Type of resources
Contact for the resource
Drainage and flood plain
Flood areas resulting from the rupture or breakdown of the Baells dam.
In order to develop the Article 5 of the Directive, it is necessary to define in advance the basic river network of the demarcation on which the water bodies will be delimited. To do this, the river network extracted from the 1:50,000 scale topographic base of the Cartographic Institute of Catalonia (ICC, 2002) was used. On this basis, some background has been taken into account and some criteria have been applied that have served to establish the definitive scope of the river network. Background: These backgrounds are based on the following three considerations and sources: - Water Framework Directive: the classification of rivers according to system A of the Directive considers rivers with a drainage basin equal to or greater than 10 km2. - Centro de Estudios Hidrográficos del CEDEX: has restricted the basic hydrographic network based on two conditions: (i) drainage basin equal to or greater than 10 km2; and (ii) an average annual contribution in natural regime greater than 3.15 hm3/year (100 L/s). - Reference stations: regardless of the flow and the drained basin area, the river sections where reference stations are used to determine the reference conditions of certain river types have been considered.
Flooding areas resulting from the rupture or damage of the Llosa del Cavall dam.
Vulnerable elements that can be affected in case of breakage or damage of the Llosa del Cavall dam.
Vulnerable elements that can be affected in case of breakage or damage of the Baells's dam.
Vulnerable elements that can be affected in case of breakage or damage of the Sant Ponç's dam.
The Directive defines the category "lake" as "a body of quiet superficial inland water " (Article 2) and specifies a lower limit of 0.5 km2 when establishing its rates (Annex II). At the level of Spain and based on preliminary CEDEX criteria, all those lakes with an area of more than 50 ha (0.5 km2) or all those with an area of more than 8 ha and exceeding 3 m in depth are included as bodies of water. The Agency through two agreements with research centers has proposed as bodies of water that could be assimilated to the category of lakes: 1 - Lakes and ponds of more than 0.5 ha of surface located at altitudes above 800 m and lakes below this level with a depth of more than 6 m (agreement with the CEAB-CSIC; Agency, 2003d). 2 - Wetlands located at altitudes below 800 and with a depth of less than 6 m (agreement with the UdG; Agency, 2004d). Also included in this category are the reservoirs of the inland basins of Catalonia.
The Catalan Water Agency, as Basin Organization, has a Water Register comprises 3 sections (A, B, C) has a computer data structure and a book of entries (tokens enrollment). It officially enroll concessions waters, changes in ownership or changes to the characteristics of concessions, contracts of sale, the legalization of exploitation at a flow rate of 7,000 m3 / year and the uses of private waters (transitional provisions of the Water Act). Since the Water Register is public, and registration is the means of proof of the existence and location of the concession, anyone can apply for certification on the rights of registered water use to the Catalan Water Agency. Rights holders of registered water harvesting enjoy administrative protection.
The basis of hydrographic network 1: 50000 is a project carried out by joint order of the Ministry of the Environment (DMA) and the Catalan Water Agency (ACA). The aim of this project is to obtain digital databases and GIS network watershed of Catalonia for scales 1: 50000. The primary source of information for the elaboration of this theme was based hydrographic network base topographic 1: 50000 (BT-50M v3.0) was defined criteria and topographic database drainage basins, for what has become a task of densification and homogenization. It has kept the artificial network but has not been taken into account in generating basins, and in the case of natural drainage network has added sections connection guarantee continuity of it. This coverage corresponds to the selection of the 0 degree axis of the base network of rivers (xarxa50m), adding those areas corresponding to the selection made so that all points of Environmental Control (Inspection and Control), it is referenced on the same network. Only display areas corresponding to the basins of Catalonia.