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Why is the sea bluer in Cornwall?

Hannah continues: “The clarity and turquoise colour in west Cornwall compared to say the North Sea or Bristol Channel is also because of the heavy sand particles which sit on the seabed, and lack of sediment swirling around in the water column.”



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Hannah continues: “The clarity and turquoise colour in west Cornwall compared to say the North Sea or Bristol Channel is also because of the heavy sand particles which sit on the seabed, and lack of sediment swirling around in the water column.”

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Clear blue waters for cooling off in the Cornish summer Carbis Bay is blessed with its own unique microclimate and some of the cleanest, clearest waters in the UK.

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Clear blue waters for cooling off in the Cornish summer Carbis Bay is blessed with its own unique microclimate and some of the cleanest, clearest waters in the UK.

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Durdle Door, Dorset It's a steep downhill path but the result is breathtaking. Dip your toes in the crystal clear waters and watch the world go by. There are no lifeguards so do take care if you're looking to swim.

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Cornwall, unitary authority and historic county, southwestern England, occupying a peninsula jutting into the Atlantic Ocean.

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Generally the water quality is good in Cornwall. After periods of high rainfall, seawater can become contaminated with farmland or urban runoff. There is also the risk of sewage overflows releasing raw, untreated human waste into the ocean.

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Cornwall - Pedn Vounder Beach For our number 1 favourite secret beach, it's Pedn Vounder. So secret that at certain times its hidden beneath the shallow and clear azure waters. Beyond Penzance and only 4 miles from Landsend, Cornwall's secret beach is the found in almost the most south westerly point of England.

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St Mary's bay in Kent often tops the list of the most polluted beach in England. At the start of 2023, there were concerns the beach may have to shut for the whole year, due to high levels of faecal matter. Communities around polluted beaches are coming together to call for action on sewage pollution.

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