Confederación Hidrográfica · Spain
Cantábrico Occidental
54.6% llenado medio
Embalses
10
Volumen embalsado
271 hm³
Capacidad total
496 hm³
Críticos
1
Bajo nivel
3
Cargando mapa…
Todos los embalses
10 embalsesAlfilorios
Asturias
Fill level
37.5%
3 hm³
/ 8 cap.
Alsa - Mediajo
Cantábrico Occidental
Fill level
86.4%
19 hm³
/ 22 cap.
Arbón
Asturias
Fill level
92.7%
38 hm³
/ 41 cap.
La barca
Asturias
Fill level
82.8%
24 hm³
/ 34 cap.
La Cohilla
Cantabria
Fill level
25.0%
3 hm³
/ 12 cap.
Doiras
Asturias
Fill level
73.2%
71 hm³
/ 97 cap.
Rioseco
Cantábrico Occidental
Fill level
75.0%
3 hm³
/ 4 cap.
Salime
Asturias
Fill level
37.0%
88 hm³
/ 238 cap.
Somiedo (Lagos)
Cantábrico Occidental
Fill level
0.0%
0 hm³
/ 6 cap.
Tanes
Asturias
Fill level
64.7%
22 hm³
/ 34 cap.
About reservoirs in Cantábrico Occidental
As of October 19, 2026, the reservoirs we track across Cantábrico Occidental that report live levels hold roughly 271 hm³ of water — about 54.6% of their combined capacity. Taken together, Cantábrico Occidental's reservoirs are within their normal operating range.
Across the region, 1 reservoir is at critically low levels and 3 are low. Arbón is the fullest at 92.7%, while Somiedo (Lagos) is the lowest at 0.0%.
Over the most recent week on record, 1 reservoir rose and 2 reservoirs fell across Cantábrico Occidental.
Storage figures for Cantábrico Occidental come from MITECO; the most recent reading is from October 19, 2026. Each reservoir below links to its own page with full history and seasonal context.
Cantábrico Occidental at a glance
- Reservoirs tracked
- 10
- Average fill
- 54.6%
- Water stored
- 271 hm³
- Combined capacity
- 496 hm³
- At critically low levels
- 1
- Fullest
- Arbón (92.7%)
- Lowest
- Somiedo (Lagos) (0.0%)
- Last updated
- October 19, 2026