The reservation by areas is as follows:
- Eastern Cantabrian is 83.6%
- Western Cantabrian 81.1%
- 67.4% Miño-Sil
- Galicia Costa at 86.0%
- Internal basins of the Basque Country at 85.7%
- Duero at 44.9%
- 35.1% cut
- Guadiana at 37.5%
- Red, Odiel and Stones 62.4%
- 44.9% Guadalete-Barbate
- Guadalquivir at 34.5%
- Andalusian Mediterranean Basin at 47.9%
- 26.0% safe
- Juice at 35.2%
- Ebro 58.3%
- Inland basins of Catalonia 58.2%
Precipitation has greatly affected the entire peninsula. The maximum has been produced in Oviedo with 177.0 mm (177.0 l / m²).
The situation of the basins, in cubic hectometers, is detailed in the attached table:
Ministry for Ecological Transition