The reservation by areas is as follows:
- Eastern Cantabrian is 79.5%
- Western Cantabrian at 75.9%
- 81.9% Miño-Sil
- Galicia Costa at 85.5%
- Internal basins of the Basque Country at 90.5%
- Duero at 73.6%
- 54.0% cut
- Guadiana at 41.3%
- Red, Odiel and Piedras 80.3%
- 51.9% Guadalete-Barbate
- Guadalquivir at 47.6%
- 54.1% Andalusian Mediterranean Basin
- Safe at 39.0%
- Juice at 46.8%
- Ebro at 80.2%
- Internal basins of Catalonia at 92.3%
Precipitation has been scarce on the Atlantic side and very low on the Mediterranean side. The maximum has been produced in Santiago de Compostela with 30.1 mm (30.1 l / m²).
The situation of the basins, in cubic hectometers, is detailed in the attached table:
Ministry for Ecological Transition and Demographic Challenge
