Alfilorios reservoir

Asturias · Asturias / Asturies

Cantábrico Occidental basin Reservoirs in Asturias / Asturies

Province: Asturias
Basin: Cantábrico Occidental
River: Barrea
Dam: Embankment, clay core · 1990

37.5%

Current level

3 hm³

Stored water

8 hm³

Total capacity

0.0 hm³

Weekly change

0.0 hm³

Vs. 2025

-1.2 hm³

Vs. 10-year mean

Historical trend

Stored water volume · hm³

hm³

Weekly summary

The Alfilorios reservoir (embalse de Alfilorios), in the Cantábrico Occidental basin and linked to Ribera de Arriba, Asturias and Asturias / Asturies, is at 37.5% of its capacity, holding 3 hm³ against a maximum capacity of 8 hm³. It is currently steady in the latest update.

Compared with 2025: in line with that level. Compared with the recent historical mean: below (-15.0 points).

Its main uses include water supply and irrigation.

References
Reference	Level	Difference
Previous week	37.5%	0.0 pts
Same week 2025	37.5%	0.0 pts
10-year mean	52.5%	-15.0 pts

Technical data

Characteristics of the dam and its recorded uses.

Characteristics

Municipality: Ribera de Arriba
River: Barrea
Dam type: Embankment, clay core
Year built: 1990
Surface area: 52 ha
Upstream: — no data
Downstream: No

Recorded uses

Water supply
Irrigation

Not recorded: electricity, industrial, fishing, boating, swimming, picnic, restaurants.

Source: MITECO Inventory of Dams and Reservoirs.

Data: MITECO · AEMET