Visitors to the Lake District are being urged to steer clear of a well-liked magnificence spot as a result of presence of algae that might be fatally poisonous to canines.

Blooms of the toxic blue-green algae had been discovered within the water at Thirlmere reservoir. It prompted the Environment Agency to take samples of the Cumbria web site on July 14, studies The Mirror.

The algae got here to the EA's consideration after guests reported among the water wanting like "green paint".

Dog walker Rose Gare-Simmons mentioned Labrador retriever Blisco needed to be taken to the vet after he went into the water. The paddle resulted within the pooch needing injections to induce vomiting. 

Ms Gare-Simmons, from Morecambe, mentioned it was a extremely scorching day and he or she had been frightened her pet would endure heatstroke after a protracted stroll at Raven Crag. She then determined to take him to Thirlmere to chill off, however he ran off forward and he or she overlooked him as a result of the world was so overgrown.

She mentioned: "Blisco had run ahead and I caught up with him in the water less than a minute later. I saw the state of the water, it was so green and thick it looked like paint.

"I panicked and received him out and took him to a clearer little bit of water to clean him. I heard that algae can kill canines inside an hour as it's so toxic so I rang the vet and we had been within the automobile inside seconds."

Blue-green algae occurs naturally in bodies of freshwater, but some kinds can be toxic to humans and lethal to animals.

When the algae blooms, the water becomes less clear and may look green, blue-green or greenish-brown.

Scums can form during calm weather when several bloom-forming species rise to the surface. This can look like paint, mousse or small clumps.

An Environment Agency spokesman said: "Cyanobacteria or 'blue-green algae', a kind of blooming algae, can produce toxins.

"These toxins can kill wild animals, livestock and pets. They can also harm people, producing rashes after skin contact and illnesses if swallowed.

"We have knowledgeable the landowners and different statutory our bodies in order that motion could be taken to place up indicators to alert the general public."

Zoologist Matt Staniek previously warned "folks's well being is being put in danger" after blooms were reported in Windermere in 2022.

Mr Staniek, who last month led a campaign against the discharge of sewage into the lake, claimed phosphate, coming from United Utilities' owned sites, was feeding the blooms.

Environment Agency bosses said they had spent hundreds of thousands of pounds in the past decade to help tackle the problem.

United Utilities said it recognised there were concerns and it was committed to "enjoying its half" in minimising its influence to Windermere.