Reservoirs in the Galicia Costa basin

On 6 October 2026 the 11 reservoirs of the Galicia Costa basin held 343 hm³ of water, 50.2 percent of their capacity of 684 hm³. That is 1.6 percentage points less than a week earlier. A year earlier, on 7 October 2025, they held 43.9 percent. That share is within the normal range for the date. We follow 11 reservoirs in the Galicia Costa basin. Of the 11 reservoirs with a current reading and a normal range for the date, 2 reservoirs read below that range and none above it. Furthest below normal: Riocobo. Data: 6 October 2026.

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

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

Share of capacity full of the reservoirs of the Galicia Costa 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	43.9 percent	42.1 percent to 63.6 percent	51.5 percent	56.7 percent
13 October 2025	42.4 percent	41.2 percent to 63.8 percent	50.7 percent	71.5 percent
20 October 2025	41.5 percent	40.4 percent to 65.6 percent	50.3 percent	73.7 percent
27 October 2025	43.0 percent	41.7 percent to 68.7 percent	51.2 percent	74.9 percent
3 November 2025	44.2 percent	43.9 percent to 71.6 percent	52.2 percent	71.9 percent
10 November 2025	47.1 percent	44.0 percent to 72.1 percent	54.8 percent	69.2 percent
17 November 2025	55.7 percent	44.0 percent to 77.8 percent	58.8 percent	68.6 percent
24 November 2025	56.9 percent	44.0 percent to 81.3 percent	60.9 percent	71.1 percent
1 December 2025	61.3 percent	43.4 percent to 81.2 percent	61.6 percent	75.6 percent
8 December 2025	72.7 percent	43.6 percent to 81.2 percent	64.9 percent	79.4 percent
15 December 2025	74.0 percent	45.3 percent to 81.2 percent	67.3 percent	78.8 percent
22 December 2025	73.5 percent	44.9 percent to 83.6 percent	69.2 percent	81.7 percent
29 December 2025	74.6 percent	44.0 percent to 85.9 percent	69.9 percent	80.9 percent
5 January 2026	69.7 percent	43.3 percent to 88.6 percent	70.9 percent	82.3 percent
12 January 2026	69.7 percent	45.1 percent to 89.8 percent	70.9 percent	87.4 percent
19 January 2026	72.7 percent	45.6 percent to 89.2 percent	70.8 percent	89.0 percent
26 January 2026	75.7 percent	47.6 percent to 89.0 percent	71.6 percent	85.7 percent
2 February 2026	84.7 percent	48.5 percent to 89.6 percent	73.5 percent	92.3 percent
9 February 2026	94.9 percent	53.1 percent to 90.0 percent	74.3 percent	90.8 percent
16 February 2026	95.2 percent	53.7 percent to 89.6 percent	74.6 percent	89.6 percent
23 February 2026	94.2 percent	52.9 percent to 89.0 percent	74.9 percent	86.8 percent
2 March 2026	91.8 percent	50.6 percent to 89.0 percent	74.6 percent	87.6 percent
9 March 2026	88.7 percent	50.3 percent to 89.2 percent	75.7 percent	83.2 percent
16 March 2026	89.5 percent	50.7 percent to 89.6 percent	75.7 percent	77.1 percent
23 March 2026	89.0 percent	51.3 percent to 88.8 percent	75.4 percent	77.5 percent
30 March 2026	89.3 percent	55.3 percent to 88.5 percent	74.2 percent	78.5 percent
6 April 2026	89.0 percent	56.6 percent to 88.7 percent	73.7 percent	76.8 percent
13 April 2026	86.7 percent	59.1 percent to 88.2 percent	74.4 percent	75.9 percent
20 April 2026	85.1 percent	62.9 percent to 86.6 percent	75.7 percent	84.2 percent
27 April 2026	83.0 percent	64.1 percent to 87.1 percent	77.3 percent	84.2 percent
4 May 2026	81.9 percent	64.5 percent to 87.7 percent	78.5 percent	83.5 percent
11 May 2026	80.4 percent	64.9 percent to 88.1 percent	79.4 percent	80.0 percent
18 May 2026	80.4 percent	65.6 percent to 87.6 percent	79.4 percent	80.1 percent
25 May 2026	79.0 percent	65.7 percent to 87.7 percent	79.0 percent	79.7 percent
1 June 2026	77.3 percent	65.9 percent to 87.1 percent	78.4 percent	75.7 percent
8 June 2026	76.0 percent	66.3 percent to 87.1 percent	77.3 percent	73.7 percent
15 June 2026	74.3 percent	67.5 percent to 86.3 percent	77.2 percent	71.6 percent
22 June 2026	70.8 percent	67.4 percent to 85.3 percent	77.1 percent	68.0 percent
29 June 2026	69.3 percent	65.6 percent to 85.0 percent	75.6 percent	67.4 percent
6 July 2026	67.4 percent	63.7 percent to 84.8 percent	74.7 percent	63.9 percent
13 July 2026	65.8 percent	61.8 percent to 84.0 percent	73.5 percent	62.0 percent
20 July 2026	65.2 percent	59.2 percent to 81.6 percent	71.5 percent	61.0 percent
27 July 2026	63.9 percent	57.6 percent to 78.9 percent	69.9 percent	59.9 percent
3 August 2026	62.1 percent	55.6 percent to 77.3 percent	67.4 percent	58.5 percent
10 August 2026	61.8 percent	53.5 percent to 75.7 percent	65.2 percent	55.9 percent
17 August 2026	59.9 percent	51.7 percent to 73.8 percent	64.0 percent	52.3 percent
24 August 2026	58.8 percent	50.2 percent to 72.3 percent	61.8 percent	50.4 percent
31 August 2026	58.6 percent	48.7 percent to 70.3 percent	59.9 percent	48.7 percent
7 September 2026	57.6 percent	46.0 percent to 67.7 percent	57.6 percent	48.1 percent
14 September 2026	55.4 percent	44.8 percent to 67.0 percent	55.4 percent	47.7 percent
21 September 2026	53.7 percent	43.9 percent to 65.4 percent	54.5 percent	46.1 percent
28 September 2026	51.8 percent	42.3 percent to 64.0 percent	53.4 percent	44.7 percent
5 October 2026	50.2 percent	42.1 percent to 64.0 percent	53.4 percent	43.9 percent

