Abstract
Wastewater from industrial units in the Kossodo district in the city of Ouagadougou has a physicochemical impact on the environment and the population. For several years the Kossodo area was famous for the effects of wastewater from industrial units on the environment (a foul odor). We took samples from various points of the open canals in order to determine the physico-chemical parameters of this wastewater. This choice was guided by a concern to measure the physico-chemical impact of wastewater from the open sewer in the industrial zone of Kossodo in the city of Ouagadougou on the one hand and to show the danger represented by this wastewater from industrial units on the environment and public health on the other hand.
 
 The objective also guided the choice of the parameters retained for the measurement of the physicochemical impact of the industrial units wastewater of the open sewer of Kossodo zone in the city of Ouagadougou: MES, DCO, BOD5, pH, Potassium, Sodium.
 
 The results show that the wastewater from the open sewers of the industrial units of Kossodo in the city of Ouagadougou, has a high physicochemical parameter content than the authorized discharge standard.
Highlights
Sanitation is a critical issue in Africa today
The results show that the wastewater from the open sewers of the industrial units of Kossodo in the city of Ouagadougou, has a high physicochemical parameter content than the authorized discharge standard
The zogona sewer from P1 to P7 the MES values are lower than the limit values provided for by the decree, from P8 to P10 the MES values are greater than the limit values. This is explained by the fact that from the Bonsyaar district to Professor Joseph KI Zerbo University (Ouaga I University) we have a small amount of suspended solids (MES) in the sewer and the Ouaga I University in Kossodo we have a high concentration of MES due to the activity of industrial companies and the discharge of wastewater into the sewer of Ouaga I University
Summary
Sanitation is a critical issue in Africa today. The galloping urbanization and the rapid industrialization of African cities make the task of the structures in charge of waste management (wastewater) complex because they do not have the necessary means and tools, and appropriate for the evacuation of wastewater. outside the cities. The galloping urbanization and the rapid industrialization of African cities make the task of the structures in charge of waste management (wastewater) complex because they do not have the necessary means and tools, and appropriate for the evacuation of wastewater. It is impossible today to dissociate sustainable development from sanitation, the role of which is to make the environment healthy, to eliminate the causes of pollution or insalubrity for the well-being and the best conditions of people's lives. In view of these requirements for sustainable development, Ouagadougou, the capital of Burkina Faso, should not be the exception. This study will highlight the harmful effects of the waste discharged into the open sewers on the environment and on the local population by measuring the physicochemical parameters
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