21. In 1900 the Malden & Coombe Borough Council built a sewage works at Malden, near Surbiton. 22. In 1912 the North Surrey Joint Sewage Board built a new sewage works at Berrylands in Surbiton. 23. As early as 1931, the Hogsmill Valley Joint Sewage Board proposed construction of a third sewage works . 24. Altcar and Hillhouse was situated on the south side of the B5195 road, near the sewage works . 25. Artificial islands in salt pans and sewage works have also recently been colonised by this adaptable seabird. 26. The area is notable for Davyhulme Sewage Works , one of the largest wastewater treatment plants in Europe. 27. When you investigate a waterborne disease outbreak, you have to understand how water systems and sewage work . 28. Wildevo�lvlei sewage works were opened in 1977 29. In the United States, waste pumped from passenger aircraft is usually treated in municipal sewage works , Sobsey says. 30. Had the Morley sewage works not come available it is unlikely such a centre would be in Leeds.