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20 March 2018 Photo Pexels
Water footprint important but misunderstood indicator
Water footprinting is the future of water conservation
The Water Footprint (WF) of a product, process or person provides an indication of how much fresh water is used, both direct and indirect, to produce a product, drive the process or lead a lifestyle. Although it is a very important indicator it is often misunderstood. Popular media contribute to this misunderstanding as they often use the WF to illustrate the large quantities of water used to produce a product without explaining what the footprint actually means.  

An example is a single kilogram of beef that has an average global WF 15 415 litres. This indeed sounds scary, but when one places it in context, the total WF includes 14 414 litres green water, 550 litres blue water and 451 litres grey water. Green water is the evapotranspiration of precipitation (rain), blue water is the fresh water from dams, rivers and underground sources, while grey water is the amount of fresh water required to dilute polluted water to acceptable levels.

According to Frikkie Maré, a lecturer at the Department of Agricultural Economics at the University of the Free State (UFS), the WF concept provides a new look at water conservation and sustainability. “Although the WF is not an indicator of sustainable water use, it is a useful tool to calculate total water demand and is used in the estimation of sustainability. Traditionally, water conservation was focused on the direct water use of individuals (time taken to shower, leaking taps etc.), but the WF now provides a tool to focus attention on total water demand.”

The Water Footprint Network assists individuals with this new trajectory on the water conservation front with the personal water footprint calculator that allows individuals globally to determine their personal water demand through their direct and indirect water usage. Maré believes this can cause the necessary paradigm shift in the aqua status quo by creating awareness among consumers on their total water demand.

With Water Week underway from 17-23 March 2018, UFS students and staff members are urged to make use of the personal water footprint calculator in order to become aware of the real importance of fresh water in our everyday lives.

News Archive

New SADC Groundwater Management Institute will strengthen UFS footprint in Africa
2015-07-30

Prof Danie Vermeulen
Photo: Anja Aucamp

The new SADC Groundwater Management Institute (SADC GMI) will be fully operational in 2016, says Prof Danie Vermeulen, Head of the Institute for Groundwater Studies (IGS) at the University of the Free State.

The SADC GMI will have its offices in the IGS building on the Bloemfontein Campus. The UFS will be responsible for the financial side of the operation. The IGS, SADC member states, and the World Bank are co-operating on this project, which will build sustainable groundwater management across regional borders.  Universities in the region tendered for the project, but the proposal by the IGS towered above the rest, Prof Vermeulen says.

The SADC GMI will strengthen the capacity of institutions to establish sustainable groundwater management. It will promote the management and development of groundwater infrastructures, and advance knowledge about national and trans-boundary groundwater. With the establishment of the new institute, research will be conducted, knowledge shared, and capacity built.

Prof Vermeulen says research has shown that groundwater is a primary source of water for more than 70% of the 250 million people in the drought-prone SADC region. The rapid expansion of commercial farming and industry is putting great pressure on water resources; 67% of all water is used in agriculture.

The new institute is an important instrument for the UFS to strengthen its footprint in Africa.  “The SADC GMI is about distributing knowledge across the SADC region. It is important for the UFS to extend into Africa. The official collaboration between the UFS, the World Bank, and the SADC countries enables us to reach the goal,” Prof Vermeulen says.

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