1. Ferrovial
  2. Sustainability
  3. Environment

Water Footprint

Since 2015, we have been carrying out a project to develop a water policy and set the methodology for calculating and reporting water consumption and associated effluents. By doing so, we analyze the risks and opportunities related to water to frame our Water Footprint.

We have established a water policy and methodology to calculate the Water Footprint that covers all companies with operational control in our group. This water methodology is specific to us and has been developed based on the principles of The Water Footprint Assessment Manual (WFM), the Global Water Tool (GWT) and GRI-G4. These indices consider aspects such as the water stress of the country, impact on water resources, impact on vegetation management, quality and accessibility to water. Through this initiative, the impact on this limited resource is quantified.

Water Policy

We consider water a finite and irreplaceable natural resource, directly linked to global change and an underpinning and essential element of the circular economy.

In our role as both a consumer and supplier of water-related services, we promote the following principles to all our stakeholders.

Principles

  • Compliance with water legislation and regulations in force, with the specifications of the international standards of reference, and those set in-house by our organization, executing water management so as to attain the highest quality standards.
  • Support for the development of regulatory frameworks focusing on efficient and sustainable water use.
  • Responsible and efficient management of the resource, covering the whole of its integral cycle, facilitating social development and the conservation of ecosystems.
  • The search for solutions to the rising demand for drinkable water and deterioration of water quality due to pollution.
  • Setting indicators and goals to: monitor procedures and strategies, enable ongoing measurement and assessment of the degree of efficiency of the integral water cycle, guarantee its responsible use in our company’s direct operations, and optimize the resulting balance in the group’s water footprint.
  • Support for the development and employment of new technologies that enable a more efficient use of water as a resource.
  • Inclusion of water usage and management in our company’s risk management strategy.
  • Publication of the results of our company’s integral water management.
  • Company engagement to enable access to clean water and sanitation for the population in developing countries.

Methodology

The Ferrovial Water Footprint is composed of three indices:

  • Business Water Index (BWI), related to the consumption of water and its discharge carried out in activities developed by us.
  • Water Treatment Index (WTI), related to the impact of the water treatment activity on resources (WWTP, Wastewater Treatment Plant, iWWT, Industrial Wastewater Treatment Plant, PWTP, Potable Water Treatment Plant, and SWDF, Seawater Desalination Facilities).
  • Water Access Index (WAI), related to water supply projects within the Social Action Program

Sustainability indexes

Our Value in 2018

  • 5.667.233

    BWI

  • 233.355,746

    WTI

  • 466.120

    WAI

In 2016, we published for the first time data from Water Footprint with a 100% scope. In the same year, our company presented itself for the first time to the Water category of the CDP index.

Water consumptionUnit FY 2015 FY 2016 FY 2017
A. Total supply from network million cubic meters4.1393.9503.688
B. Fresh surface water (lakes, rivers, etc.) million cubic meters7.5650.2010.776
C. Fresh ground water million cubic meters0.1170.1300.241
D. Water returned to the source of extraction 
(only applies to B and C)
million cubic meters0.7260.8460.894
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