WhatAWeather
☰
Map
Tools
Reservoirs
Blog
ES
EN
Home
›
Reservoirs
›
Guadiana Basin
›
Orellana
Orellana reservoir
Guadiana river · Guadiana Basin · latest reading 2026-05-09. Built in 1961.
Fill %
63.1 %
-0.1 pp this week
Current volume
510.0 hm³
Capacity
808.0 hm³
Coordinates
39.0500, -5.5333
Specifications
River
Guadiana
Basin
Guadiana Basin
Useful capacity
808.0 hm³
Current volume
510.0 hm³
Fill
63.1 %
Weekly change
-0.1 pp
Built
1961
Last update
2026-05-09
Location
Estimated yearly evolution
100%
66%
33%
J
F
M
A
M
J
J
A
S
O
N
D
Illustrative figures. Authoritative source: MITECO weekly hydrological bulletin and the Guadiana Basin river basin authority. We will plug in the live API in upcoming iterations.