Location of wastewater treatment plants

Large-scale location, in the form of a layer of points, of treatment plants (steps) and other wastewater treatment plants, with their main information. This layer concerns the entire department of Loir-et-Cher. The points are located on the centroids of the polygons of the perimeter layer of STEPs. Layer of points obtained automatically from the X, Y centroid of the step41_poly layer, itself obtained by photo-interpretation of the BD ORTHO IGN from the base of the step of the Departmental Service of Water Quality of the General Council of Loir-et-Cher, mainly. The data is available in Shape format (ESRI) in RGF93 Lambert 93.