Concrete Repairs and Waterproofing of the Sewage Treatment Tanks Background Wessex Water operates just over 400 Sewage Treatment Works (STWs) across Somerset, Wiltshire, Bristol, Gloucestershire and Dorset. Combined, these STWs treat 480 million litres of sewage from 2.8 million customers every day. One of the STWs is Poole Sewage Treatment works which treats incoming sewage… Read more
