Written question asked by Tim Farron (Liberal Democrat) on Monday, 7 September 2026, in the House of Commons. It was due for an answer on Wednesday, 9 September 2026. It was answered by Emma Hardy (Labour) on Thursday, 17 September 2026 on behalf of the Department for Environment, Food and Rural Affairs.

Water Companies: Standards

Question: To ask the Secretary of State for Environment, Food and Rural Affairs, what metrics her Department and Ofwat use to assess whether a water company has failed to meet its statutory obligations under the Water Industry Act 1991.

Answer: Water companies' principal statutory duties are set out in the Water Industry Act 1991. Under section 37 of the Water Industry Act 1991 a water company has the duty to ensure the supply of water within its area of appointment and to develop and maintain an efficient and economical supply system for that purpose. In addition, under section 94 of the Water Industry Act 1991, a water company that also holds a sewerage appointment has the duty to effectually deal with the contents of sewers and provide the necessary infrastructure for that purpose.

Secondary information

Type: Written question
Reference: 27411
Session: 2026-27
Subjects: Department for Environment, Food and Rural Affairs Ofwat Standards Water companies
Legislation: Water Industry Act 1991
Link: View this Written question on www.parliament.uk