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Posted September 3, 2025 at 9:45 am
Earth may be called the ‘blue planet’, but we have a chronic shortage of water. Global water demand is forecast to exceed supply by 40% at the end of this decade (per the World Economic Forum). Beyond growing populations and income levels, AI is often cited as a culprit. Earlier this year we heard how each LLM request uses a quarter of a litre of water in data centre cooling. New research, however, creates a metaphorical splash.
Data centres are not intensive water users is the conclusion from a recent study conducted by the UK Environmental Agency in conjunction with techUK. It found that nearly two-thirds of commercial data centre sites in England consume less than 10,000 cubic metres of water per year. This amount is described as “lower than a typical leisure centre” and similar to the water requirements of a Premier League football club.
Encouraging news then, even if some sceptics have highlighted that the analysis may not capture the full lifecycle of water use, including indirect impacts from energy generation. Step back and the more significant dynamic remains the structural imbalance between water demand and supply.
Luckily, businesses that operate within the water sector are stepping up to the challenge. We met recently with Xylem, a leading player. Chief Executive Matthew Pine laid out his vision for how Xylem has the aspiration to be “the best industrial AI company in the world.” Even if ambitious, the company has developed many pioneering approaches that seek to manage water supply more efficiently. Through a combination of hardware and software solutions, Xylem is already working to provide cooling systems for data centres and microprocessor manufacturers as well as leveraging (AI) technology across its portfolio. More ideas such as these need to keep flowing across the water sector.
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Originally Posted on September 3, 2025 – Less water than a leisure centre
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