Reservoirs in the Segura basin

On 6 October 2026 the 15 reservoirs of the Segura basin held 562 hm³ of water, 49.3 percent of their capacity of 1,140 hm³. That is 0.8 percentage points less than a week earlier. A year earlier, on 7 October 2025, they held 16.2 percent. That share is within the normal range for the date. We follow 15 reservoirs in the Segura basin. Of the 15 reservoirs with a current reading and a normal range for the date, 2 reservoirs read below that range and 2 reservoirs above it. Furthest below normal: Alfonso XIII. Furthest above normal: Taibilla. Data: 6 October 2026.

The last 12 months, against the normal range for each week

Level
Normal range for the date
Median for the date
A year earlier

Share of capacity full of the reservoirs of the Segura basin in each weekly bulletin from 6 October 2025 to 6 October 2026, with the normal range for each week and the same weeks a year earlier.

Table: The last 12 months, against the normal range for each week

Week starting	Share full (percent)	Normal range	Median	A year earlier
6 October 2025	16.2 percent	8.8 percent to 56.3 percent	16.7 percent	15.7 percent
13 October 2025	17.1 percent	8.9 percent to 55.1 percent	17.5 percent	15.1 percent
20 October 2025	18.1 percent	8.9 percent to 54.1 percent	17.9 percent	14.6 percent
27 October 2025	18.6 percent	8.9 percent to 53.0 percent	18.1 percent	14.7 percent
3 November 2025	19.2 percent	9.2 percent to 52.3 percent	18.1 percent	18.1 percent
10 November 2025	19.8 percent	9.6 percent to 51.8 percent	18.1 percent	19.0 percent
17 November 2025	20.2 percent	10.0 percent to 51.8 percent	19.0 percent	19.5 percent
24 November 2025	20.5 percent	10.6 percent to 53.0 percent	19.0 percent	20.3 percent
1 December 2025	21.4 percent	11.0 percent to 53.7 percent	19.0 percent	20.8 percent
8 December 2025	22.0 percent	11.2 percent to 53.8 percent	19.1 percent	21.3 percent
15 December 2025	23.1 percent	11.5 percent to 53.9 percent	19.1 percent	21.7 percent
22 December 2025	23.6 percent	11.6 percent to 54.5 percent	19.4 percent	21.8 percent
29 December 2025	25.4 percent	11.8 percent to 55.0 percent	19.5 percent	21.3 percent
5 January 2026	26.3 percent	12.3 percent to 55.8 percent	20.5 percent	21.4 percent
12 January 2026	26.6 percent	12.9 percent to 56.2 percent	21.1 percent	21.1 percent
19 January 2026	26.6 percent	13.4 percent to 56.2 percent	21.1 percent	21.0 percent
26 January 2026	27.0 percent	13.9 percent to 55.9 percent	22.3 percent	20.8 percent
2 February 2026	31.1 percent	14.0 percent to 56.2 percent	24.1 percent	20.6 percent
9 February 2026	39.4 percent	14.4 percent to 56.4 percent	24.7 percent	20.4 percent
16 February 2026	45.6 percent	14.5 percent to 56.5 percent	25.9 percent	20.0 percent
23 February 2026	47.2 percent	15.3 percent to 57.2 percent	26.7 percent	19.5 percent
2 March 2026	47.4 percent	15.5 percent to 58.6 percent	28.4 percent	19.3 percent
9 March 2026	48.6 percent	15.9 percent to 63.2 percent	28.9 percent	22.5 percent
16 March 2026	51.2 percent	16.9 percent to 64.8 percent	29.1 percent	24.5 percent
23 March 2026	53.4 percent	17.2 percent to 66.7 percent	29.3 percent	26.5 percent
30 March 2026	54.7 percent	17.8 percent to 67.8 percent	30.2 percent	27.5 percent
6 April 2026	55.5 percent	18.0 percent to 67.8 percent	30.4 percent	28.3 percent
13 April 2026	56.6 percent	19.3 percent to 67.0 percent	30.4 percent	28.8 percent
20 April 2026	57.6 percent	19.5 percent to 66.3 percent	30.4 percent	29.3 percent
27 April 2026	58.1 percent	19.7 percent to 66.0 percent	30.8 percent	29.4 percent
4 May 2026	58.6 percent	20.3 percent to 66.0 percent	31.1 percent	29.4 percent
11 May 2026	59.5 percent	19.7 percent to 66.2 percent	31.7 percent	30.0 percent
18 May 2026	60.0 percent	19.3 percent to 66.5 percent	31.7 percent	31.0 percent
25 May 2026	60.4 percent	18.4 percent to 66.5 percent	31.7 percent	31.7 percent
1 June 2026	60.1 percent	17.5 percent to 66.1 percent	31.7 percent	31.4 percent
8 June 2026	59.7 percent	17.2 percent to 65.9 percent	31.5 percent	31.3 percent
15 June 2026	59.3 percent	16.8 percent to 65.8 percent	31.5 percent	31.3 percent
22 June 2026	59.1 percent	16.7 percent to 65.7 percent	31.3 percent	31.3 percent
29 June 2026	58.5 percent	16.4 percent to 65.2 percent	30.2 percent	30.6 percent
6 July 2026	58.1 percent	15.4 percent to 63.5 percent	28.9 percent	30.2 percent
13 July 2026	57.2 percent	14.8 percent to 62.1 percent	27.9 percent	29.7 percent
20 July 2026	56.6 percent	14.6 percent to 60.2 percent	26.8 percent	28.7 percent
27 July 2026	55.8 percent	13.9 percent to 59.0 percent	25.9 percent	28.8 percent
3 August 2026	55.2 percent	13.6 percent to 57.6 percent	25.2 percent	28.6 percent
10 August 2026	54.6 percent	12.9 percent to 57.0 percent	24.0 percent	27.5 percent
17 August 2026	54.2 percent	12.7 percent to 56.8 percent	22.5 percent	25.9 percent
24 August 2026	53.7 percent	12.3 percent to 56.5 percent	21.7 percent	24.3 percent
31 August 2026	53.2 percent	11.7 percent to 55.7 percent	21.0 percent	22.5 percent
7 September 2026	53.0 percent	10.8 percent to 54.9 percent	20.4 percent	20.9 percent
14 September 2026	52.8 percent	10.4 percent to 54.4 percent	19.4 percent	19.6 percent
21 September 2026	51.7 percent	9.7 percent to 54.3 percent	18.6 percent	18.1 percent
28 September 2026	50.1 percent	9.0 percent to 53.8 percent	18.1 percent	16.5 percent
5 October 2026	49.3 percent	8.8 percent to 52.7 percent	17.2 percent	16.2 percent

