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Cambrian North basin, Llanelli (Light case study)


Cambrian North Basin and its associated landscape features has transformed 3,600 m2 of an unused historic landfill site into a landscaped area with amenity value. The purpose of the 2,100 m2 basin is to attenuate 1 ha of newly separated highway, private car park and roof drainage to reduce peak flows in the combined sewer. It is part of a wider £8m project aiming to reduce Combined Sewer Overflow (CSO) pollution events to Shellfish Waters at Cambrian Sewage Pumping Station (SPS) from 52 to 10 per year to meet National Environment Programme (NEP) targets. The Cambrian North Basin will contribute by reducing CSO pollution events by five per year.

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