authorities to restore the critical state of the majority of their aquatic ecosystems, recent implementation of policies and instruments have not shown significant achievements yet. For this reason, this study aims to present a powerful decision-tool for the monitoring and evaluation of correction measures implemented on this river basin. The data used in this research were provided by the Regional Autonomous Corporation of Cundinamarca.

Keywords: hydric resources; water management; water quality; Bogota River; decision tool (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2019
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