2 places below normal and 2 places above

Furthest below normal

Alfonso XIIIAlfonso XIII
0 hm³6 October 2026
lower than any week of these dates in 38 years
AnchuricasAnchuricas
1 hm³6 October 2026
in the lowest 5 percent for the date

Furthest above normal

TaibillaTaibilla
8 hm³6 October 2026
higher than any week of these dates in 38 years
FuensantaFuensanta
152 hm³6 October 2026
higher than any week of these dates in 38 years

Places in Segura basin

Place	Reading	Against normal for the date	Change in a week
Alfonso XIIIAlfonso XIII	0 hm³6 October 2026	lower than any week of these dates in 38 years	0 hm³
AlgecirasAlgeciras	8 hm³6 October 2026	within the normal range for the date	0 hm³
AnchuricasAnchuricas	1 hm³6 October 2026	in the lowest 5 percent for the date	0 hm³
Argos (Segura)Argos (Segura)	6 hm³6 October 2026	within the normal range for the date	0 hm³
CamarillasCamarillas	9 hm³6 October 2026	within the normal range for the date	0 hm³
CenajoCenajo	256 hm³6 October 2026	within the normal range for the date	-5 hm³
CrevillenteCrevillente	8 hm³6 October 2026	within the normal range for the date	0 hm³
FuensantaFuensanta	152 hm³6 October 2026	higher than any week of these dates in 38 years	-4 hm³
La CiervaLa Cierva	4 hm³6 October 2026	within the normal range for the date	0 hm³
La PedreraLa Pedrera	88 hm³6 October 2026	within the normal range for the date	+1 hm³
PuentesPuentes	12 hm³6 October 2026	within the normal range for the date	0 hm³
SantomeraSantomera	2 hm³6 October 2026	within the normal range for the date	-1 hm³
TaibillaTaibilla	8 hm³6 October 2026	higher than any week of these dates in 38 years	0 hm³
TalaveTalave	8 hm³6 October 2026	within the normal range for the date	0 hm³
ValdeinfiernoValdeinfierno	0 hm³6 October 2026	within the normal range for the date	0 hm³

Rivers and lakes

Water	Places	Below normal (places)	Above normal (places)
Alfonso XIIIreservoir, Spain	1	1	0
Algecirasreservoir, Spain	1	0	0
Anchuricasreservoir, Spain	1	1	0
Argos (Segura)reservoir, Spain	1	0	0
Camarillasreservoir, Spain	1	0	0
Cenajoreservoir, Spain	1	0	0
Crevillentereservoir, Spain	1	0	0
Fuensantareservoir, Spain	1	0	1
La Ciervareservoir, Spain	1	0	0
La Pedrerareservoir, Spain	1	0	0
Puentesreservoir, Spain	1	0	0
Santomerareservoir, Spain	1	0	0
Taibillareservoir, Spain	1	0	1
Talavereservoir, Spain	1	0	0
Valdeinfiernoreservoir, Spain	1	0	0