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
Regional overview
The reservoirs of Castilla y León stand this week at 49.5% of their capacity, holding 4,017 hm³ out of a total of 8,120 hm³.
The regional reserve fell by 204 hm³ compared with the previous week.
The reservoirs of Castilla y León are currently at 49.5%, holding 4,017 hm³ of water out of a total capacity of 8,120 hm³. In the latest weekly update the regional water reserve fell by 204 hm³. Compared with the same week of 2025: below (-9.7 points). Compared with the 10-year mean: above (+0.7 points). Among the best-supplied reservoirs is Rábanos, while Puente Porto is among the lowest levels. Here you can review the trend, the related basins and the detail of each reservoir in the region.
Reference levels
Previous week52.0 %-2.5 pts
Same week 202559.2 %-9.7 pts
10-year mean48.7 %+0.7 pts
Reservoirs by province
Ávila·3 reservoirs·47.7% full
Reservoir / basinCapacityStored waterCurrent levelWeekly change
AceñaTajo24 hm³14 hm³58.3 %0 hm³Castro de las CogotasDuero58 hm³22 hm³37.9 %0 hm³SeronesDuero6 hm³6 hm³100.0 %0 hm³Burgos·3 reservoirs·55.5% full
Reservoir / basinCapacityStored waterCurrent levelWeekly change
ArlanzónDuero22 hm³9 hm³40.9 %0 hm³OrdunteCantábrico Oriental22 hm³11 hm³50.0 %-1 hm³ÚzquizaDuero75 hm³46 hm³61.3 %-1 hm³León·9 reservoirs·40.4% full
Reservoir / basinCapacityStored waterCurrent levelWeekly change
BárcenaMiño - Sil341 hm³218 hm³63.9 %-11 hm³Barrios de LunaDuero311 hm³73 hm³23.5 %-1 hm³Campañana, LaMiño - Sil14 hm³9 hm³64.3 %-1 hm³Casares de ArbasDuero37 hm³17 hm³46.0 %0 hm³MatalavillaMiño - Sil65 hm³31 hm³47.7 %+3 hm³Porma-(Juan Benet)Duero318 hm³122 hm³38.4 %-2 hm³RiañoDuero641 hm³239 hm³37.3 %-4 hm³Rozas, LasMiño - Sil28 hm³6 hm³21.4 %-2 hm³VillamecaDuero19 hm³2 hm³10.5 %0 hm³Palencia·5 reservoirs·37.3% full
Reservoir / basinCapacityStored waterCurrent levelWeekly change
AguilarDuero247 hm³99 hm³40.1 %-2 hm³CamporredondoDuero69 hm³15 hm³21.7 %0 hm³CerveraDuero10 hm³9 hm³90.0 %0 hm³CompuertoDuero95 hm³23 hm³24.2 %-1 hm³RequejadaDuero59 hm³33 hm³55.9 %-1 hm³Salamanca·7 reservoirs·63.6% full
Reservoir / basinCapacityStored waterCurrent levelWeekly change
ÁguedaDuero15 hm³10 hm³66.7 %0 hm³AldeadávilaDuero114 hm³110 hm³96.5 %+5 hm³IrueñaDuero110 hm³54 hm³49.1 %-1 hm³NavamuñoTajo14 hm³6 hm³42.9 %0 hm³Santa TeresaDuero496 hm³233 hm³47.0 %-6 hm³SaucelleDuero181 hm³176 hm³97.2 %+1 hm³VillagonzaloDuero6 hm³6 hm³100.0 %0 hm³Segovia·4 reservoirs·46.3% full
Reservoir / basinCapacityStored waterCurrent levelWeekly change
BurgomillodoDuero14 hm³8 hm³57.1 %-2 hm³Linares del ArroyoDuero54 hm³20 hm³37.0 %-1 hm³Pontón Alto, ElDuero7 hm³5 hm³71.4 %0 hm³Vencías, LasDuero5 hm³4 hm³80.0 %-1 hm³Soria·3 reservoirs·53.6% full
Reservoir / basinCapacityStored waterCurrent levelWeekly change
Cuerda del PozoDuero249 hm³128 hm³51.4 %-2 hm³MonteagudoEbro10 hm³7 hm³70.0 %0 hm³RábanosDuero8 hm³8 hm³100.0 %0 hm³Valladolid·1 reservoirs·100.0% full
Reservoir / basinCapacityStored waterCurrent levelWeekly change
San JoséDuero6 hm³6 hm³100.0 %0 hm³Zamora·8 reservoirs·51.1% full
Reservoir / basinCapacityStored waterCurrent levelWeekly change
Agavanzal, Nª Sª deDuero36 hm³35 hm³97.2 %+1 hm³AlmendraDuero2,649 hm³1,477 hm³55.8 %-103 hm³CastroDuero27 hm³25 hm³92.6 %+1 hm³CernadillaDuero255 hm³38 hm³14.9 %-8 hm³Puente PortoDuero23 hm³2 hm³8.7 %-1 hm³RicobayoDuero1,145 hm³433 hm³37.8 %-65 hm³ValparaísoDuero169 hm³159 hm³94.1 %+1 hm³VillalcampoDuero66 hm³63 hm³95.5 %+1 hm³