The volume of water stored fell at the end of April in 10 river basins and rose in two, compared to the previous month, according to data from the National Water Resources Information System (SNIRH).
Of the 60 monitored reservoirs, 35 had water availability greater than 80% of the total volume and six less than 40%.
The Barlavento Algarve basin, with 13,3%, had at the end of April the lowest amount of stored water, globally, as has been the case for over a year.
The average storage for the month of April in the Barlavento basin is 76,5%, according to SNIRH.
With less water availability were also the Mira (35,7%) and Arade (39,6%) basins.
The basins of Ave (86,9%), Tejo (86,1%), Douro (85,2%), Mondego (83,5%), Cávado (83,3%), Lima (82,2% ), Guadiana (81%), Oeste (77,2%) and Sado (60,1%) had the highest levels.
The April 2023 storages by river basin were higher than the April storage averages (1990/91 to 2021/22), except for the Mondego, Sado, Guadiana, Mira, Ribeiras do Algarve and Arade basins.
Each hydrographic basin can correspond to more than one reservoir.
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