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

His Majesty King Felipe VI inaugurates “Creation in Motion. Ferrovial in the eyes of José Manuel Ballester” exhibition

Press releases

Cadagua awarded a new operation and maintenance service in Asturias

Local news

Cadagua starts up the first ANAMMOX® reactor in Spain at the Rubí WWTP

Local news

Signed contract for the construction of the Active Carbon Powder Dosing Facility at the WWTP in Venta Alta

Local news

Cadagua renews its O&M contract at the Heineken WWTP in Jaén

Local 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 2021

Access our Integrated Annual Report

€6.1B
Revenues
€12.2B
Order Book
€518M
Operating Cash Flow
17134
Employees

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What We Do

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

Newsroom

Latest News

His Majesty King Felipe VI inaugurates “Creation in Motion. Ferrovial in the eyes of José Manuel Ballester” exhibition

Cadagua awarded a new operation and maintenance service in Asturias

Cadagua starts up the first ANAMMOX® reactor in Spain at the Rubí WWTP

Signed contract for the construction of the Active Carbon Powder Dosing Facility at the WWTP in Venta Alta

Cadagua renews its O&M contract at the Heineken WWTP in Jaén

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