Statistical process control applied to water quality assessment: a case study of the Cabrero Lagoon, colombian Caribbean
DOI:
https://doi.org/10.25044/25392190.1044Keywords:
calidad de agua , control estadístico de procesos , cartas de control , capacidad de procesosAbstract
Water in developing countries worldwide faces growing anthropogenic pressures due to population growth, industrialization, among others. These stressors may cause that water bodies lose their biodiversity and quality every day. In the Cabrero lagoon, Cartagena, a water monitoring program has been carried out since 2000 in order to check the quality of water in this natural resource, and in this work statistical process control tools were used to verify the status of compliance with the regulation of water from a quality control view. The variables studied in this research were dissolved oxygen, biochemical oxygen demand (BOD5), chemical oxygen demand (COD), total phosphorus (TP), total coliforms (TC) and faecal coliforms (FC), several are not under statistical control and the lagoon is not capable of maintaining the chemical and microbiological standards established by Colombian law. The results of this investigation may give clarity on the current state of water quality in the Cabrero lagoon, for the municipal agencies in charge of the environment.
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