Water Scarcity - 9th December 2025

Here are the climate-related sections of speeches by MPs during the Commons debate Water Scarcity.

Full text: https://hansard.parliament.uk/Commons/2025-12-09/debates/39E79F6D-FED7-4CE2-8928-8CE379AD1572/WaterScarcity

John Milne (Liberal Democrat)

By 2050, the UK population is forecast to rise by 10 million. Further demand from data centres, renewable energy infrastructure and new industry is also rising quickly, but is yet to be factored in to demand. The National Infrastructure Commission projects a national supply-demand deficit approaching 5 billion litres a day by 2050 unless action is taken. That is a gap equivalent to the daily water use of more than 30 million people, and that does not even include commercial demands, such as farming, manufacturing, horticulture or business activity.

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14:35 John Milne (Liberal Democrat)

We should bring water resource management plans, drainage strategies and price reviews into a single co-ordinated process. We should launch a national water literacy campaign to put water efficiency on the same footing as net zero, and we should give one agency clear responsibility for delivering long-term water resilience, ensuring that all future demands are met. If we get this right, the benefits are enormous: a resilient rural economy that can grow and innovate; ecosystems that are healthier, more diverse and no longer pushed to collapse by over-abstraction; chalk streams that remain a part of our national heritage; secure food production; reliable water for homes, industry, data and energy; and a housing sector that can actually deliver the homes we need.

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14:45 Alison Bennett (Liberal Democrat)

While we accept that climate change is affecting rainfall, and recognise that house building places additional pressure on supply, none of that excuses the simple truth: South East Water has failed to invest properly in its network, failed to maintain its pipes, and failed to plan to ensure resilience. We have also not seen a major new reservoir in England since 1991. In Mid Sussex, we are now seeing the consequences of that neglect. Ardingly reservoir is at 44% capacity—this time last year, it was full. We have had a hosepipe ban imposed since the summer, businesses have been restricted under a drought order and South East Water is now racing to design a 13-kilometre pipeline to move up to 30 million litres of water a day from Weir Wood reservoir, just to keep Haywards Heath and surrounding villages supplied next spring and summer. That is not resilience; they are chasing their tails. The pipeline proposal raises serious questions. Its route would cross private land, roads, railway lines and environmentally sensitive areas, including Ashdown Forest. Local people deserve clarity, they deserve transparency and they deserve independently verified information, not only on the feasibility of the pipeline, but on every contingency plan the company claims to be developing.

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14:45 Steff Aquarone (Liberal Democrat)

Water scarcity is a big issue for the farming community, which is large in North Norfolk. Farmers I speak to tell me of the significant challenges they face with water abstraction, and how it is impacting our food production and, importantly, our food security. As with greater flooding, the root cause of greater water scarcity is the climate emergency.

Climate change is making our rivers and watercourses more unpredictable, leading to changes in the patterns that have served farmers well for decades. As a result, many farmers want to build small on-farm reservoirs to give them greater surety of access to water, which would also ensure that our rivers do not become over-abstracted. However, for many farmers, that is incredibly difficult to do. Permitted development rights in this regard are outdated and unhelpful; they need to be urgently reviewed to assess how we can make it easier and simpler for farmers to secure access to water.

As a rural and a coastal MP, much of my community is built around water: our precious coastline, the chalk streams running through our villages and the beautiful broads that attract so many visitors to Norfolk. Climate change now threatens to turn that water from an asset into a struggle. I hope the Government recognise the severity of the issue we face and take the necessary steps to protect my community in the years to come.

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15:11 Lisa Smart (Liberal Democrat)

Marple is one of the best examples of industrial waterways in the UK. Our canal heritage makes it one of a kind, and it is our own local slice of great British history. I am a proud and long-standing trustee of the Stockport Canal Boat Trust for disabled people and their carers—I refer all colleagues to my entry in the Register of Members’ Financial Interests. Not only are our waterways of cultural and historical significance to our communities, but they provide crucial habitats for wildlife and serve as a natural green corridor. Our canals are vital to our nature and our wellbeing, and they contribute hugely to combating climate change. They are vital for water management, and we should do everything we can to protect and preserve them for future generations.

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15:25 Jim Shannon (DUP)

In 2024, Northern Ireland Water published a new water resource plan, extending its long-term planning horizon from 25 years to 50 years, so it has in place a structure to look forward at what will happen in Northern Ireland. Our population has increased by, I think, more than 200,000 in the last 10 years. The increase has been quite significant. There have been large developments. My constituency of Strangford has experienced that. There is a development coming through in the east of the town. There will be 750 new houses, and that will add stress on the infrastructure, including the water system and all the roads. But we have to address population growth, housing demand, water usage and climate change. The plan recognises that future weather patterns are likely to include more frequent extreme events, and pledges to build resilience so that the water supply remains secure.

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15:26 Danny Chambers (Liberal Democrat)

This is the first time I have intervened on the hon. Member—it is normally the other way round. He mentioned climate change, and I was alarmed to read that last year Hampshire and Isle of Wight Fire and Rescue Service attended 197 outdoor fires and wildfires, which was one of the highest numbers in the whole of the UK. We are seeing water scarcity and abstraction from rivers against the backdrop of having had the 20-odd hottest years on the planet—year after year after year. It has to be acknowledged that that is affecting water scarcity as well.

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15:27 Jim Shannon (DUP)

The hon. Member highlights another issue in relation to climate change and the dry spells that we are having, which lead, ultimately, to the fires that take place, whether deliberately or by accident.

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15:32 Anna Dixon (Labour)

The hon. Gentleman—sorry. As he said, Yorkshire has also experienced water shortages. From July this year, we have had a hosepipe ban and reservoirs remain at critically low levels, given what we should expect this season. It was at about 31% of capacity in September. Does the hon. Gentleman agree that Yorkshire Water, like some of the others he mentioned, has failed to invest in the necessary infrastructure to deal with the impact of climate change, as well as rising demand?

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15:33 Tim Farron (Liberal Democrat)

The main drivers of this impending crisis are clear: climate change; population growth; increased housing demand; business expansion; the demands, which have been mentioned, for huge additional energy and water usage given the growth in AI; pressures on the natural environment; and the growing need to prepare for drought. Those drivers are compounded by historical underinvestment in infrastructure and insufficient demand management.

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Robbie Moore (Conservative)

The Environment Agency estimates that, driven by population growth and climate change, there will be a shortfall of nearly 5 billion litres of water a day in this country by 2055—the equivalent of a third of current public consumption. Water scarcity is of course important when we consider drinking water, but there are also dangerous knock-on effects for the environment and for food production, as has rightly been said. Over-abstraction of stretched water sources is having a huge impact on vital habitats such as chalk streams; this year alone, record-breaking droughts have cost arable farmers approximately £800 million in lost production. This was the second-worst harvest on record, and our horticultural industry has been severely impacted.

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15:52 Emma Hardy (Labour)

Water scarcity is a huge and pressing issue, and it is particularly brought to mind by the climate change that we can see happening in front of us. As has been mentioned, we have just had one of the driest spring and summers, and I have been involved throughout the year in the national drought group that brings together the Environment Agency and all stakeholders to look at the issue of drought across the country. Next year will be a special anniversary of the situation 50 years ago, in 1976, and I am mindful not to be in a similar situation as a Minister. What we do around water and how we deal with problems of scarcity are therefore very much at the forefront of my mind.

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