Albarellos reservoir

Ourense · Galicia

Miño - Sil basin Reservoirs in GaliciaHydroelectric

Province: Ourense
Basin: Miño - Sil
River: Avia
Dam: Arch · 1971

22.0%

Current level

20 hm³

Stored water

91 hm³

Total capacity

-1.0 hm³

Weekly change

-7.0 hm³

Vs. 2025

-8.1 hm³

Vs. 10-year mean

Historical trend

Stored water volume · hm³

hm³

Weekly summary

The Albarellos reservoir (embalse de Albarellos), in the Miño - Sil basin and linked to Leiro y Boboras, Ourense and Galicia, is at 22.0% of its capacity, holding 20 hm³ against a maximum capacity of 91 hm³. It is currently falling, by 1.0 hm³ this week.

Compared with 2025: below (-7.7 points). Compared with the recent historical mean: below (-8.9 points).

Its main uses include water supply and hydroelectric power.

References
Reference	Level	Difference
Previous week	23.1%	-1.1 pts
Same week 2025	29.7%	-7.7 pts
10-year mean	30.9%	-8.9 pts

Technical data

Characteristics of the dam and its recorded uses.

Characteristics

Municipality: Leiro y Boboras
River: Avia
Dam type: Arch
Year built: 1971
Surface area: 336 ha
Upstream: — no data
Downstream: Frieira

Recorded uses

Water supply
Electricity
Fishing

Not recorded: irrigation, industrial, boating, swimming, picnic, restaurants.

Source: MITECO Inventory of Dams and Reservoirs.

Data: MITECO · AEMET