sewerage

It also does not separate out support for customers who get water and sewerage from different companies.

Based on an average annual water and sewerage bill of £440, this would be around 10% of the average annual customer bill, with several higher payments worth at least a quarter.

Water UK, the industry body for sewerage companies, said this was "unacceptable", but argued that the record levels were due to heavy rain and increased data collection.

Water UK, the industry body for sewerage companies, said it was "unacceptable" but the record levels were due to heavy rain.

Water UK, the industry body for sewerage companies, said it was "unacceptable", but that the record levels were due to heavy rain and increased data collection.