Ebro reservoir

Cantabria · Cantabria

Ebro basin Reservoirs in Cantabria

Province: Cantabria
Basin: Ebro
River: Ebro
Dam: Gravity · 1945

52.7%

Current level

285 hm³

Stored water

541 hm³

Total capacity

-3.0 hm³

Weekly change

-51.0 hm³

Vs. 2025

+58.0 hm³

Vs. 10-year mean

Historical trend

Stored water volume · hm³

hm³

Weekly summary

The Ebro reservoir (embalse de Ebro), in the Ebro basin and linked to Las Rozas de Valdearroyo, Cantabria and Cantabria, is at 52.7% of its capacity, holding 285 hm³ against a maximum capacity of 541 hm³. It is currently falling, by 3.0 hm³ this week.

Compared with 2025: below (-9.4 points). Compared with the recent historical mean: above (+10.7 points).

Its main uses include water supply, irrigation and hydroelectric power.

References
Reference	Level	Difference
Previous week	53.2%	-0.6 pts
Same week 2025	62.1%	-9.4 pts
10-year mean	42.0%	+10.7 pts

Technical data

Characteristics of the dam and its recorded uses.

Characteristics

Municipality: Las Rozas de Valdearroyo
River: Ebro
Dam type: Gravity
Year built: 1945
Surface area: 6,253 ha
Upstream: — no data
Downstream: Sobrón

Recorded uses

Water supply
Irrigation
Electricity
Fishing
Swimming

Not recorded: industrial, boating, picnic, restaurants.

Source: MITECO Inventory of Dams and Reservoirs.

Data: MITECO · AEMET