The Confederación Hidrográfica del Júcar (CHJ) is the water authority of the Júcar river basin, within which is the hydrogeological unit of 08.24 Requena-Utiel. It is a public organisation attached to the Ministry for the Ecological Transition and the Demographic Challenge of the Government of Spain. The CHJ is in charge of all necessary activities regarding the planning, management, exploitation and protection of water resources, as well as construction and preservation of hydraulic structures. Therefore, the CHJ is responsible for the management of the aquifer study case in Spain.