Autonomous Community · Spain
Castile and León
47.4% average fill
Reservoirs
41
Volume stored
3,584 hm³
Total capacity
7,569 hm³
Critical
5
Low level
11
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Reservoirs
9 provincesLeón
9 reservoirs · avg 40.5% · 2 criticalBarrios de Luna
León
Fill level
22.5%
70 hm³
/ 311 cap.
Casares de Arbas
León
Fill level
37.8%
14 hm³
/ 37 cap.
Riaño
León
Fill level
37.4%
240 hm³
/ 641 cap.
Villameca
León
Fill level
10.5%
2 hm³
/ 19 cap.
Bárcena
León
Fill level
60.7%
207 hm³
/ 341 cap.
La Campañana
León
Fill level
57.1%
8 hm³
/ 14 cap.
Matalavilla
León
Fill level
40.0%
26 hm³
/ 65 cap.
Peñarrubia
León
Fill level
84.6%
11 hm³
/ 13 cap.
Las Rozas
León
Fill level
14.3%
4 hm³
/ 28 cap.
Salamanca
8 reservoirs · avg 67.2%Águeda
Salamanca
Fill level
66.7%
10 hm³
/ 15 cap.
Aldeadávila
Salamanca
Fill level
90.4%
103 hm³
/ 114 cap.
Almendra
Salamanca
Fill level
51.8%
1,371 hm³
/ 2,649 cap.
Irueña
Salamanca
Fill level
49.1%
54 hm³
/ 110 cap.
Santa Teresa
Salamanca
Fill level
46.4%
230 hm³
/ 496 cap.
Saucelle
Salamanca
Fill level
97.8%
177 hm³
/ 181 cap.
Villagonzalo
Salamanca
Fill level
100.0%
6 hm³
/ 6 cap.
Navamuño
Salamanca
Fill level
35.7%
5 hm³
/ 14 cap.
Zamora
8 reservoirs · avg 52.1% · 2 criticalCastro
Zamora
Fill level
96.3%
26 hm³
/ 27 cap.
Cernadilla
Zamora
Fill level
13.3%
34 hm³
/ 255 cap.
Puente Porto
Zamora
Fill level
8.7%
2 hm³
/ 23 cap.
Ricobayo
Zamora
Fill level
34.8%
398 hm³
/ 1,145 cap.
Valparaiso
Zamora
Fill level
92.3%
156 hm³
/ 169 cap.
Villalcampo
Zamora
Fill level
90.9%
60 hm³
/ 66 cap.
Pías (San Agustín)
Zamora
Fill level
50.0%
5 hm³
/ 10 cap.
San Sebastián
Zamora
Fill level
30.4%
14 hm³
/ 46 cap.
Burgos
4 reservoirs · avg 55.4%Ordunte
Burgos
Fill level
50.0%
11 hm³
/ 22 cap.
Arlanzón
Burgos
Fill level
36.4%
8 hm³
/ 22 cap.
Uzquiza
Burgos
Fill level
60.0%
45 hm³
/ 75 cap.
Sobrón
Burgos
Fill level
75.0%
15 hm³
/ 20 cap.
Palencia
4 reservoirs · avg 45.1%Camporredondo
Palencia
Fill level
20.3%
14 hm³
/ 69 cap.
Cervera
Palencia
Fill level
80.0%
8 hm³
/ 10 cap.
Compuerto
Palencia
Fill level
24.2%
23 hm³
/ 95 cap.
Requejada
Palencia
Fill level
55.9%
33 hm³
/ 59 cap.
Segovia
3 reservoirs · avg 29% · 1 criticalÁvila
2 reservoirs · avg 69%Soria
2 reservoirs · avg 60.3%Valladolid
1 reservoirs · avg 100%About reservoirs in Castile and León
As of October 19, 2026, the reservoirs we track across Castile and León that report live levels hold roughly 3,584 hm³ of water — about 47.4% of their combined capacity. Taken together, Castile and León's reservoirs are within their normal operating range.
Across the region, 5 reservoirs are at critically low levels and 11 are low. San José is the fullest at 100.0%, while Las Vencias is the lowest at 0.0%.
Over the most recent week on record, 1 reservoir rose and 18 reservoirs fell across Castile and León.
Storage figures for Castile and León 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.
Castile and León at a glance
- Reservoirs tracked
- 41
- Average fill
- 47.4%
- Water stored
- 3,584 hm³
- Combined capacity
- 7,569 hm³
- At critically low levels
- 5
- Fullest
- San José (100.0%)
- Lowest
- Las Vencias (0.0%)
- Last updated
- October 19, 2026