State Act

Portuguese Civil Code, 1867

Article 434 – Use of waters which are neither navigable nor floatable - The owners or possessors of properties, which are crossed by any watercourses, which are neither navigable nor floatable, have the right to use the said waters for the benefit of their properties, provided that from the back flow of the said waters no damage is caused to the properties which are situated at a higher level, and on lower level the point of exit of the remaining waters does not get altered. § Sole Paragraph - By point of exit is meant, that at which one of the marginal sides of river bed ceases to belong to the property for the first time.