Ofwat extends sewage dumping inquiry to include South West Water

Regulator expands investigation after suggestions water firm was not complying with legal obligations

The regulator Ofwat has expanded its investigation into the dumping of raw sewage to include South West Water after finding shocking" failures in the way the majority of water companies run their waste treatment works.

Ofwat said on Tuesday it had extended its inquiry after heightened concerns about South West Water's environmental performance and suggestions it was not complying with its legal obligations.