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Spain Proposes Major Cuts to Tajo-Segura Water Transfers by 2027

The Ministry for Ecological Transition unveils draft rules reducing irrigation deliveries by 50%, sparking regional tensions and legal challenges.

Aspecto del embalse de Entrepeñas, que abastece el trasvase Tajo-Segura, este mes al 85% de su capacidad
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Overview

  • The draft decree proposes halving irrigation water transfers from the Tajo-Segura system by 2027, reducing annual volumes from 320 hm³ to 193 hm³.
  • New rules raise the Level 1 threshold for reservoir reserves from 1,300 hm³ to 1,600 hm³, significantly limiting maximum transfer quotas across all levels.
  • An unprecedented 180 hm³ transfer for April–June 2025 has been approved under current rules, marking the largest shipment in decades.
  • Regional reactions are divided: Murcia and Valencia oppose the cuts as a threat to agriculture, while Castilla-La Mancha supports them as ecological progress.
  • The draft rules are pending public consultation and legal review, with ongoing Supreme Court cases adding uncertainty to the final outcome.