World Water Levels

Reservoirs in the Duero basin

On 6 October 2026 the 35 reservoirs of the Duero basin held 3,715 hm³ of water, 48.9 percent of their capacity of 7,602 hm³. That is 2.5 percentage points less than a week earlier. A year earlier, on 7 October 2025, they held 57 percent. That share is within the normal range for the date. We follow 35 reservoirs in the Duero basin. Of the 34 reservoirs with a current reading and a normal range for the date, none read below that range and 2 reservoirs above it. Furthest above normal: Serones. Data: .

The last 12 months, against the normal range for each week

The last 12 months, against the normal range for each week 40 percent 60 percent 80 percent 48.9 percent
  • Level
  • Above the normal range
  • Normal range for the date
  • Median for the date
  • A year earlier
Share of capacity full of the reservoirs of the Duero basin in each weekly bulletin from 6 October 2025 to 6 October 2026, with the normal range for each week and the same weeks a year earlier.
Table: The last 12 months, against the normal range for each week
Week startingShare full (percent)Normal rangeMedianA year earlier
57.0 percent37.6 percent to 63.2 percent50.6 percent61.7 percent
55.2 percent37.3 percent to 62.9 percent50.4 percent63.3 percent
53.6 percent36.7 percent to 62.6 percent49.5 percent65.3 percent
52.7 percent36.6 percent to 62.4 percent49.7 percent64.3 percent
51.9 percent35.7 percent to 62.9 percent50.9 percent63.8 percent
51.9 percent35.2 percent to 63.3 percent51.4 percent62.5 percent
55.7 percent36.2 percent to 63.3 percent51.9 percent61.6 percent
56.6 percent39.0 percent to 64.5 percent52.5 percent61.6 percent
56.4 percent39.4 percent to 66.8 percent52.5 percent62.0 percent
56.4 percent39.8 percent to 70.2 percent52.7 percent62.4 percent
56.3 percent41.7 percent to 72.4 percent53.9 percent61.8 percent
56.3 percent41.7 percent to 73.4 percent54.4 percent62.9 percent
56.0 percent41.5 percent to 75.4 percent55.5 percent63.6 percent
55.4 percent44.2 percent to 76.1 percent58.1 percent63.9 percent
55.4 percent45.0 percent to 76.8 percent59.0 percent66.2 percent
55.0 percent44.8 percent to 78.5 percent61.8 percent64.3 percent
56.1 percent44.5 percent to 80.7 percent64.2 percent67.3 percent
64.4 percent44.6 percent to 82.9 percent66.9 percent72.5 percent
76.8 percent46.8 percent to 83.3 percent67.0 percent71.7 percent
82.3 percent49.4 percent to 84.4 percent68.0 percent71.2 percent
85.0 percent49.4 percent to 84.4 percent69.2 percent71.1 percent
85.5 percent48.4 percent to 85.2 percent69.9 percent70.7 percent
85.3 percent48.2 percent to 87.9 percent69.8 percent73.0 percent
86.0 percent49.3 percent to 88.2 percent69.8 percent75.9 percent
86.2 percent51.2 percent to 88.6 percent71.5 percent79.9 percent
86.8 percent53.0 percent to 89.2 percent71.7 percent83.9 percent
87.0 percent54.1 percent to 90.9 percent72.1 percent86.0 percent
87.5 percent54.2 percent to 91.3 percent73.9 percent87.0 percent
87.3 percent54.6 percent to 91.9 percent74.3 percent89.3 percent
87.1 percent55.3 percent to 92.5 percent75.9 percent90.6 percent
87.4 percent56.8 percent to 92.4 percent76.1 percent91.7 percent
87.5 percent57.5 percent to 93.0 percent78.1 percent92.3 percent
89.1 percent57.6 percent to 93.1 percent77.0 percent92.6 percent
89.8 percent57.7 percent to 92.8 percent77.0 percent92.8 percent
88.7 percent57.7 percent to 92.3 percent78.4 percent92.2 percent
88.1 percent57.6 percent to 91.8 percent77.3 percent91.8 percent
87.0 percent57.6 percent to 91.3 percent76.4 percent90.4 percent
85.3 percent56.1 percent to 90.4 percent76.0 percent88.7 percent
83.0 percent54.4 percent to 89.5 percent74.7 percent86.6 percent
81.4 percent53.1 percent to 87.1 percent72.3 percent83.7 percent
78.6 percent51.4 percent to 85.3 percent69.6 percent81.6 percent
75.2 percent49.3 percent to 83.8 percent67.6 percent79.3 percent
71.1 percent47.6 percent to 81.6 percent65.3 percent77.3 percent
68.4 percent46.1 percent to 78.6 percent63.6 percent75.9 percent
65.7 percent44.1 percent to 76.5 percent62.1 percent72.8 percent
63.0 percent42.8 percent to 74.3 percent60.5 percent69.7 percent
60.6 percent41.4 percent to 71.9 percent59.4 percent67.5 percent
59.6 percent40.4 percent to 70.1 percent57.5 percent65.2 percent
57.6 percent39.1 percent to 68.3 percent56.1 percent63.7 percent
55.8 percent38.4 percent to 65.8 percent54.8 percent62.1 percent
53.9 percent37.9 percent to 64.8 percent53.1 percent59.8 percent
51.4 percent37.6 percent to 63.1 percent51.4 percent58.5 percent
48.9 percent37.6 percent to 62.7 percent50.4 percent57.0 percent

