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Sewers: Fats

Volume 488: debated on Monday 23 February 2009

To ask the Secretary of State for Environment, Food and Rural Affairs what estimate he has made of the percentage of sewer blockages caused by cooking oils, fats and greases in each water company area in each of the last five years. (256660)

My Department does not collect information on the causes of sewer blockages.

However, Water UK, the representative body for the water industry, estimates that there are on average around 200,000 sewer blockages in England and Wales each year, of which fats, oils and greases are responsible for up to 75 per cent.