Agua embalsada por cuencas (31-08-2026) (hm3)
| Cuenca |
Capacidad |
Embalsada |
Variación |
| Tajo |
11056 |
6529 |
(59,05%) |
-68 |
(-0,62%) |
| Guadiana |
9538 |
7031 |
(73,71%) |
-14 |
(-0,15%) |
| Guadalquivir |
8030 |
5829 |
(72,59%) |
-81 |
(-1,01%) |
| Ebro |
7802 |
4251 |
(54,48%) |
-170 |
(-2,18%) |
| Duero |
7602 |
4528 |
(59,56%) |
-79 |
(-1,04%) |
| Miño-Sil |
3030 |
1997 |
(65,91%) |
-10 |
(-0,33%) |
| Júcar |
2846 |
1545 |
(54,29%) |
-30 |
(-1,05%) |
| Guadalete-Barbate |
1651 |
1286 |
(77,89%) |
-9 |
(-0,55%) |
| Med. Andaluza |
1174 |
793 |
(67,55%) |
-10 |
(-0,85%) |
| Segura |
1140 |
606 |
(53,16%) |
-6 |
(-0,53%) |
| Galicia Costa |
684 |
401 |
(58,63%) |
-1 |
(-0,15%) |
| Cataluña Interna |
677 |
526 |
(77,70%) |
-8 |
(-1,18%) |
| Cantábrico Occidental |
490 |
324 |
(66,12%) |
-5 |
(-1,02%) |
| Tinto, Odiel y Piedras |
229 |
166 |
(72,49%) |
-2 |
(-0,87%) |
| Cantábrico Oriental |
73 |
47 |
(64,38%) |
-2 |
(-2,74%) |
| País Vasco Interna |
21 |
16 |
(76,19%) |
0 |
(0,00%) |
