Gbplaces.com has listed approx 496 Sewage treatment plants in United Kingdom. Some of the Top rated Sewage treatment plants in United Kingdom are- Ray Owen Waste Disposal, Johnston WWTW, Didcot Sewage Treatment, Llansteffan WWTW, Drain & Sewer Control, Yorkshire water, Monkmoor Sewage Works, Roundhill Sewage Treatment Works, Longbridge Sewage Treatment Works & Ballycastle WwTW.