Tagus-Segura Water Transfer
The transfer system's course.
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| Official name | Trasvase Tajo-Segura |
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| Begins | Province of Guadalajara, Spain |
| Ends | Province of Albacete |
| Maintained by | Government of Spain |
| Length | 286 km (178 mi) |
| Construction began | 1969 |
| Opening date | 1979 |
The Tagus-Segura Water Transfer (Spanish: Trasvase Tajo-Segura) is one of the largest works of hydraulic engineering ever produced in Spain. Water from the Tagus River is channeled through this transfer system from the reservoirs of Entrepeñas (Province of Guadalajara) and Buendía (Province of Cuenca) into the Talave Reservoir on the Segura River.
Although it was mentioned as early as 1902, the origin of the transfer system dates back to 1932, when the Minister of Public Works Indalecio Prieto entrusted engineer Manuel Lorenzo Pardo with the formulation of a plan for the management of national water resources. A year later, he presented the Plan Nacional de Obras Hidráulicas (National Plan of Hydraulic Works), which included the Tagus-Segura Water Transfer; however, for various reasons, the plan was never realized.
The transfer system project was resumed through the Ministerial Order of July 30, 1966, which commissioned the drafting of the Anteproyecto General del Aprovechamiento Conjunto de los Recursos Hidráulicos del Centro y Sureste de España, Complejo Tajo-Segura (General Proposal for the Joint Management of Hydraulic Resources in Central and Southeastern Spain, Tagus-Segura System). The construction of the Tagus-Segura Water Transfer formed an integral part of this proposal. In 1979, the Segura Basin received the first waters originating from the Tagus River.
The Tagus-Segura Water Transfer links the Bolarque Reservoir on the Tagus River with the Talave Reservoir on the Segura. It is 292 kilometers (181 miles) in length and has a flow rate of 33 cubic meters per second (1,200 cubic feet per second). The transfer's structure comprises four sections:
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