Kempton Park Waterworks Snakey Lane Hanworth TW13 6XH Home - Kempton Steam MuseumKempton Steam Museum is the home of world's largest working triple-expansion steam engine which pumped London's water between 1929 & 1980.HISTORY TALK: HANWORTH ROAD PUMPING STATION Join us for a talk on Sunday 8th October about Sunbury’s lost waterworks at Hanworth Road BOOK TICKETS VOLUNTEER WITH US We’re looking for tour guides, engine operators, front of house & refreshment volunteers http://www.kemptonsteam.org/