Thames Water, a private utility company in charge of London's water supply and waste water, says it removes more than 25,000 tonnes of debris from their sewage system every year.
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With considerable effort from policymakers, the river's fate began to change. From 1976, all sewage entering the Thames was treated, and legislation between 1961 and 1995 helped to raise water quality standards.
With considerable effort from policymakers, the river's fate began to change. From 1976, all sewage entering the Thames was treated, and legislation between 1961 and 1995 helped to raise water quality standards.
The Thames is considered to be the cleanest river in the world that flows through a major city. The Thames is home to 125 species of fish and more than 400 invertebrates. This is in spite of the fact that raw sewage is routinely pumped into the river during heavy rains.
The river Thames in London was so starved of oxygen in August 2022, due to sewage and hot weather, that it was effectively on life support, New Scientist can reveal. A specialised boat was used to directly inject the gas into the water for 11 days that month to prevent plants and fish dying.
Fish in the ThamesThere is an incredible 125 species of fish that have been found living amongst the animals in the Thames, and this includes species of conservation and commercial importance.
In a people-powered study of pollutant levels in UK freshwater sites, the River Dart was the only one, out of 48, to pass all five parameters. The river runs 75km from Dartmoor and into the sea at Dartmouth.