River Thames
River in England
The River Thames, known alternatively in parts as the River Isis, is a river that flows through southern England including London. At 215 miles, it is the longest river entirely in England and the second-longest in the United Kingdom, after the... Wikipedia
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The River Thames known alternatively in parts as the River Isis, is a river that flows through southern England including London. At 215 miles (346 km), ...
As the Thames is tidal, its waters are 'brackish' – a mixture of fresh and saltwater. Drinking untreated Thames river water is unsafe, although historically it ...