Forum topic: Arnos Park river restoration project
Arnos Park river restoration project
07 Jun 2025 08:18 #7381- Wendy Berry
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Arnos Park river restoration project
11 Jun 2025 16:38 #7384- Wendy Berry
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This is clearly an extremely divisive issue, but the views of park users must be fully and fairly considered, before any final decisions are made. It would not be appropriate, in my view, for those who do not even use the park, to have their views given priority over regular park users.
I must make a final comment about the way that the Friends' organisations are bring treated. I am not a member of any of these groups, but I have the hugest respect for those who give up their time, money and energy to keep our parks as beautiful as many currently are (especially Arnos Park). Apparently LBE has suddenly withdrawn insurance cover for park volunteers, and the Friends groups must now organise, and pay for, this, themselves. This will hardly encourage this excellent group of people to carry out the additional maintenance tasks which will most certainly be required to maintain something as significant as a completely new river in Arnos Park (with all it's surrounding vegetation).
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Arnos Park river restoration project
11 Jun 2025 22:44 #7385- PGC Webmaster
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www.change.org/p/support-for-the-river-restoration-project-in-arnos-park

The person who started the petition, Sarah Brooks, is a member of the Pymmes BrookERS , a group of volunteers who work to improve the water quality and appearance of the brook.
See below for the full text of the petition.
The Issue
We are lucky enough to live locally to Arnos Park and enjoy the serenity and peace the park offers, we want to see this park thrive and that’s why we are in support of the river restoration project.
The project promises to return the river - Pymmes Brook to a natural flow, meandering through the middle of Arnos Park, taking the river out of its concrete walls where the river sits ecologically dead and instead enhancing biodiversity, preventing local flooding and creating new walking routes to enjoy.
A natural river is about 30% fast-moving riffles and 70% slower-moving, deeper pools – something Feargal Sharkey told us when he walked the Pymmes Brook back in 2018. The natural faster flow of river will encourage invertebrate life, crucial to the food chain, supplying food for birds and aquatic life, but they can’t survive in dank, concrete-clad, slow-moving water where sediments are constantly being deposited.
Proposed wetland areas will improve the river even more, as the plants filter out pollutants completely naturally. Wetlands also hold on to volumes of water in heavy rain, which helps to reduce flooding both locally and, vitally, downstream in Edmonton where there is a flood risk to people’s homes.
We believe that any scheme delivered by Enfield’s watercourses team will be high quality. The team has won awards for its work on the Salmons Brook and Enfield Chase Restoration Project plus wetlands projects at Wilbury Way, Firs Farm and Albany Park, among others. These parks are now flourishing with wildlife.
Sign the petition showing your support for the river restoration project and the countless benefits it will bring.
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Arnos Park river restoration project
11 Jun 2025 22:47 - 11 Jun 2025 22:48 #7386- PGC Webmaster
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Interesting about the comments about history. Almost no river in UK runs in its original course – they have all been diverted, straightened, turned into ditches and worse. The river would have been more towards the centre of the park - - the actual river valley/natural flood plain, best place for a river to run, really. And comments about history are spurious – I believe when the park was part of a private estate it was landscaped by one of the C17th landscape designers - - Humphrey Repton I believe. So, most landscapes are different depending on which era of history you roll them back to. Originally, the brook was called ‘Marsh Meadow Mead’, which tells you that it was a brook flowing through meadowland and marshes. Lovely image!
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Arnos Park river restoration project
12 Jun 2025 08:38 #7388- Matthew Pierce
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“The river sits ecologically dead” – I disagree on this. I know from my own pond dipping that it contains sticklebacks (a kind of small fish), water slaters, chironomid midges and snails. The sticklebacks provide food for kingfishers and herons. The water is quite heavily polluted however - which limits the range of aquatic wildlife in the river – but this will be equally true of any new river channel.
Arnos Park Preservation Society advocates restoration of the existing channel, which is not all concrete and includes at least two shallower, faster running sections. This would include
i) cutting back trees to let light reach the water and allow water plants to flourish
ii) reshaping the banks and planting with marginal reeds, rushes and wildflowers
iii) most importantly, taking action to reduce sewage pollution.
Wetlands (i.e. reedbeds as in Broomfield Park) can “filter out pollutants” - but only if 1/3 of the reeds are cut and removed each year. The problem is that Enfield Council has never done any such wetlands maintenance. At Pymmes Park wetlands, recent testing I have seen showed water quality worse at the outflow than at the inflow!
“Downstream in Edmonton … there is a flood risk to people’s homes” – this is what the Council says, however the most recent serious Edmonton floods in 2000 at Montagu Road were caused by the Salmon’s Brook overflowing, not Pymmes Brook. Pymmes Brook seems never to have caused any flooding – its highest ever level in 1993 fell 1m short of that. So I think the flood risk argument doesn’t stand up.
“We believe that any scheme delivered by Enfield’s watercourses team will be high quality.” This is arguable at best. The lack of management of existing schemes has resulted in paths being blocked by brambles and wildflower meadows becoming overgrown. At Albany Park the new river channel is being overrun by trees, which block views across it. This is our fear for Arnos Park, where the open views and sightlines are so important for women’s safety and the general ambience and character of the park.
If anyone would like to find out more, or join the campaign against a new river channel in the middle of Arnos Park, please visit Arnos Park Preservation Society
Facebook: www.facebook.com/profile.php?id=61564264892315
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