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Fatberg problem - Don't just throw it down the drain

This is what happens when fat is not disposed of properly

The water supplier Thames Water says it has finally found out why Oxford has such a big problem with 'fatbergs'.

When collating the results of a recent survey the firm found that around 80 percent of the city's restaurants were not using fat traps to stop oil and grease spilling into Oxford's sewers. Therefore, the fat collects in the sewer and drains below the city streets and creates the huge, solid deposits, otherwise known as fatbergs.

Earlier this year, a 20 tonne blockage was removed from one drain in the city centre. Kate Bunkall's report explains what happened. The interviewee is Alex Saunders from Thames Water.

Restaurant staff causing "fatbergs" plague

Lumps of hard, congealed fat can cause blockages in the sewer system Credit: PA

Restaurant staff in Oxford are causing a plague of "fatbergs" according to Thames Water.

The water company say 95% of food outlets in the city don't dispose of oil, fat and grease correctly. They are pouring it down the sink, causing more than twenty tonnes of waste to end up in Park End Street sewer each year.

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