Data batch direct download service (WFS): Catchment area intended for the AEP and protection areas of these areas of the Alpes de Haute-Provence
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Provided by BUREAU DE RECHERCHES GÉOLOGIQUES ET MINIÈRES
Get early access to Data batch direct download service (WFS): Catchment area intended for the AEP and protection areas of these areas of the Alpes de Haute-Provence API!
Geographical areas delimited by the public authorities to ensure the protection of abstractions (whether or not land) intended for the supply of drinking water to the population. In response to the requirements of the Water Framework Directive, the Water and Aquatic Environments Act of 30/12/06 strengthened the control mechanisms for diffuse pollution of agricultural origin by creating protection zones for catchment feeding areas. The implementation of this new resource protection system leads to the delineation of catchment foraging areas (AAFCs, sometimes also referred to as catchment feeding basins or LACs) that include AAFC protection areas. For surface water abstraction, the AAFC is the sub-watershed located upstream of the intake. For groundwater, a common national AAFC delineation methodology has been proposed. At the right of the methodological guide produced, the supply basin of an underground catchment is defined as the location of the points on the surface of the soil that contribute to the feeding of the catchment. Some catchment foraging areas are identified as priorities within the Water Management and Management Master Plans (WMPs) and measurement programs. A AAFC is thus defined, after a technical study, as the area from which the water supplies a close catchment or several catchments.
The AAFC Protected Area is the result of the intersection of mapping zoning of intrinsic vulnerability and zoning of agricultural pressures. In the case of surface water abstractions, the definition of a protection zone within the watershed upstream of the intakes is based on the identification of flows (slide, drainage, ditches, alluvial and river exchanges) and the identification, by territorial diagnosis, of agricultural pressures and areas likely to play the most important role in the degradation of the water resource. An AAFC Protection Area is thus defined by regulation, for an AAFC that includes one or more catchments, as a perimeter of actions to protect the drinking water resource from identified environmental issues.
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