Gbplaces.com has listed approx 496 Sewage treatment plants in United Kingdom. Some of the Top rated Sewage treatment plants in United Kingdom are- Pen Mill Sewage Treatment Works, CESS Group Ltd, Omagh WwTW, EGL Puracite Ltd, Howdon STW- 935.49, Waste Water Treatment Works, EGL Puracite Ltd, Preston WwTW, Farnham Sewage Treatment Works & Viltra Wastewater Technology.