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Autonomous Community · Spain

Castile and León

58.5% average fill

Reservoirs

41

Volume stored

4,426 hm³

Total capacity

7,569 hm³

Critical

3

Low level

5

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Reservoirs

9 provinces
41 reservoirs

León

9 reservoirs · avg 48.7% · 1 critical

Salamanca

8 reservoirs · avg 74.5%

Zamora

8 reservoirs · avg 57.8% · 1 critical

Burgos

4 reservoirs · avg 64%

Palencia

4 reservoirs · avg 37.8% · 1 critical

Segovia

3 reservoirs · avg 61.1%

Ávila

2 reservoirs · avg 71.6%

Soria

2 reservoirs · avg 63.1%

Valladolid

1 reservoirs · avg 100%

About reservoirs in Castile and León

As of September 7, 2026, the reservoirs we track across Castile and León that report live levels hold roughly 4,426 hm³ of water — about 58.5% of their combined capacity. Taken together, Castile and León's reservoirs are within their normal operating range.

Across the region, 3 reservoirs are at critically low levels and 5 are low. San José is the fullest at 100.0%, while Requejada is the lowest at 0.0%.

Over the most recent week on record, 3 reservoirs rose and 19 reservoirs fell across Castile and León.

Storage figures for Castile and León 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.

Castile and León at a glance

Reservoirs tracked
41
Average fill
58.5%
Water stored
4,426 hm³
Combined capacity
7,569 hm³
At critically low levels
3
Fullest
San José (100.0%)
Lowest
Requejada (0.0%)
Last updated
September 7, 2026
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