Administration de la gestion de l'eau
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This layer contains the inspections and controls carried out by the SICOPOL service of the Water Management Administration.
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Status of the authorization demands.
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River basin specific pollutants are substances that enter the river basin or parts of it in significant quantities. The quantitative assessment is done with environmental quality standards that are fixed by the European Union member states. In Luxembourg, the substances and limit values (annual average) are fixed in the grand ducal regulation of 15 January 2016 (règlement grand-ducal du 15 janvier 2016 concernant l'évaluation des masses d'eau de surface). Evaluation takes place with 2 categories (good, moderate and worse). River basin specific pollutants are used together with the general physico-chemical parameters for evaluation of the ecological status.
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This layer contains the distances to hydrological monitoring stations for which authorisations must first be clarified with the Service Hydrologie (red) or for which the latter must at least be informed (orange and yellow).
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Enable an autonomous dynamic development of the river within clearly defined zones (ideally within a river corridor), leading to the formation of riverbed and riverbanks’ structures compliant with the river typology.
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Riverbanks improvement by permanent removal of heavy stabilization techniques or by their replacement with plant engineering solutions, in order to recreate near-natural riverbanks with typical vegetation and diversified structures, thus creating microhabitats for aquatic flora and fauna.
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The chemical status of the groundwater bodies is assessed as being good or failing to achieve good chemical status. The assessment of the chemical status for the third river basin management plan is based on the list of substances of directive 2008/105/EC as well as its environmental quality standards.
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The WFD's (2000/60/CE) quantitative status objectives aim to ensure a balance between groundwater withdrawal and recharge.
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The overall evaluation of the biological status per surface water body is based on the evaluation of the biological quality elements (BQE) : phytoplantcon, aquatic flora, macroinvertebrates an fish. In order to determine the overall evaluation of the biological status per surface water body the worst status assessed by the different biological quality elements ist retained („One out - all out“ principle).
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Restoration of the ecological continuity for fish, macroinvertebrates, sediments and terrestrial animals by culverts, through its permanent suppression, or through its adaptation in order to reach natural conditions of substrate, depth, flow rate, luminosity and riverbank structure.