2 places below normal and 0 places above

Furthest below normal

RiocoboRiocobo
2 hm³6 October 2026
in the lowest 5 percent for the date
As ForcadasAs Forcadas
4 hm³6 October 2026
in the lowest 10 percent for the date

Places in Galicia Costa basin

Place	Reading	Against normal for the date	Change in a week
A RibeiraA Ribeira	17 hm³6 October 2026	within the normal range for the date	0 hm³
As ForcadasAs Forcadas	4 hm³6 October 2026	in the lowest 10 percent for the date	0 hm³
Barrie de la MazaBarrie de la Maza	10 hm³6 October 2026	within the normal range for the date	0 hm³
CecebreCecebre	10 hm³6 October 2026	within the normal range for the date	-1 hm³
EirasEiras	11 hm³6 October 2026	within the normal range for the date	0 hm³
EumeEume	84 hm³6 October 2026	within the normal range for the date	-2 hm³
FervenzaFervenza	39 hm³6 October 2026	within the normal range for the date	-2 hm³
PortodemourosPortodemouros	139 hm³6 October 2026	within the normal range for the date	-7 hm³
RiocoboRiocobo	2 hm³6 October 2026	in the lowest 5 percent for the date	0 hm³
Sta UxiaSta Uxia	12 hm³6 October 2026	within the normal range for the date	+1 hm³
VillagudínVillagudín	15 hm³6 October 2026	within the normal range for the date	0 hm³

Rivers and lakes

Water	Places	Below normal (places)
A Ribeirareservoir, Spain	1	0
As Forcadasreservoir, Spain	1	1
Barrie de la Mazareservoir, Spain	1	0
Cecebrereservoir, Spain	1	0
Eirasreservoir, Spain	1	0
Eumereservoir, Spain	1	0
Fervenzareservoir, Spain	1	0
Portodemourosreservoir, Spain	1	0
Riocoboreservoir, Spain	1	1
Sta Uxiareservoir, Spain	1	0
Villagudínreservoir, Spain	1	0