tenerife new reservoirs water storage

Tenerife to build six new reservoirs to boost water storage

Six new reservoirs planned for Tenerife

The Tenerife Island Water Council (Ciatf) is driving forward the construction of six new reservoirs, distributed evenly across the north and south of the island. The aim is to boost storage capacity for reclaimed water, improve supply to the agricultural sector, and make progress in eliminating discharges into the sea.

Which reservoirs are being built and where

The reservoirs include Las Charquetas in Guía de Isora; those in Arico and Güímar; Las Llanadas in Los Realejos; Pasada del Santo in Santa Úrsula; and Los Corraletes in Tacoronte. The projects are currently at various stages of development, ranging from execution and drafting to technical studies or the search for funding.

Details revealed at international conference

These initiatives were outlined during the International Congress on Reservoirs and Discharges (BalVert), a specialised gathering that brought together industry professionals. The event was chaired by Blanca Pérez, the island’s Minister for Natural Environment, Sustainability, Safety and Emergencies. In her address, she stated that the primary goal of the Cabildo (island government) is to close the full water cycle and progressively eliminate discharges into the sea.

Urgent challenge for the island

Pérez emphasised that Tenerife faces an urgent challenge when it comes to storing reclaimed water, particularly during periods of lower agricultural demand. She explained that the new infrastructure will make it possible to capture and conserve resources that currently end up in the ocean, leading to more efficient use of available water.

Las Charquetas: the most advanced project

Among the most advanced schemes is the Las Charquetas reservoir, which is expected to come into operation this year. The project involves an investment of €8.5 million and will provide storage capacity of 253,000 cubic metres. This water will be used for agricultural irrigation, drawing on supplies from the island’s new western water treatment plant.

Arico and Güímar: next in line

Also notable is the planned Arico reservoir, which will have a capacity of over 137,000 cubic metres and an estimated investment requirement of €15.2 million. Its final construction is pending the signing of an agreement with Acuaes (the state water company). Meanwhile, the Güímar reservoir is still in the design phase and will store treated water from the Valle de Güímar district treatment plant, which has been in operation since March 2025.

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