Abstract—Currently, the Lerma River, one of the most important rivers in the country, is going through one of the worst stages of its history due to the excessive amount of toxic waste dumped by some tributary rivers and canals built. The present work shows an innovative methodology for the detection of potentially contaminated sites through an analysis by various criteria that has been analyzed in terms of pollution by industrial discharges, starting from the premise that they are transported by the sewerage network and in the so-called contaminated routes that are the rivers streams and tributary channels to the Lerma River. The main tool used is Geographic Information Systems (GIS) for the analysis and identification of potentially polluting industries. The main objective of this work is to identify the Economic Units in the study basin and filter those whose turn is considered polluting, then classify them according to their economic turn, also analyze the possible impact on the polluting routes. Then calculate the exposed population in the area by means of the population density and the exposed area. The results show that approximately 2.5% of the population is exposed to pollutants derived from the industrial processes established in the 21 polluting routes in the 3 municipalities located in the study sub-basin.

Keywords—pollutants, Geographic Information Systems (GIS), clandestine discharges, waste water

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Cite: L. J. Osornio-Berthet, J. Meléndez-Estrada, M. García-Martínez, and O. Cruz-Castro, "Use of Geographic Information Systems for the Determination of Potentially Polluting Routes in Toluca, Mexico," International Journal of Environmental Science and Development vol. 15, no. 1, pp. 30-35, 2024.

Copyright © 2024 by the authors. This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).