WITH the weather getting warmer, many people will be tempted to swim in a river, lake, or sea. 

Wild swimming has many health benefits, but there can also be risks. 

Luckily Kailpot Crag, Ullswater, Cumbria, has been listed among the best in the UK by British media company Time Out. 

Experts say that there are checks that should be considered before taking the plunge into open waters. 

This has been highlighted at the Paris Olympics as the Men's Triathlon was delayed due to pollution in the River Seine.

Dominic Johnson, owner of Wild Swimming Tests, said: "The best way to find out if the water quality is good enough to swim in is through local knowledge. 

"Some lakes have companies running the open water swimming venue and they will take care of safety. 

"Alternatively, if there are rangers present you can ask them."

READ MORE: PFCC David Allen promotes water safety in Cumbria

Kate Rew, founder of The Outdoor Swimming Society, recommends keeping an eye out for noticeboards nearby. 

She said: "Most beaches (and an increasing number of inland spots) have noticeboards at their entrances warning of local hazards and also give guidance. Read them.

She added: "Look for things like floating pollutants, blue-green algal blooms on the surface, or an oily sheen on the water. 

"If it looks iffy and unappealing, consider going somewhere else or waiting for another day."

According to the Environment Agency, illnesses including skin rashes, eye irritation, vomiting, diarrhoea, fever and muscle and joint pain have occurred in people who’ve swallowed or swam through algal scum.

The Environment Agency tests water samples from designated bathing sites across England and then uploads the results onto Swimfo.

Dane Westwood, water quality and sewer specialist at RS Bonds, said: "Water quality in the UK is determined based on the amount of bacteria present in each bathing area.

READ MORE: New partnership formed to enhance water safety in Cumbria

"The Environment Agency collaborates with the Met Office to predict pollution risks, taking into account factors like weather conditions that might temporarily degrade water quality.

“When forecasts indicate reduced water quality, pollution risk warnings are issued, and advice against swimming is displayed on Swimfo and signs at the beach."

Popular wild swimming spots are classified as either excellent, good, sufficient, or poor which helps the public make informed decisions about where to swim.