Brits have been hit with major warnings against going into the sea at 25 popular UK beaches and waterfronts.
The warnings have been issued by campaign group Surfers Against Sewage, which has highlighted areas around the coastline of Wales that are currently battling pollution caused by storm sewage.
In some parts, water quality is so poor that locals and tourists alike are being urged to think twice before taking a dip.
The list of locations affected includes popular seaside destinations such as Colwyn Bay, Llyn Padarn, Criccieth, New Quay, Llangrannog, Cilborth, Newport, Nolton Haven, Little Haven and more.
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The bad news doesn't stop there, however, with poor water notifications also extended to Broadhaven, Dale, West Angle, Barafundle, Manorbier, Tenby, Saundersfoot, Pembrey, Swansea and Ogmore, reports the Mirror.
Charity officials have defined sewage pollution as "everything we flush down the loo or wash down the drain that is released into the environment through sewer overflows, or that washes off the land and roads."
Surfers Against Sewage have issued warnings on their website, including one for Broadhaven Beach.
The charity notes: "Broadhaven sits at the southern end of St Brides Bay and is a long sandy beach backed by high cliffs and the rural town of Broad Haven. A sewer overflow discharges into a small stream in the centre of the beach which may affect water quality."
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The River Tawe is another spot highlighted by the charity, affecting local fishermen and families who frequent it for swimming, as well as other visitors.
Surfers Against Sewage warn: "The River Tawe is popular with anglers are there are pools on the river in most villages where swimming takes place in the summer months. When the CSO is discharging it adversely affects anglers, swimmers, and other members of the community who enjoy the Tawe."
In places like Ogmore-on-Sea, the beaches have received a poor water classification. The group says: "Bathing not advised due to Poor annual classification.
"A popular sand and pebble beach at the mouth of the River Ogmore. The two-mile-long beach is popular with families, surfers and canoeists. In 2023, the beach was classified as poor, so bathing is not advised."
In a bid to protect public health, red flags were erected at Wells-next-the-Sea in Norfolk on Wednesday, after concerns about raised levels of bacteria prompted warnings against swimming in the sea at the popular British beach.
Sewage pollution in Britain's beaches was a hot topic last year with 63 identified as being contaminated with sewage.
The Environment Agency is currently providing guidance to North Norfolk District Council, which has stressed that the issue is "different from a controlled spillage overflow alert".
The organisation explained: "These forecasts are based on rainfall, wind and tidal patterns and alert people when water quality may be poor."
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