Rare moth discovery forces water company to reroute pipeline

A £6m sewer pipeline has been rerouted and an ecological clerk of works appointed after a rare moth was discovered during survey works.

Anglian Water started building its 2.2km sewer pipeline in Norfolk alongside the A148/A47 last month, as part of plans to improve the resilience of the sewer network in the area, the company said in a statement. 

But during survey work in Kings Lynn, ecologists discovered the commophila aeneana moth, known as the orange conch, was present at a location along the route. The orange conch was  thought to be extinct in Norfolk. 

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