Spain. Dirección General de Obras Hidraulicas. Confederación Hidrográfica del Ebro is the organization.
According to PR-model, chebro.es is ranked 65,732nd in multilingual Wikipedia, in particular this website is ranked 7,322nd in Spanish Wikipedia.
The website is placed before schaatsstatistieken.nl and after sheilaomalley.com in the BestRef global ranking of the most important sources of Wikipedia.