Thames Water Hosepipe Ban Hits 23 Million as Water Shortage Threatens UK's AI Datacentre Plans

Thames Water has joined a hosepipe ban affecting 23 million people across England and Wales following prolonged dry weather.

Twenty-three million people across England and Wales are now subject to water-saving restrictions as Thames Water joins an expanding hosepipe ban triggered by prolonged dry weather. The restrictions affect residents across southern England and parts of Wales, with eight areas officially designated as experiencing drought conditions or approaching that threshold. The bans prohibit household use of hosepipes for activities such as watering gardens, washing cars, and filling paddling pools. Residents in affected areas must instead use watering cans or buckets for garden irrigation. Violations of hosepipe bans can carry fines under water company enforcement powers. The dry spell follows a period of hot summer weather across the UK that has depleted reservoir levels and groundwater stores. Water companies have cited the sustained lack of rainfall as the driving factor behind the restrictions, with conditions in eight regions reaching the threshold that prompts official drought measures. The water shortage has broader implications beyond domestic use: a UK industry trade body has warned that the government's plans for datacentre and AI expansion are 'fatally flawed' because the country does not have sufficient water to meet the cooling demands of large-scale datacentre infrastructure. Separately, Thames Water is facing a deepening financial crisis. Investors have reportedly offered the government a 'golden share' arrangement — which would give ministers veto power over major decisions and hostile takeovers — in an attempt to head off nationalisation. Meanwhile, creditors are seeking direct talks with the government as reports suggest the Prime Minister may consider placing the company into temporary public ownership. A legal battle is said to be among the contingencies being prepared for.

Why it matters

With 23 million people affected, this is one of the most widespread hosepipe ban events in recent UK history, putting pressure on households, gardeners, and small businesses during summer. Drought designation can also trigger further restrictions and signals stress on water infrastructure serving major population centres including London.

What's next

Whether drought conditions officially deepen or expand to additional regions will depend on rainfall levels in the coming weeks.

Key facts

• Approximately 23 million people across England and Wales are affected by water-saving restrictions
• Eight areas have been identified as having 'prolonged dry weather' meeting drought criteria
• Thames Water, which serves much of London and the surrounding region, has joined the hosepipe ban
• Hosepipe bans prohibit garden watering, car washing, and filling paddling pools with a hose
• Residents in banned areas must use watering cans or buckets for garden irrigation
• Southern England and parts of Wales are the primary affected regions

Bias & framing notes

Both sources are from The Guardian, so there is no independent corroboration from a separate outlet. The first article focuses on the scale and official drought-status framing, while the second takes a consumer-advice angle, explaining what residents can and cannot do. Neither source provides meaningful comment from water companies defending or explaining the decisions in detail, and no opposing perspective or criticism of the bans is surfaced.

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