A Harrogate conservationist has called for signs to be put up urging children and dogs to avoid entering Oak Beck.

Keith Wilkinson described the situation as “desperate” after a series of incidents over the last fortnight have seen the beck turn brown.

The Environment Agency said last week it was “investigating the possible source of the pollution” after receiving “a number of reports of discoloured water”.

But after a brief recovery, the beck was heavily discoloured again today.

Oak Beck in Jennyfields this morning

Mr Wilkinson, who is honorary secretary of Bilton Conservation Group and chairman of the Nidd Gorge Advisory Partnership, said:

“The Oak Beck situation is desperate with daily pollution events for two weeks now — sand and silt from construction work, solids escaping from the open storm drain near The Hydro and a constant stream of what looks like detergent foam from high up near Birk Crag.

“It is totally unacceptable. Signs are needed urgently to warn children and dogs to keep out of the water.”

A newly planted woodland at Long Lands Common has been named after Harrogate conservationist Keith Wilkinson.

Mr Wilkinson founded Bilton Conservation Group and has played a key role in protecting local green belt land.

He was asked to unveil a new woodland sign on Saturday and to his surprise discovered it was named Wilkinson Wood.

The 1.62-hectare site consists of 740 trees that are a mixture of nine native broadleaf trees: sessile oak, English oak, wild cherry, bird cherry, common alder, aspen, field maple, hazel and goat willow.

The honour was bestowed at the third AGM of Long Lands Common, the community-owned woodland near Bilton created on land saved from the threat of a new road.

Keith Wilkinson at Oak Beck

Mr Wilkinson played a major role in that campaign as well as the project to open Nidderdale Greenway to walkers and cyclists. He was awarded an MBE in 2013.

He said:

“I opened my speech with the Greek proverb which says that a society grows great when old men plant trees whose shade they know they shall never sit in. I was then ready to unveil the plaque before continuing with my speech. My jaw dropped when I discovered my name was on it. What a wonderful surprise!

“We’ve also planted over 50,000 trees in Nidd Gorge, and these will all link up together with Wilkinson Wood like a mosaic, with wildlife passing freely down the corridors.

“This is such positive news in a time when wildlife is really struggling on a local and national level. We all need to play our part in helping to support nature, and I commend everyone involved and thank them for all their hard work in creating Wilkinson Wood. I feel very honoured indeed.”

Chris Kitson, secretary of Long Lands Common, introduced Mr Wilkinson to the 100 people looking on as “the man who has done more than anybody else we know to bang the drum for nature and conservation”.

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The AGM also saw Long Lands Common members elect new board members, agree a new organisational structure and formally begin its partnership with Knaresborough Forest Park.

Talking about the partnership, Mr Kitson said:

”It made perfect sense and it was the right thing to do, and completely in line with our objectives as a community benefit society — to protect the green belt and the green spaces between Harrogate and Knaresborough, and preserve them as a space for education and recreation for the people of our towns, now and for the future.”

A leading Harrogate conservationist has said Oak Beck will take three years to recover from this week’s pollution.

Hundreds of fish are believed to have died when the water turned brown over the weekend. The cause is unknown.

Keith Wilkinson has called on Yorkshire Water and the Environment Agency to join efforts to prevent further pollutions in the beck, which he said occur too frequently.

He said:

“Pollution events along the Oak Beck — which is classed as a ‘main river’ by the Environment Agency — destroy wildlife and have implications for public health.

“As chairman of the Nidd Gorge Advisory Partnership I would like to invite representatives from the EA and Yorkshire Water to join the partnership and coordinate efforts to eliminate illegal discharges along the Oak Beck and the River Nidd.

“One toxic spill such as that experienced on 10th September sets back all our conservation efforts for at least three years.”

Oak Beck looking discoloured.

Read more:

• Hundreds of fish killed by pollution on Harrogate’s Oak Beck
• Meeting called to hear concerns about state of River Nidd

Oak Beck rises at Haverah Park and empties into the River Nidd at Nidd Gorge.

Dead fish were first spotted in the watercourse at Oak Beck retail park this morning.

The discolouration appears to have affected the stretch from the Hydro to the far side of Knox Lane.

The Stray Ferret met Mr Wilkinson, who is also honorary secretary of Bilton Conservation Group, at Spruisty Bridge on Knox Lane today.

A dead brown trout in Oak Beck today.

Several residents told us they were concerned about the pollution and how seriously it was being investigated.

One person said dog walkers had been keeping their pets on leads to prevent them entering the water. There have also been reports of dead ducks but none were evident during our visit.

Harmful discharges

Mr Wilkinson said a good year for spawning fish on the beck had been ruined.

He said water quality often suffered from the impact of the number of new homes built, as well as harmful discharges entering the drains.

The beck contains brown trout up to several inches long, as well as minnows, bullhead, stone loach and sticklebacks.

Mr Wilkinson said invertebrates on the bed of the beck were also killed and their numbers needed to recover before fish levels could return to normal.

He added that kingfishers and otters had kept away from the river since the incident.

An Environment Agency spokeswoman said yesterday she was unable to comment on what, if any, action it had taken because it was not responding to media inquiries about non life-threatening incidents during the Queen’s mourning period.

A Yorkshire Water spokesperson said yesterday:

“Our teams, along with the Environment Agency, have conducted initial investigations after reports of a pollution at Oak Beck over the weekend.

“Our tests have indicated the substance entering the beck is not sewage. We are continuing to investigate and will also be visiting local businesses to try and trace the source.”

Over 2,000 trees have been planted on the edge of Nidd Gorge to form a new woodland for people to enjoy.

Bilton Conservation Group was helped by employees from Belzona Polymerics as well as members of Knox Valley Residents’ Association and the Scout movement to plant the trees at Bilton Fields during February.

Sixteen native broadleaf species were planted, including a specimen of the rare wild service tree.

The woodland is sponsored and paid for by the Society of the Holy Child Jesus, a Catholic congregation of women that was founded in 1846.

Scout volunteers planting a tree

Four nuns, representing the order, came from Oxford and France to help on the second day.

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• Bilton and Woodfield Community Library closed due to flooding
• Dramatic photos show firefighters saving Bilton tree in storm

Bilton Conservation Group has planted over 20,000 trees in Bilton Fields since 1985.

Keith Wilkinson, of Bilton Conservation Group, said:

“We had hoped to plant them last year but the weather and covid got in the way.

“Fringed with blossom species such as wild cherry, crab apple, dog rose, hawthorn, blackthorn and rowan it will be magnificent in years to come, providing food and shelter for birds, butterflies and bees. It will look fantastic.”