0 places below normal and 2 places above

Furthest above normal

  1. SeronesSerones

    6 hm³

    in the highest 10 percent for the date

  2. RequejadaRequejada

    33 hm³

    in the highest 10 percent for the date

Places in Duero basin

PlaceReadingAgainst normal for the dateChange in a week
AguilarAguilar99 hm³within the normal range for the date-2 hm³
AldeadávilaAldeadávila110 hm³within the normal range for the date+5 hm³
AlmendraAlmendra1,477 hm³within the normal range for the date-103 hm³
ArlanzónArlanzón9 hm³within the normal range for the date0 hm³
Barrios de LunaBarrios de Luna73 hm³within the normal range for the date-1 hm³
BurgomillodoBurgomillodo8 hm³within the normal range for the date-2 hm³
CamporredondoCamporredondo15 hm³within the normal range for the date0 hm³
Casares de ArbasCasares de Arbas17 hm³within the normal range for the date0 hm³
CastroCastro25 hm³within the normal range for the date+1 hm³
Castro de las CogotasCastro de las Cogotas22 hm³within the normal range for the date0 hm³
CernadillaCernadilla38 hm³within the normal range for the date-8 hm³
CerveraCervera9 hm³within the normal range for the date0 hm³
CompuertoCompuerto23 hm³within the normal range for the date-1 hm³
Cuerda del PozoCuerda del Pozo128 hm³within the normal range for the date-2 hm³
El Pontón AltoEl Pontón Alto5 hm³within the normal range for the date0 hm³
IrueñaIrueña54 hm³-1 hm³
Las VencíasLas Vencías4 hm³within the normal range for the date-1 hm³
Linares del ArroyoLinares del Arroyo20 hm³within the normal range for the date-1 hm³
Nª Sª de AgavanzalNª Sª de Agavanzal35 hm³within the normal range for the date+1 hm³
Porma (Juan Benet)Porma (Juan Benet)122 hm³within the normal range for the date-2 hm³
Puente PortoPuente Porto2 hm³within the normal range for the date-1 hm³
RequejadaRequejada33 hm³in the highest 10 percent for the date-1 hm³
RiañoRiaño239 hm³within the normal range for the date-4 hm³
RicobayoRicobayo433 hm³within the normal range for the date-65 hm³
RábanosRábanos8 hm³within the normal range for the date0 hm³
San JoséSan José6 hm³within the normal range for the date0 hm³
Santa TeresaSanta Teresa233 hm³within the normal range for the date-6 hm³
SaucelleSaucelle176 hm³within the normal range for the date+1 hm³
SeronesSerones6 hm³in the highest 10 percent for the date0 hm³
ValparaísoValparaíso159 hm³within the normal range for the date+1 hm³
VillagonzaloVillagonzalo6 hm³within the normal range for the date0 hm³
VillalcampoVillalcampo63 hm³within the normal range for the date+1 hm³
VillamecaVillameca2 hm³within the normal range for the date0 hm³
ÁguedaÁgueda10 hm³within the normal range for the date0 hm³
ÚzquizaÚzquiza46 hm³within the normal range for the date-1 hm³

Rivers and lakes

WaterPlacesBelow normal (places)Above normal (places)
Aguilarreservoir, Spain100
Aldeadávilareservoir, Spain100
Almendrareservoir, Spain100
Arlanzónreservoir, Spain100
Barrios de Lunareservoir, Spain100
Burgomillodoreservoir, Spain100
Camporredondoreservoir, Spain100
Casares de Arbasreservoir, Spain100
Castroreservoir, Spain100
Castro de las Cogotasreservoir, Spain100
Cernadillareservoir, Spain100
Cerverareservoir, Spain100
Compuertoreservoir, Spain100
Cuerda del Pozoreservoir, Spain100
El Pontón Altoreservoir, Spain100
Irueñareservoir, Spain: 54 hm³100
Las Vencíasreservoir, Spain100
Linares del Arroyoreservoir, Spain100
Nª Sª de Agavanzalreservoir, Spain100
Porma (Juan Benet)reservoir, Spain100
Puente Portoreservoir, Spain100
Requejadareservoir, Spain101
Riañoreservoir, Spain100
Ricobayoreservoir, Spain100
Rábanosreservoir, Spain100
San Joséreservoir, Spain100
Santa Teresareservoir, Spain100
Saucellereservoir, Spain100
Seronesreservoir, Spain101
Valparaísoreservoir, Spain100
Villagonzaloreservoir, Spain100
Villalcamporeservoir, Spain100
Villamecareservoir, Spain100
Águedareservoir, Spain100
Úzquizareservoir, Spain100