Rivers in London’s parks are being polluted with sewage. The system designed to stop the problem can’t cope and is failing to protect them. We asked people to send a formal response to Thames Water’s draft Business Plan, calling for more action. More than 400 have done that and they will influence its final report to Ofwat, the water industry regulator. That will be published in the summer.

Between now and then the next phase of the Riversides campaign will start. We’ll be making the point that wastewater should be treated at a sewage works not pouring out of thousands of drains into London’s rivers.

There are 200 problem outfalls on the list that the Environment Agency gave to Thames Water in 2015. These are to be tackled by 2020. That list was full right at the start of the five year plan in 2015. With the system underfunded it means there are an additional 332 dirty drains on the waiting list. It’s not clear when these will be dealt with. There are countless drains yet to be detected.

Sewage pollution in the Wealdstone Brook in Woodcock Park, Brent

Part of the Wealdstone Brook in Woodcock Park, Brent

The authorities charged protecting our rivers need to recognise that the system is over-capacity. A problem that should have ended in Victorian times is plaguing London in the 21st Century.

Thousands of homes have connected washing machines, showers and toilets to drainpipes. This turns rivers in London into sewers. It should just be rainwater that goes down drainpipes.

We’re putting our health at risk too. London Waterkeeper has taken water samples in public parks and found worrying levels of e-coli bacteria. This shows sewage is in rivers that anyone could come into contact with.

The Moselle River in Haringey suffers from sewage pollution, like many in London

The Moselle River in Lordship Recreation Ground. It’s polluted by sewage from homes in Muswell Hill, Wood Green and Hornsey

The truth is the efforts being made to protect our rivers are inadequate. We need the Environment Agency and water regulator Ofwat to fully recognise the scale of the contamination. Thames Water must be allowed to dedicate more resources to finding homes that have polluting pipes.

What can be done to protect our rivers?

Thames Water’s plan for 2020 – 2025 hasn’t been settled yet. Sadly it proposes a threefold increase in resources to tackle misconnections. That’s not enough. Last year the Zoological Society of London published a report based on first-hand research. Thames Water and the Environment Agency supported the project. Volunteers walked along rivers to locate polluting outfalls and determine the extent of the problem. Based on that research ZSL says there are more than 1,000 outfalls that are damaging rivers now. Trebling the number of drains that are cleaned up to 600 over 5 years isn’t enough. ZSL says there should be a fivefold increase in the number of outfalls that are rectified.

More than 400 people told Thames Water, the Environment Agency and Ofwat that we want to see the problem tackled in a meaningful way with a FIVEFOLD increase.

If this doesn’t happen we won’t see the healthy rivers we want. Currently too many drains don’t remain sewage-free for long enough. New sources of pollution occur faster than old ones can be found and stopped. The national misconnections information campaign has a very low profile, not reaching enough people.

Even though drains are cleaned up they can pollute rivers in London again within months

This drain was polluting the Wealdstone Brook again just over a year after it was declared clean

Our rivers are caught in a vicious circle which sees them perpetually contaminated by effluent. The Wealdstone Brook was declared clean in March 2015. But 14 months later it was polluted again, stinking and coated with sewage fungus.

 

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