Cadagua: Leader in wastewater treatment facilities

What We Do

We’re Experts in the Design, Construction, and Operation of Water Treatment Plants

Sustainability, the environment, and social welfare guide our work

Newsroom

Latest News

See all

Ferrovial completes sale of its Environmental Services business in Spain and Portugal to PreZero

Press releases

Cadagua was awarded with the operations and maintenance of Terrassa WWTP

Local news

Cadagua completes the construction of the biogas treatment plant at the LA GOLONDRINA WWTP

Local news

Cadagua awarded construction of the Puerto Real treatment plant (Cádiz)”

Local news

Cadagua delivers the construction and commissioning project for the Rouen WWTP (France)

News

Activities

Learn About Our Areas of Expertise

Wastewater Treatment

Innovation, circular economy and minimization of impacts are the drivers of our design.

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Water Treatment

The most advanced technologies guarantee the most demanding challenges in our DWTP.

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Water Desalination

Our SWRO guarantee water supply with the minimum impact and energy consumption.

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Industrial Water

Leaders in industrial effluent treatment via anaerobic low carbon footprint technology.

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Thermal Drying

Leaders in installed capacity, both number of plants built and operated.

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Our Commitment to Sustainability

Learn about our commitments

Sustainability

We Add Value to Society

Corporate

Sustainable Development Goals

Emerging Pollutants

Social Infrastructures

Find out more about our Corporate Social Responsibility program

Key Figures in Construction From 2020

Access our Integrated Annual Report

€5.86B
Revenues
€10.12B
Order Book
€293M
Operating Cash Flow
17499
Employees

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Construction

Other business

What We Do

We’re Experts in the Design, Construction, and Operation of Water Treatment Plants

Newsroom

Latest News

Ferrovial completes sale of its Environmental Services business in Spain and Portugal to PreZero

Cadagua was awarded with the operations and maintenance of Terrassa WWTP

Cadagua completes the construction of the biogas treatment plant at the LA GOLONDRINA WWTP

Cadagua awarded construction of the Puerto Real treatment plant (Cádiz)”

Cadagua delivers the construction and commissioning project for the Rouen WWTP (France)

Activities

Learn About Our Areas of Expertise

Wastewater Treatment

Water Treatment

Water Desalination

Industrial Water

Thermal Drying

Our Commitment to Sustainability

Sustainability

We Add Value to Society

Sustainable Development Goals

Emerging Pollutants

Social Infrastructures