Overview
- National storage stands at 31,744 hm³, about 56.5–56.6% of capacity, after a weekly gain of roughly 190 hm³.
- Catalonia’s internal basins reached 85.77% on January 9, capping a 2025 gain of 47.65 percentage points, with Susqueda ending a brief discharge once levels stabilized.
- The Guadarranque reservoir in Cádiz began a controlled release after nearing full capacity, following heavy rain that also prompted action at La Concepción in Málaga.
- Regional gaps persist, with the Segura basin at 297 hm³ (26.1%) and several areas below 50%, including Guadalquivir at 46.4% and Guadalete‑Barbate at 48.1%.
- Murcia’s reserves are at 29% and Almería remains lowest at 7.1%, while authorities keep desalination and treatment plants running and monitor snowpack contributions and aquifer recovery.