Written Question·Department for Environment, Food and Rural Affairs·UIN 104954

Roads: Sewers

Tabled: 12 January 2026

Answered: 15 January 2026

Named Day

Question

Sarah Dyke

Liberal Democrat — Glastonbury and Somerton

To ask the Secretary of State for Environment, Food and Rural Affairs, what assessment the Environment Agency has made of the impact of historic highway drainage systems on downstream flooding and water pollution.

Answer

Emma Hardy

Environment Agency (EA) water quality monitoring programmes identify where ‘urban and transport’ inputs are having a potential impact on a waterbody. Water quality monitoring data is publicly available here: Water Data Explorer | Engage Environment Agency...

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