Reservoirs in Castilla y León
43 reservoirs monitored
- Reservoirs
- 43
- Provinces
- Ávila, Zamora, Palencia, Salamanca, Burgos, León, Segovia, Soria, Valladolid
- Basins
- Tajo, Duero, Miño - Sil, Ebro, Cantábrico Oriental
- Largest
- Almendra
Weekly summary
The reservoirs of Castilla y León are currently at 47.0%, holding 3,814 hm³ of water out of a total capacity of 8,120 hm³. In the latest weekly update the regional water reserve fell by 104 hm³.
Compared with the same week of 2025: below (-8.5 points). Compared with the 10-year mean: below (-0.1 points).
Among the best-supplied reservoirs is San José, while Vencías, Las is among the lowest levels.
| Reference | Level | Difference |
|---|---|---|
| Previous week | 48.3% | -1.3 pts |
| Same week 2025 | 55.5% | -8.5 pts |
| 10-year mean | 47.0% | -0.1 pts |
Reservoirs by province
Ávila·3 reservoirs·46.6% full
Reservoir / basinCapacityStored waterCurrent levelWeekly change
AceñaTajo24 hm³13 hm³54.2 %-1 hm³Castro de las CogotasDuero58 hm³22 hm³37.9 %0 hm³SeronesDuero6 hm³6 hm³100.0 %0 hm³Burgos·3 reservoirs·53.8% full
Reservoir / basinCapacityStored waterCurrent levelWeekly change
ArlanzónDuero22 hm³8 hm³36.4 %0 hm³OrdunteCantábrico Oriental22 hm³11 hm³50.0 %0 hm³ÚzquizaDuero75 hm³45 hm³60.0 %-1 hm³León·9 reservoirs·39.0% full
Reservoir / basinCapacityStored waterCurrent levelWeekly change
BárcenaMiño - Sil341 hm³207 hm³60.7 %-4 hm³Barrios de LunaDuero311 hm³70 hm³22.5 %-2 hm³Campañana, LaMiño - Sil14 hm³8 hm³57.1 %-1 hm³Casares de ArbasDuero37 hm³14 hm³37.8 %-1 hm³MatalavillaMiño - Sil65 hm³26 hm³40.0 %-2 hm³Porma-(Juan Benet)Duero318 hm³121 hm³38.1 %0 hm³RiañoDuero641 hm³240 hm³37.4 %-1 hm³Rozas, LasMiño - Sil28 hm³4 hm³14.3 %-1 hm³VillamecaDuero19 hm³2 hm³10.5 %0 hm³Palencia·5 reservoirs·36.5% full
Reservoir / basinCapacityStored waterCurrent levelWeekly change
AguilarDuero247 hm³97 hm³39.3 %0 hm³CamporredondoDuero69 hm³14 hm³20.3 %-1 hm³CerveraDuero10 hm³8 hm³80.0 %-1 hm³CompuertoDuero95 hm³23 hm³24.2 %0 hm³RequejadaDuero59 hm³33 hm³55.9 %0 hm³Salamanca·7 reservoirs·62.5% full
Reservoir / basinCapacityStored waterCurrent levelWeekly change
ÁguedaDuero15 hm³10 hm³66.7 %0 hm³AldeadávilaDuero114 hm³103 hm³90.4 %-5 hm³IrueñaDuero110 hm³54 hm³49.1 %-1 hm³NavamuñoTajo14 hm³5 hm³35.7 %-1 hm³Santa TeresaDuero496 hm³230 hm³46.4 %-3 hm³SaucelleDuero181 hm³177 hm³97.8 %-1 hm³VillagonzaloDuero6 hm³6 hm³100.0 %0 hm³Segovia·4 reservoirs·40.0% full
Reservoir / basinCapacityStored waterCurrent levelWeekly change
BurgomillodoDuero14 hm³7 hm³50.0 %-1 hm³Linares del ArroyoDuero54 hm³20 hm³37.0 %0 hm³Pontón Alto, ElDuero7 hm³5 hm³71.4 %0 hm³Vencías, LasDuero5 hm³0 hm³0.0 %-4 hm³Soria·3 reservoirs·52.1% full
Reservoir / basinCapacityStored waterCurrent levelWeekly change
Cuerda del PozoDuero249 hm³126 hm³50.6 %-1 hm³MonteagudoEbro10 hm³7 hm³70.0 %0 hm³RábanosDuero8 hm³6 hm³75.0 %0 hm³Valladolid·1 reservoirs·100.0% full
Reservoir / basinCapacityStored waterCurrent levelWeekly change
San JoséDuero6 hm³6 hm³100.0 %0 hm³Zamora·8 reservoirs·47.6% full
Reservoir / basinCapacityStored waterCurrent levelWeekly change
Agavanzal, Nª Sª deDuero36 hm³33 hm³91.7 %-2 hm³AlmendraDuero2,649 hm³1,371 hm³51.8 %-51 hm³CastroDuero27 hm³26 hm³96.3 %+1 hm³CernadillaDuero255 hm³34 hm³13.3 %-1 hm³Puente PortoDuero23 hm³2 hm³8.7 %-1 hm³RicobayoDuero1,145 hm³398 hm³34.8 %-13 hm³ValparaísoDuero169 hm³156 hm³92.3 %-2 hm³VillalcampoDuero66 hm³60 hm³90.9 %-2 hm³