The reservation by areas is as follows:
- Eastern Cantabrian is 84.9%
- Western Cantabrian at 74.3%
- 78.7% Miño-Sil
- Galicia Costa at 80.6%
- Internal basins of the Basque Country at 90.5%
- Duero at 72.6%
- 50.3% cut
- Guadiana at 40.8%
- Red, Odiel and Piedras 76.9%
- Guadalete-Barbate 49.7%
- Guadalquivir at 45.5%
- Andalusian Mediterranean Basin at 49.9%
- 35.4% safe
- 41.0% Juice
- Ebro at 77.9%
- Internal basins of Catalonia at 73.3%
Precipitation has been scarce on the Mediterranean side and very low on the Atlantic side. The maximum has been produced in Barcelona (A) with 21.1 mm (21.1 l / m²).
The situation of the basins, in cubic hectometers, is detailed in the following table:
Ministry for Ecological Transition