Written questions

Water Treatment: Per- and Polyfluorinated Alkyl Substances

Commons · Question 99305 · Tabled 11 Dec 2025 · Department for Environment, Food and Rural Affairs · Official record

Answered 17 Dec 2025

Question

Asked by James MacCleary

To ask the Secretary of State for Environment, Food and Rural Affairs, what information her Department holds on whether levels of PFAS in sewage biosolids from wastewater plants are being investigated in Phase 4 of the Chemical Investigations Programme.

Answer

Answered by Emma Hardy, 17 Dec 2025

Sewage sludge is the by-product of the wastewater treatment which can applied to agricultural land as a fertiliser. Whilst this practice supports the circular economy, the Government recognises that sludge spreading is not without risk. To better understa...