About 300 bathtubs of concrete is being discharged into sewers each year, Thames Water says.
Fulham Reach Boat Club recorded levels more than 60 times the threshold for suitable bathing water.
Village residents criticise Thames Water after saying they have been left without water for 48 hours.
Thames Water wants to swap millions of litres of river water with wastewater during dry weather.
The environment secretary says the deal does not do enough for consumers or the environment.
Thames Water's lenders have submitted a new rescue plan to save the firm, but how did it end up in this state?
Carmela Donovan, who is classed as vulnerable, says she is losing sleep due to the stress.
Monica Harding MP says that last week's heavy rain caused flooding in parts of Thames Ditton.
The Environment Agency is assessing the impact of water run off following a fire at the Daler-Rowney factory.
