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Autonomous Community · Spain

Aragon

43% average fill

Reservoirs

33

Volume stored

1,938 hm³

Total capacity

4,504 hm³

Critical

5

Low level

7

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Reservoirs

3 provinces
33 reservoirs

Huesca

19 reservoirs · avg 37.6% · 3 critical

Barasona

Huesca

Low

Fill level

31.8%

27 hm³

/ 85 cap.

↑ +10.6 pp this week💧 multiple

Baserca

Huesca

Normal

Fill level

68.2%

15 hm³

/ 22 cap.

↑ +4.6 pp this week💧 multiple

Búbal

Huesca

Critical

Fill level

7.9%

5 hm³

/ 63 cap.

→ 0.0 pp this week💧 multiple

Canelles

Huesca

Normal

Fill level

44.8%

304 hm³

/ 679 cap.

→ -0.1 pp this week💧 multiple

Escales

Huesca

Normal

Fill level

78.9%

120 hm³

/ 152 cap.

→ +0.6 pp this week💧 multiple

El Grado

Huesca

Normal

Fill level

41.0%

164 hm³

/ 400 cap.

→ 0.0 pp this week💧 multiple

Lanuza

Huesca

Critical

Fill level

17.6%

3 hm³

/ 17 cap.

→ 0.0 pp this week💧 multiple

Llauset

Huesca

Normal

Fill level

41.2%

7 hm³

/ 17 cap.

↑ +5.9 pp this week💧 multiple

Mediano

Huesca

Low

Fill level

23.7%

103 hm³

/ 435 cap.

↑ +2.3 pp this week💧 multiple

Montearagón

Huesca

Normal

Fill level

46.2%

24 hm³

/ 52 cap.

↓ -1.9 pp this week💧 multiple

La peña

Huesca

Normal

Fill level

46.7%

7 hm³

/ 15 cap.

↓ -6.6 pp this week💧 multiple

San Salvador

Huesca

Low

Fill level

35.0%

48 hm³

/ 137 cap.

→ 0.0 pp this week💧 multiple

Santa Ana

Huesca

Normal

Fill level

56.1%

133 hm³

/ 237 cap.

→ +0.4 pp this week💧 multiple

Sistema Aguas Limpias

Huesca

Low

Fill level

33.3%

6 hm³

/ 18 cap.

→ 0.0 pp this week💧 multiple

Sistema Alto Caldarés

Huesca

Low

Fill level

22.2%

4 hm³

/ 18 cap.

→ 0.0 pp this week💧 multiple

Sistema Escarra

Huesca

Low

Fill level

20.0%

1 hm³

/ 5 cap.

→ 0.0 pp this week💧 multiple

Urdiceto

Huesca

Normal

Fill level

40.0%

2 hm³

/ 5 cap.

→ 0.0 pp this week💧 multiple

Vadiello

Huesca

Normal

Fill level

43.8%

7 hm³

/ 16 cap.

→ 0.0 pp this week💧 multiple

Valdepatao

Huesca

Critical

Fill level

16.7%

1 hm³

/ 6 cap.

→ 0.0 pp this week💧 multiple

Zaragoza

9 reservoirs · avg 40.8% · 2 critical

Teruel

5 reservoirs · avg 57.7%

About reservoirs in Aragon

As of October 27, 2026, the reservoirs we track across Aragon that report live levels hold roughly 1,938 hm³ of water — about 43.0% of their combined capacity. Taken together, Aragon's reservoirs are within their normal operating range.

Across the region, 5 reservoirs are at critically low levels and 7 are low. Escales is the fullest at 78.9%, while Búbal is the lowest at 7.9%.

Over the most recent week on record, 4 reservoirs rose and 4 reservoirs fell across Aragon.

Storage figures for Aragon come from MITECO; the most recent reading is from October 27, 2026. Each reservoir below links to its own page with full history and seasonal context.

Aragon at a glance

Reservoirs tracked
33
Average fill
43.0%
Water stored
1,938 hm³
Combined capacity
4,504 hm³
At critically low levels
5
Fullest
Escales (78.9%)
Lowest
Búbal (7.9%)
Last updated
October 27, 2026
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