Yorkshire Water admits sewage overflow reduction scheme has underperformed

Yorkshire Water has acknowledged that a scheme designed to reduce discharges from storm overflows has not performed as well as the company had expected.

What the scheme aimed to do

Storm overflows are designed to release excess sewage and rainwater into rivers and other waterways during periods of heavy rain, to prevent sewer systems from backing up into homes and streets. Water companies across England have faced increasing scrutiny over how often these overflows are used and the volume of untreated or partially treated sewage they discharge into waterways.

Yorkshire Water's scheme was intended to reduce the frequency or volume of these discharges, though the company has now said the results achieved so far fall short of the scheme's original goals.

Wider context

Water companies in England have come under sustained public and regulatory pressure in recent years over sewage discharges into rivers and coastal waters, with environmental campaigners and regulators pushing for greater transparency and investment in infrastructure upgrades.

The admission from Yorkshire Water adds to a broader pattern in which several water companies have faced criticism over the pace and effectiveness of efforts to curb storm overflow discharges.

What happens next

It was not immediately clear from available information what specific steps Yorkshire Water plans to take to address the shortfall, or whether regulators will take further action in response to the scheme's underperformance.