Autonomous communities
- Communities
- 15
- Of 56,486 hm³
- 32,687 hm³
- National level
- 57.87%
- 1Comunitat ValencianaReservoirs: 21Capacity: 1,595hm³Stored water: 509hm³Level: 31.91%
- 2La RiojaReservoirs: 5Capacity: 190hm³Stored water: 63hm³Level: 33.16%
- 3NavarraReservoirs: 7Capacity: 534hm³Stored water: 181hm³Level: 33.9%
- 4AragónReservoirs: 47Capacity: 5,050hm³Stored water: 2,094hm³Level: 41.47%
- 5Región de MurciaReservoirs: 8Capacity: 585hm³Stored water: 288hm³Level: 49.23%
- 6Castilla y LeónReservoirs: 43Capacity: 8,120hm³Stored water: 4,017hm³Level: 49.47%
- 7CantabriaReservoirs: 3Capacity: 575hm³Stored water: 307hm³Level: 53.39%
- 8GaliciaReservoirs: 36Capacity: 3,266hm³Stored water: 1,750hm³Level: 53.58%
- 9Asturias / AsturiesReservoirs: 8Capacity: 457hm³Stored water: 256hm³Level: 56.02%
- 10Castilla-La ManchaReservoirs: 38Capacity: 5,729hm³Stored water: 3,328hm³Level: 58.09%
- 11CatalunyaReservoirs: 30Capacity: 2,084hm³Stored water: 1,273hm³Level: 61.08%
- 12Comunidad de MadridReservoirs: 13Capacity: 1,060hm³Stored water: 653hm³Level: 61.6%
- 13EuskadiReservoirs: 8Capacity: 310hm³Stored water: 195hm³Level: 62.9%
- 14ExtremaduraReservoirs: 43Capacity: 14,444hm³Stored water: 9,328hm³Level: 64.58%
- 15AndalucíaReservoirs: 92Capacity: 12,487hm³Stored water: 8,445hm³Level: 67.63%
