Thames Water

The Environment Agency said up to 30 million litres of sewage were released from the Maidenhead Sewage Treatment plant

The regulator said there is a ‘significant gap’ between its view of efficient costs and the revised proposals of Anglian Water, SES Water, Thames Water and Yorkshire Water

The water company has struggled with falling profits, leaks and increasing customer complaints

It is thought to be at least 100 metres long and the biggest blockage Thames Water has ever seen

Human skeletons were found as the water company was preparing to lay new pipes in Oxfordshire

The free calculator makes predictions based on responses to questions about how much water people use in their homes and gardens

The programme is expected to save the equivalent of 172 Olympic swimming pools of water a day

Hundreds of thousands of litres are lost every day – and everything stolen is classed as leakage

Thames Water will provide a one-off payment of 5p per litre per day of water saved for each of their customers

The money is being given to environmental charity South East Rivers Trust to make improvements to the River Shuttle