- The Tajo-Segura water transfer is secure until June 2025, as per current regulations.
- A total of 81 hectometers of water will be transferred to Alicante, Murcia, and Almería.
- The decision is under existing exploitation rules, allowing 27 hectometers monthly.
- There is potential to reach Level 1 if reservoirs exceed 1,300 hm³ for larger transfers.
- Future update of regulations may see a reduction in water transfers.
Introduction
The Tajo-Segura water transfer has long been a critical infrastructure, providing much-needed resources to the arid regions of Alicante, Murcia, and Almería. As of the latest updates from the Central Exploitation Commission of the Tajo-Segura Aqueduct, this crucial water lifeline is set to operate seamlessly through the frist half of 2025. Though, upcoming changes in regulation might impact future transfers. This article explores the current status and future prospects of the Tajo-Segura water transfer.Current Water Transfer Status
the Tajo-Segura water transfer is currently set at 81 hectometers cubics (hm³) for the first quarter of 2025. This volume represents the maximum allowable transfer under Level 2 or normal hydrological conditions. Each month, 27 hm³ is distributed, with about 25% of the total designated for irrigation and urban supply within Alicante province. The assurances from the Central Exploitation Commission indicate that similar transfer levels are expected for April, May, and June, coinciding with the high-demand irrigation period in the spring.Historical Context and Reservoir Levels
The reservoirs at entrepeñas and Buendía, which supply the Tajo-Segura aqueduct, currently hold 1,102 hm³, thereby exceeding the thresholds required for such transfers. The levels are sustained by incoming Atlantic weather fronts, which are expected to provide additional hydrological resources. Historically, reservoir levels must remain above 1,300 hm³ to consider moving to Level 1, facilitating up to 60 hm³ transfers monthly—a situation rarely seen.
Future Regulation Adjustments
The current exploitation rules, pending any immediate abnormal conditions, fall under the purview of the Minister for ecological Transition and Demographic Challenge. A significant update to these guidelines, necessitated by the new hydrological planning cycle (2022-2027), is overdue. The new regulations could potentially alter transfer volumes, as Castilla-La Mancha advocates for a stricter supply-only policy during severe droughts, with irrigation needs possibly being met by desalinated water.
Challenges and Concerns
- Farmer’s Concerns: Farmers, who heavily rely on these transfers, are worried about potential reductions in water supply.
- Economic Impact: There are financial concerns, with water prices for desalinated water remaining significantly higher than transfer costs.
- Desalination Costs: Despite state subsidies, desalinated water’s cost-effectiveness remains a barrier, with production hovering around one euro per cubic metre.
Conclusion
While the Tajo-Segura water transfer continues to support essential irrigation and urban requirements in Southeast Spain, its future remains contingent upon regulatory updates and regional hydrological developments. Stakeholders, including farmers and regional authorities, are keenly watching the unfolding scenario, knowing that any changes could have profound implications for their water security and agricultural productivity.
For more detailed data on the subject, refer to the original article on Informacion.

