Confederación Hidrográfica · Spain
Cantábrico Occidental
64.3% llenado medio
Embalses
10
Volumen embalsado
315 hm³
Capacidad total
496 hm³
Críticos
1
Bajo nivel
1
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
79.4%
27 hm³
/ 34 cap.
La Cohilla
Cantabria
Fill level
16.7%
2 hm³
/ 12 cap.
Doiras
Asturias
Fill level
78.4%
76 hm³
/ 97 cap.
Rioseco
Cantábrico Occidental
Fill level
75.0%
3 hm³
/ 4 cap.
Salime
Asturias
Fill level
51.7%
123 hm³
/ 238 cap.
Somiedo (Lagos)
Cantábrico Occidental
Fill level
N/A
6 hm³ cap.
Tanes
Asturias
Fill level
70.6%
24 hm³
/ 34 cap.
About reservoirs in Cantábrico Occidental
As of September 7, 2026, the reservoirs we track across Cantábrico Occidental that report live levels hold roughly 315 hm³ of water — about 64.3% 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 1 is low. Arbón is the fullest at 92.7%, while La Cohilla is the lowest at 16.7%.
Over the most recent week on record, 1 reservoir rose and 3 reservoirs fell across Cantábrico Occidental.
Storage figures for Cantábrico Occidental come from MITECO; the most recent reading is from September 7, 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
- 64.3%
- Water stored
- 315 hm³
- Combined capacity
- 496 hm³
- At critically low levels
- 1
- Fullest
- Arbón (92.7%)
- Lowest
- La Cohilla (16.7%)
- Last updated
- September 7, 2026