Chipalo River Water Quality Analuysis By The Santa Ana 1 And 2 Spill Using The Qual2k Model

  • Alexa F. Cuellar Universidad de Ibagué
  • Juan F. Lezama Universidad de Ibagué
Keywords: Contamination in water sources, wastewater, water quality, pouring, mathematical model QUAL2K, calibration, simulation

Abstract

Due to the lack of adequate planning and environmental thinking about a good treatment of wastewater that is discharged into rivers, there is a high level of pollution in most water sources in Colombia, an example of this is the Chipalo River that crosses the urban area of Ibagué and collects discharges along its channel. The evaluation of these discharges on water sources requires resources such as qualified and economic personnel, which allow to determine the environmental impact and provide alerts on the pollution received. However, one methodology used for cost reduction in the evaluation of discharges is the use of mathematical models that predict water quality. In this work, the water quality analysis of the Santa Ana 1 and 2 discharge on the Chipalo River was carried out using the QUAL2K mathematical simulation model developed by the EPA, where the calibrated model was obtained with the simulations of the following parameters (travel time, flow, temperature, dissolved oxygen, biological oxygen demand,  ammoniacal nitrogen, nitrate and pH) from the scenario presented at the Santa Ana dump 1 and 2; area where domestic wastewater is discharged into the river. In addition, different simulations of the model were carried out with projections of different pollutant loads, thus achieving an analysis of the river and the discharge in different conditions.

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Author Biographies

Alexa F. Cuellar, Universidad de Ibagué

Facultad de Ingeniería. Programa de Ingeniería Civil. Universidad de Ibagué

Juan F. Lezama, Universidad de Ibagué

Facultad de Ingeniería. Programa de Ingeniería Civil. Universidad de Ibagué

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Published
2021-05-21
Section
Accepted for Publication