The state of Britain’s increasingly polluted waterways hangs over our political discourse like a bad smell. But how and why did water quality go down the drain?
Polluted Waterways
First, let’s cover what pollution actually is and why it is such a big deal (if you have a weak stomach, I’d suggest skipping this paragraph). When pollutants such as plastics or untreated sewage enter our waterways, it encourages the growth of algae, which drains rivers of oxygen and kills aquatic life forms like fish. It also presents health hazards for humans. Faecal contamination can lead to potentially deadly bacteria such as E. coli, Salmonella and Campylobacter entering drinking and bathing water — a growing concern for Brits, given that incidents of serious water pollution were up 60 per cent last year. The Environment Agency states that chronic underinvestment in infrastructure is to blame. Yet many water companies routinely hand their bosses out multimillion-pound pay packages.
The Agency’s report named Thames Water and Southern Water (SW) as two of its main culprits. The evidence is damning. Last summer, SW made headlines when one of its water treatment facilities accidentally released millions of plastic pellets onto beaches across Camber, East Sussex. SW’s blunders are also a nightmare for local businesses in Whitstable, Kent, an area famed globally for its unique seafood. For example, firms like the Whitstable Oyster Company (WOC) rely on decent water quality to maintain the high standard of their produce. However, this isn’t a given. Over a decade ago, James Green, owner of the WOC, discovered on the eve of the annual Whitstable Oyster Festival that his shellfish contained traces of E. coli and therefore could not be served to guests. SW admitted that this was due to untreated sewage discharge on their part and was fined £500,000.
The trouble didn’t end there, though. Green used to sell his seafood to international buyers, but when Hong Kong officials discovered novovirus in the WOC’s oysters in 2020 and barred them from being sold in the region, he lost hundreds of thousands of pounds worth of business contracts. Now, he only sells to British-based customers and has to go the extra mile to oversee his oysters’ quality. However, he is pleased that SW’s chief executive, Lawrence Gosden, offered to subsidise the cost of his company’s safety checks.
Others are not so content with Gosden. Last November, he was placed under citizen’s arrest by a group of six environmental activists, who claimed that he was ‘responsible for the most serious category of sewage pollution into rivers and seas.’ The incident came shortly after other water bosses, including Mark Thurston of Anglian Water and Chris Weston of Thames Water, were subjected to similar publicity stunts, catapulting the state of our rivers back into the political limelight. Finally, the industry’s regulator, Ofwat, took note. Following months of accusations of leniency, Ofwat has penalised seven water companies found breaching wastewater rules in 2026. Thames Water were handed the largest fine in Ofwat’s history, a whopping £122.7m, whilst Welsh Water currently faces a £44.7m ‘enforcement package’ for failing to maintain its waterway assets to adequately cope with sewage.
Clearly, pressure is ramping up on water companies to change their ways. But why is there suddenly such a huge focus across the media on our water industry?
Outrage
It all started last year with the release of Robert Macfarlane’s novel, Is a River Alive? Described as an ‘impassioned plea to save our rivers,’ the book became an instant Number One Sunday Times bestseller and sparked a global debate about whether our waterways have a right to a pollution-free existence. Fast forward to 2026, and water quality is once again under the microscope. Channel 4’s factual drama Dirty Business made a huge splash (excuse the awful pun) when it first aired in February. The show helped to channel (apologies again) public outrage surrounding the UK’s water industry, highlighting the lengths that private firms go to in order to evade scrutiny. Essentially, the majority of the plot centres around two neighbours, retired cop Ashley Smith and mathematics whizz Peter Hammond, as they investigate suspicious brown sludge appearing in a nearby river and fight to hold the local water company accountable. Spoiler: their efforts are in vain.
But hope is not completely lost. The show purposefully ends on an ambiguous conclusion as a call to action. It forces the viewer to think, ‘What am I going to do about this? How could I change the way in which we treat our waterways?’ Dirty Business’ message clearly resonated with the British public. In early June, thousands of Brits took part in Paddle-Out Protests, organised by marine conservation charity Surfers Against Sewage (SAS), across 56 coastal and fluvial locations.
One of those protestors was Luke Jerram, an artist who erected a 98-foot (30m) inflatable sculpture of E. coli bacteria in Baltic Wharf, Bristol. The government has been forced to listen to the group’s concerns. Representatives of SAS met with Environment Secretary Emma Reynolds just one week later. Additionally, performance artist Zack Mennell has recently made a name for themself by wearing 24 nappies and wading into the Thames for their latest project, titled a sea change. Set amidst a backdrop of postindustrial Britain, the short film aimed to explore class and identity whilst simultaneously protesting against sewage spills in our waterways. This project came at a huge personal cost to Mennell, though, who contracted Weil’s disease because of rat urine in the river.
Artistic protest is all well and good, but definitive action must be taken to prevent pollution. Just how we go about that is something legislators and politicians like Andy Burnham have been debating over for months now.
Action
During the King’s Speech, Labour confirmed its intention to scrap Ofwat completely and replace it with a new, more efficient Water Ombudsman. The move has been met with a positive reception from campaign groups like SAS, who celebrate this ‘step forward’ but advise that the government go further:
‘[Private] water companies cannot be regulated to deliver for the public if their key function is to extract profit,’ says a spokesperson for SAS. ‘[Water] must be owned and managed for the public good.’
The case for renationalising the water industry has never been stronger. A privatised water system will always prioritise the pursuit of profit over caring for the environment or the well-being of consumers. And the nation’s water bills have been steadily rising. Each of England and Wales’ 22 private water companies are raising their annual water bills by an average of 5.4 per cent in 2026-27, having already hiked prices up by 26 per cent in 2025-26. And while pollution incidents are on the up, water is becoming costlier, meaning that customers are getting the short end of the stick. Some say that this is why the government should have ownership of our waterways.
Critics of renationalisation believe that the state can sometimes lack efficiency. But its supporters maintain that the private sector lacks accountability and only serves shareholders, not customers. Nationalisation is not a foolproof plan. However, it does mean that the public will have greater control over how our waterways are maintained.
Rather than being a pricy commodity, clean water must become a fundamental right. When it comes to highlighting the intrinsic value of our rivers, we ought to take inspiration from South America. In 2008, Ecuador became the first country in the world to legislate on behalf of water. Bolivia followed suit just one year later. By emphasising the rights of Pacha Mama (Mother Nature) in their constitutions, both nations sought to protect their citizens and their rivers simultaneously. Access to clean, safe water is now considered a necessity, while rivers and lakes have the legal right to ‘exist, persist, maintain and regenerate’ themselves without significant human intrusion. This attitude towards the natural world is often referred to as ‘Buen Vivir’ and means living well together, a term coined by the Quechua peoples of the Andes to describe the harmony between the land and the communities that inhabit it.
If you believe that the UK ought to adopt a similarly altruistic philosophy, you will be pleased to know that, albeit in rare instances, we already have. The River Ouse, Test and Wye have all been granted the right to exist free from pollution and must be supplied with formal representation within any decision-making processes that may affect their flow. In theory, this should protect our waterways. But, in practice, this performative piece of legislation is simply not enough. Until water firms are finally held accountable for their actions, pollution will continue to lay waste to our rivers.
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