But the source of Caister-on-Sea's notorious pong remains elusive after it returned with a vengeance in recent months.

Anglian Water (AW) engineers have insisted its sewage treatment plant - which has been blamed for the problem - is operating within safe limits for odours following multi-million-pound improvements.

The water firm has invested huge sums into improving the Caister waste recycling centre, which serves thousands of homes in the area, as part of a £5.9m scheme to boost the sewage network in the Yarmouth borough.

The Anglian Water sewage treatment works in Caister

The facility processes sewage from properties in Great Yarmouth, as well as the northern villages like Ormesby, Hemsby and Scratby.

READ MORE: Caister pong sparks complaints

Five years ago, the situation became intolerable for some villagers, who made records in 'stench diaries' and were forced to keep windows and doors shut.

It even led Great Yarmouth Borough Council (GYBC) to issue an enforcement notice to Anglian Water, after officers declared it a "statutory nuisance" to villagers.

Great Yarmouth Borough Council has previously issued an enforcement notice due to the smells emanating from the Caister sewage treatment site

New odour-suppressing filters and........

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