River Wandle Pollution

Leigh Ingham Excerpts

Wednesday 5th March 2025 Westminster Hall

[Bobby Dean (Carshalton and Wallington) (LD)]

I beg to move,

That this House has considered pollution in the River Wandle.

It is a pleasure to serve under your chairmanship, Dr Murrison. I thank the Minister for the reply to my letter of 20 February, received today, and I hope she will shortly be able to provide further clarity in her reply to the debate.

The prompt for the debate is the latest environmental disaster on the Wandle, where 4,000 litres of diesel were spilled by a bus garage in Thornton Heath into the sewage network, and eventually into the River Wandle. As I will go on to explain, the incident was not a one-off but an example of the sort of threat that the River Wandle faces every day. Before I do that, I would like to set out my relationship with the River Wandle. I live right beside the river and, although I have not spent my life as an environmental campaigner, like many people in my area I have formed a bond with the river by walking my dog alongside it every day.

About a year and a half ago, I got together with a group of local filmmakers to make a documentary about the history of the Wandle, the threats it has faced and the community work around it. During the making of that film, my love for the river crystalised and ended up feeling quite protective. I found out about its special status as a chalk stream. There are around 200 chalk streams in the world, famous for their crystal clear water and clean gravel. The River Wandle is globally unique because around 1 million people live in the catchment of the river, which is mostly publicly accessible all the way, running through south London to the Thames. It is probably the only urban chalk stream of its kind in the world.

The Wandle is famous for its industry. The fast-flowing water made it attractive to mills and over time much of the river was straightened to serve those mills. The textile industry was particularly attracted to this river; William Morris was inspired by it. It was said to be one of the hardest-worked rivers in the world. I am told that the historical significance stretches way back. It was used by the Romans and was the location for the statute of Merton, one of the earliest statutes in English history, passed on the banks of the River Wandle at Merton priory in 1235.

After the mills declined, their legacy remained, with the canal-like structure that built up to them. Eventually the river became better known for carrying waste, until the 1970s when it was officially declared a sewer. That was a turning point for the river, with lots of grassroots activism inspired by that moment. We had anglers, other fishermen, the Wandle Trust, which became the South East Rivers Trust, and Wandle Valley Forum, as well as smaller groups such as Friends of Poulter Park.

[Leigh Ingham (Stafford) (Lab)]

The River Wandle, which sounds beautiful, does not run through my constituency, but the River Sow does. It was polluted by sewage 59 times in 2023, lasting a total of 816 hours. Does the hon. Member agree that the findings of the Independent Water Commission, established by this Government, will be crucial in finding a solution?