Written Question·Department for Environment, Food and Rural Affairs·UIN HL1526
Sewers: Housing and Schools
Tabled: 1 July 2026
Answered: 10 July 2026
Question
To ask His Majesty's Government what estimate they have made of the number of misconnections to the sewerage system for (1) homes, and (2) schools.
Answer
In 2019 around 150,000 to 500,000 homes in the UK were estimated to have drain misconnections. Defra does not have numbers of misconnections for schools. Property owners are legally responsible for resolving misconnected pipework on their property; public...
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