Data from 40 sites between Kingston, in South West London, and the estuary suggests storm overflows managed by Thames Water are discharging untreated raw sewage into the river system, experts said.
James Wallace, head of campaign group River Action, said: "Nearly all our rivers have been polluted by water companies which, since privatisation over 30 years ago when all their debt was wiped, have adopted vulture-like business models.
"This has led to money from honest water bill payers ending up lining the pockets of investors with multi-billion pound dividends and interest from debt.
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Denne historien er fra March 20, 2024-utgaven av Daily Express.
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'Sir Jim has only been negative for United'
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TIME TO TEST METTLE
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60% dismiss signs of dementia as old age
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Early coffee helps fight off fatal heart attacks
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Raging Norrie so sorry as his racket hits spectator
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Far-Right unifier Le Pen dead at 96
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Veteran's plea to reunite heroes for 80th anniversary
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Abuse was played down by politically correct cowards
'Young white women were seen as fair game for predation’