The purpose of this action is to provide the populations that pour into the Yellow River with the sanitation and purification infrastructure necessary to comply with the Community requirements laid down in the existing European legislation on water protection D91/271/EEC and D/2006/7/EEC. It is intended to improve the environmental quality of the waters of the Yellow River, afruente del Cigüela and to promote the improvement of the quality of the waters that reach the National Park of the Tables of Daimiel (located downstream), as well as the recovery of the waterfall of the Western Mancha. It will be carried out through the construction of a storm pond and the extension of the sewage treatment plant, as well as the construction of a new sanitation emissary from the urban core of Madridejos to the new treatment plant.