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The news in the African region also includes the human and material losses caused by the floods caused by the heavy rains in recent weeks. Dozens of people have died in Niger, Chad, Mali, Guinea, Liberia… Thousands have been affected. In the face of the rainfall still announced by the civil protection departments in some countries, people must take more precautions. In Burkina Faso, where The signal is recordedstate services, in particular the General Directorate of Water Resources, in collaboration with units that collect and disseminate water information, call on road users and residents living near reservoirs to be more careful and comply with instructions (message, below, broadcast on the Facebook page of the Ministry of Environment, Water and Sanitation, Sunday, August 18, 2024).
The Ministry of Environment, Water and Sanitation informs users of National Road 1 that the water level at the Eredougou Bridge has dropped significantly. As of August 17, 2024, the water level at the Pâ measuring station was 366 cm, which is 333 cm below the upper limit of the road (699 cm).
The current water level is well below the critical flood warning threshold, but is still higher than the average water level recorded by the authors between 1991 and 2020 and the height recorded on the same date in 2023 (235 cm).
The water level of Bagley Dam is 234.29 meters, and the filling rate is 91.72%. This height is 0.65 meters lower than the normal water level of the reservoir.
The Ministry of Environment, Water and Sanitation, through the General Directorate of Water Resources, invites local residents, especially those located downstream of the Bagre Dam, to remain cautious and, above all, to stay informed of the evolution of water levels so that they can take all necessary measures in case the opening of the valves could lead to flooding.
As for the Compianga Dam, which is located in the same basin as the Bagre Dam, the water level was 177.60 meters as of August 17, with a water filling rate of 76.78%. This height has increased compared to August 16. The mountain is 177.60 meters high, which is 2.40 meters lower than the normal reservoir water level.
On August 17, 2024, the Ziga Dam recorded a height of 986 cm. At this height, the amount of water spilled was 66 cm. It should be reminded that the Ziga Dam has been overflowing since July 7, 2024, and the water level recorded was higher than the level on August 16. The shoreline on that day was lower than the shoreline on the same day in 2023 (992 cm). The high water level above the Ziga Dam spillway therefore helped to raise the water level of the Bagre Dam.
On August 17, 2024, the water level recorded at the Loumbila Dam for the AEP mission was 689 cm. At this height, the dam overflowed, 0.6 cm higher than the overflow height (683 cm). The water level recorded today is lower than the water level on August 15 and the same day in 2023. We are 0.6 cm away from the normal water level (PEN), and if the water level continues to drop on August 17, the leakage will stop. Given the leakage from the dam, downstream residents should remain vigilant.
The good water storage capacity of reservoirs used to supply drinking water is a positive signal for the National Water and Sanitation Office and the urban population as it ensures a better supply of drinking water. However, water quality remains a major concern, especially the risk of contamination associated with reservoir leaks and flooding.
In order to provide hydrological information and make people aware of flood risks, the General Directorate of Water Resources, in collaboration with the Unit for the Collection and Publication of Water Information, has set up a permanent monitoring system and informed users of flood accessibility. In addition, the public, in particular users of National Road 1 (RN1), are invited to exercise greater caution and comply with the instructions issued for this purpose.
Lefaso.com
Source: State Water Resources Administration
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