An analysis of data on the flow of the Congo River and the energy production of the Inga Dam, from 1990 to 2021, was carried out in order to derive a mathematical equation that would establish a correlation between the two variables. This study yields the equation of the simple linear regression line below: y=204.618+0.142x. This equation found will therefore allow us to estimate, based on the water level of the Congo River, the quantity of electrical energy to be produced at the INGA Dam, while considering that the system remains constant. It is observed that the evolutionary trend of the energy production of the Inga Dam follows the rhythm of the evolution of the flow of the Congo River. The evolution of the flow of the Congo River would lead to either positive or negative impacts on the production capacity of the Inga Dam, knowing that this depends on the periods observed. During flood periods, the impact is positive because it increases the production of electrical energy, while during periods of deep low water the impact is negative, it significantly reduces the electrical energy production capacity of the INGA Dam.

An analysis of data on the socio-economic and environmental impact generated by water drilling in the Bahumbu II district of the N’sele commune was carried out. The study made it possible to highlight the contribution of drilling in improving the socio-economic and environmental conditions of the population of the said district. It results from this study that the presence of water boreholes in the Bahumbu II district has a triple social, economic and environmental advantage. On the social level: Improvement in living conditions through the creation of temporary and daily jobs during borehole installation work, the engagement of water sellers in standpipes by the NGO ASUREP... On the economic level: improving public health through more reliable access to clean water, which reduces the cost of treating water-borne diseases. It is also the source of income for the owners of the boreholes through the marketing of water. On the environmental level: the negative impacts of water drilling are not obvious because since the installation of the various water drillings until today, we have not observed the likely effects that could harm the human environment and physical.