Written Question·Department for Environment, Food and Rural Affairs·UIN 63419

Rivers: Sewage

Tabled: 27 June 2025

Answered: 7 July 2025

Question

Victoria Collins

Liberal Democrat — Harpenden and Berkhamsted

To ask the Secretary of State for Environment, Food and Rural Affairs, what assessment his Department has made of the potential impact of excess sewage sludge on river pollution in (a) Harpenden and Berkhamsted constituency and (b) Hertfordshire.

Answer

Emma Hardy

Sewage sludge is a by-product of the wastewater treatment process which can be spread on fields as a fertiliser. Sludge (Use in Agriculture) Regulations 1989 (SUiAR) supported by the Sewage Sludge Code of Practice provide environmental and health protecti...

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